Merge branch 'baseline' into refs/top-bases/tschwinge/Roger_Whittaker

1 files changed, 1279 insertions, 592 deletions

diff --git a/math/libm-test.inc b/math/libm-test.inc
index 6ac3cd2d0b..0ea456bb94 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -224,7 +224,7 @@ static int output_points;	/* Should the single function results printed?  */
 static int ignore_max_ulp;	/* Should we ignore max_ulp?  */
 
 static FLOAT minus_zero, plus_zero;
-static FLOAT plus_infty, minus_infty, nan_value, max_value, min_value;
+static FLOAT plus_infty, minus_infty, qnan_value, max_value, min_value;
 static FLOAT min_subnorm_value;
 
 static FLOAT max_error, real_max_error, imag_max_error;
@@ -361,7 +361,7 @@ print_complex_function_ulps (const char *function_name, FLOAT real_ulp,
 static void
 fpstack_test (const char *test_name)
 {
-#ifdef i386
+#if defined (__i386__) || defined (__x86_64__)
   static int old_stack;
   int sw;
 
@@ -805,15 +805,15 @@ acos_test (void)
 
   START (acos);
 
-  TEST_f_f (acos, plus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (acos, minus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (acos, nan_value, nan_value);
+  TEST_f_f (acos, plus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (acos, minus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (acos, qnan_value, qnan_value);
 
   /* |x| > 1: */
-  TEST_f_f (acos, 1.125L, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (acos, -1.125L, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (acos, max_value, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (acos, -max_value, nan_value, INVALID_EXCEPTION);
+  TEST_f_f (acos, 1.125L, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (acos, -1.125L, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (acos, max_value, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (acos, -max_value, qnan_value, INVALID_EXCEPTION);
 
   TEST_f_f (acos, 0, M_PI_2l);
   TEST_f_f (acos, minus_zero, M_PI_2l);
@@ -971,11 +971,12 @@ acosh_test (void)
   START (acosh);
 
   TEST_f_f (acosh, plus_infty, plus_infty);
-  TEST_f_f (acosh, minus_infty, nan_value, INVALID_EXCEPTION);
+  TEST_f_f (acosh, minus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (acosh, qnan_value, qnan_value);
 
   /* x < 1:  */
-  TEST_f_f (acosh, -1.125L, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (acosh, -max_value, nan_value, INVALID_EXCEPTION);
+  TEST_f_f (acosh, -1.125L, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (acosh, -max_value, qnan_value, INVALID_EXCEPTION);
 
   TEST_f_f (acosh, 1, 0);
   TEST_f_f (acosh, 7, 2.63391579384963341725009269461593689L);
@@ -994,15 +995,15 @@ asin_test (void)
 
   START (asin);
 
-  TEST_f_f (asin, plus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (asin, minus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (asin, nan_value, nan_value);
+  TEST_f_f (asin, plus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (asin, minus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (asin, qnan_value, qnan_value);
 
-  /* asin x == NaN plus invalid exception for |x| > 1.  */
-  TEST_f_f (asin, 1.125L, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (asin, -1.125L, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (asin, max_value, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (asin, -max_value, nan_value, INVALID_EXCEPTION);
+  /* asin x == qNaN plus invalid exception for |x| > 1.  */
+  TEST_f_f (asin, 1.125L, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (asin, -1.125L, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (asin, max_value, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (asin, -max_value, qnan_value, INVALID_EXCEPTION);
 
   TEST_f_f (asin, 0, 0);
   TEST_f_f (asin, minus_zero, minus_zero);
@@ -1164,7 +1165,7 @@ asinh_test (void)
   TEST_f_f (asinh, plus_infty, plus_infty);
   TEST_f_f (asinh, minus_infty, minus_infty);
 #endif
-  TEST_f_f (asinh, nan_value, nan_value);
+  TEST_f_f (asinh, qnan_value, qnan_value);
   TEST_f_f (asinh, 0.75L, 0.693147180559945309417232121458176568L);
 
   END (asinh);
@@ -1186,7 +1187,7 @@ atan_test (void)
 
   TEST_f_f (atan, plus_infty, M_PI_2l);
   TEST_f_f (atan, minus_infty, -M_PI_2l);
-  TEST_f_f (atan, nan_value, nan_value);
+  TEST_f_f (atan, qnan_value, qnan_value);
   TEST_f_f (atan, max_value, M_PI_2l);
   TEST_f_f (atan, -max_value, -M_PI_2l);
 
@@ -1225,13 +1226,13 @@ atanh_test (void)
 
   TEST_f_f (atanh, 1, plus_infty, DIVIDE_BY_ZERO_EXCEPTION);
   TEST_f_f (atanh, -1, minus_infty, DIVIDE_BY_ZERO_EXCEPTION);
-  TEST_f_f (atanh, nan_value, nan_value);
+  TEST_f_f (atanh, qnan_value, qnan_value);
 
-  /* atanh (x) == NaN plus invalid exception if |x| > 1.  */
-  TEST_f_f (atanh, 1.125L, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (atanh, -1.125L, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (atanh, max_value, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (atanh, -max_value, nan_value, INVALID_EXCEPTION);
+  /* atanh (x) == qNaN plus invalid exception if |x| > 1.  */
+  TEST_f_f (atanh, 1.125L, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (atanh, -1.125L, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (atanh, max_value, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (atanh, -max_value, qnan_value, INVALID_EXCEPTION);
 
   TEST_f_f (atanh, 0.75L, 0.972955074527656652552676371721589865L);
 
@@ -1301,7 +1302,7 @@ atan2_test (void)
   TEST_ff_f (atan2, minus_infty, plus_infty, -M_PI_4l);
   TEST_ff_f (atan2, plus_infty, minus_infty, M_PI_34l);
   TEST_ff_f (atan2, minus_infty, minus_infty, -M_PI_34l);
-  TEST_ff_f (atan2, nan_value, nan_value, nan_value);
+  TEST_ff_f (atan2, qnan_value, qnan_value, qnan_value);
 
   TEST_ff_f (atan2, max_value, max_value, M_PI_4l);
 
@@ -1341,10 +1342,10 @@ cabs_test (void)
   /* cabs (-inf + i x) == +inf.  */
   TEST_c_f (cabs, minus_infty, 1.0, plus_infty);
 
-  TEST_c_f (cabs, minus_infty, nan_value, plus_infty);
-  TEST_c_f (cabs, minus_infty, nan_value, plus_infty);
+  TEST_c_f (cabs, minus_infty, qnan_value, plus_infty);
+  TEST_c_f (cabs, minus_infty, qnan_value, plus_infty);
 
-  TEST_c_f (cabs, nan_value, nan_value, nan_value);
+  TEST_c_f (cabs, qnan_value, qnan_value, qnan_value);
 
   /* cabs (x,y) == cabs (y,x).  */
   TEST_c_f (cabs, 0.75L, 12.390625L, 12.4133028598606664302388810868156657L);
@@ -1410,22 +1411,22 @@ cacos_test (void)
   TEST_c_c (cacos, plus_infty, 0.5, 0.0, minus_infty);
   TEST_c_c (cacos, plus_infty, -0.5, 0.0, plus_infty);
 
-  TEST_c_c (cacos, plus_infty, nan_value, nan_value, plus_infty, IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (cacos, minus_infty, nan_value, nan_value, plus_infty, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (cacos, plus_infty, qnan_value, qnan_value, plus_infty, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (cacos, minus_infty, qnan_value, qnan_value, plus_infty, IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (cacos, 0, nan_value, M_PI_2l, nan_value);
-  TEST_c_c (cacos, minus_zero, nan_value, M_PI_2l, nan_value);
+  TEST_c_c (cacos, 0, qnan_value, M_PI_2l, qnan_value);
+  TEST_c_c (cacos, minus_zero, qnan_value, M_PI_2l, qnan_value);
 
-  TEST_c_c (cacos, nan_value, plus_infty, nan_value, minus_infty);
-  TEST_c_c (cacos, nan_value, minus_infty, nan_value, plus_infty);
+  TEST_c_c (cacos, qnan_value, plus_infty, qnan_value, minus_infty);
+  TEST_c_c (cacos, qnan_value, minus_infty, qnan_value, plus_infty);
 
-  TEST_c_c (cacos, 10.5, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (cacos, -10.5, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (cacos, 10.5, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (cacos, -10.5, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (cacos, nan_value, 0.75, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (cacos, nan_value, -0.75, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (cacos, qnan_value, 0.75, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (cacos, qnan_value, -0.75, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (cacos, nan_value, nan_value, nan_value, nan_value);
+  TEST_c_c (cacos, qnan_value, qnan_value, qnan_value, qnan_value);
 
   TEST_c_c (cacos, plus_zero, -1.5L, M_PI_2l, 1.194763217287109304111930828519090523536L);
   TEST_c_c (cacos, minus_zero, -1.5L, M_PI_2l, 1.194763217287109304111930828519090523536L);
@@ -1519,6 +1520,222 @@ cacos_test (void)
   TEST_c_c (cacos, -1.5L, -0x1.fp-16385L, 3.141592653589793238462643383279502884197L, 9.624236501192068949955178268487368462704e-1L);
 #endif
 
+  TEST_c_c (cacos, 0.5L, 1.0L, 1.221357263937683325603909865564381489366L, -9.261330313501824245501244453057873152694e-1L);
+  TEST_c_c (cacos, 0.5L, -1.0L, 1.221357263937683325603909865564381489366L, 9.261330313501824245501244453057873152694e-1L);
+  TEST_c_c (cacos, -0.5L, 1.0L, 1.920235389652109912858733517715121394831L, -9.261330313501824245501244453057873152694e-1L);
+  TEST_c_c (cacos, -0.5L, -1.0L, 1.920235389652109912858733517715121394831L, 9.261330313501824245501244453057873152694e-1L);
+  TEST_c_c (cacos, 1.0L, 0.5L, 6.748888455860063801646649673121744318756e-1L, -7.328576759736452608886724437653071523305e-1L);
+  TEST_c_c (cacos, -1.0L, 0.5L, 2.466703808003786858297978415967328452322L, -7.328576759736452608886724437653071523305e-1L);
+  TEST_c_c (cacos, 1.0L, -0.5L, 6.748888455860063801646649673121744318756e-1L, 7.328576759736452608886724437653071523305e-1L);
+  TEST_c_c (cacos, -1.0L, -0.5L, 2.466703808003786858297978415967328452322L, 7.328576759736452608886724437653071523305e-1L);
+  TEST_c_c (cacos, 0.25L, 1.0L, 1.394493894017929688812643125003661339452L, -8.924633639033482359562124741744951972772e-1L);
+  TEST_c_c (cacos, 0.25L, -1.0L, 1.394493894017929688812643125003661339452L, 8.924633639033482359562124741744951972772e-1L);
+  TEST_c_c (cacos, -0.25L, 1.0L, 1.747098759571863549650000258275841544745L, -8.924633639033482359562124741744951972772e-1L);
+  TEST_c_c (cacos, -0.25L, -1.0L, 1.747098759571863549650000258275841544745L, 8.924633639033482359562124741744951972772e-1L);
+  TEST_c_c (cacos, 1.0L, 0.25L, 4.890443302710802929202843732146540079124e-1L, -5.097911466811016354623559941115413499164e-1L);
+  TEST_c_c (cacos, -1.0L, 0.25L, 2.652548323318712945542359010064848876285L, -5.097911466811016354623559941115413499164e-1L);
+  TEST_c_c (cacos, 1.0L, -0.25L, 4.890443302710802929202843732146540079124e-1L, 5.097911466811016354623559941115413499164e-1L);
+  TEST_c_c (cacos, -1.0L, -0.25L, 2.652548323318712945542359010064848876285L, 5.097911466811016354623559941115413499164e-1L);
+  TEST_c_c (cacos, 0x1.fp-10L, 1.0L, 1.569458417435338878318763342108699202986L, -8.813742198809567991336704287826445879025e-1L);
+  TEST_c_c (cacos, 0x1.fp-10L, -1.0L, 1.569458417435338878318763342108699202986L, 8.813742198809567991336704287826445879025e-1L);
+  TEST_c_c (cacos, -0x1.fp-10L, 1.0L, 1.572134236154454360143880041170803681211L, -8.813742198809567991336704287826445879025e-1L);
+  TEST_c_c (cacos, -0x1.fp-10L, -1.0L, 1.572134236154454360143880041170803681211L, 8.813742198809567991336704287826445879025e-1L);
+  TEST_c_c (cacos, 1.0L, 0x1.fp-10L, 4.349129763101882771258049954181971959031e-2L, -4.350501469856803800217957402220976497152e-2L);
+  TEST_c_c (cacos, -1.0L, 0x1.fp-10L, 3.098101355958774410750062883737683164607L, -4.350501469856803800217957402220976497152e-2L);
+  TEST_c_c (cacos, 1.0L, -0x1.fp-10L, 4.349129763101882771258049954181971959031e-2L, 4.350501469856803800217957402220976497152e-2L);
+  TEST_c_c (cacos, -1.0L, -0x1.fp-10L, 3.098101355958774410750062883737683164607L, 4.350501469856803800217957402220976497152e-2L);
+  TEST_c_c (cacos, 0x1.fp-30L, 1.0L, 1.570796325518966635014803151387033957091L, -8.813735870195430258081932989769495326854e-1L);
+  TEST_c_c (cacos, 0x1.fp-30L, -1.0L, 1.570796325518966635014803151387033957091L, 8.813735870195430258081932989769495326854e-1L);
+  TEST_c_c (cacos, -0x1.fp-30L, 1.0L, 1.570796328070826603447840231892468927106L, -8.813735870195430258081932989769495326854e-1L);
+  TEST_c_c (cacos, -0x1.fp-30L, -1.0L, 1.570796328070826603447840231892468927106L, 8.813735870195430258081932989769495326854e-1L);
+  TEST_c_c (cacos, 1.0L, 0x1.fp-30L, 4.247867097467650115899790787875186617316e-5L, -4.247867098745151888768727039216644758847e-5L);
+  TEST_c_c (cacos, -1.0L, 0x1.fp-30L, 3.141550174918818561961484385371624132331L, -4.247867098745151888768727039216644758847e-5L);
+  TEST_c_c (cacos, 1.0L, -0x1.fp-30L, 4.247867097467650115899790787875186617316e-5L, 4.247867098745151888768727039216644758847e-5L);
+  TEST_c_c (cacos, -1.0L, -0x1.fp-30L, 3.141550174918818561961484385371624132331L, 4.247867098745151888768727039216644758847e-5L);
+  TEST_c_c (cacos, 0x1.fp-100L, 1.0L, 1.570796326794896619231321691638670687364L, -8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, 0x1.fp-100L, -1.0L, 1.570796326794896619231321691638670687364L, 8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, -0x1.fp-100L, 1.0L, 1.570796326794896619231321691640832196834L, -8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, -0x1.fp-100L, -1.0L, 1.570796326794896619231321691640832196834L, 8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, 1.0L, 0x1.fp-100L, 1.236292038260260888664514866456887257525e-15L, -1.236292038260260888664514866457202186027e-15L);
+  TEST_c_c (cacos, -1.0L, 0x1.fp-100L, 3.141592653589792002170605123018614219682L, -1.236292038260260888664514866457202186027e-15L);
+  TEST_c_c (cacos, 1.0L, -0x1.fp-100L, 1.236292038260260888664514866456887257525e-15L, 1.236292038260260888664514866457202186027e-15L);
+  TEST_c_c (cacos, -1.0L, -0x1.fp-100L, 3.141592653589792002170605123018614219682L, 1.236292038260260888664514866457202186027e-15L);
+  TEST_c_c (cacos, 0x1.fp-129L, 1.0L, 1.570796326794896619231321691639751442097L, -8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, 0x1.fp-129L, -1.0L, 1.570796326794896619231321691639751442097L, 8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, -0x1.fp-129L, 1.0L, 1.570796326794896619231321691639751442101L, -8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, -0x1.fp-129L, -1.0L, 1.570796326794896619231321691639751442101L, 8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, 1.0L, 0x1.fp-129L, 5.335635276982233498398987585285818977930e-20L, -5.335635276982233498398987585285818977933e-20L);
+  TEST_c_c (cacos, -1.0L, 0x1.fp-129L, 3.141592653589793238409287030509680549213L, -5.335635276982233498398987585285818977933e-20L);
+  TEST_c_c (cacos, 1.0L, -0x1.fp-129L, 5.335635276982233498398987585285818977930e-20L, 5.335635276982233498398987585285818977933e-20L);
+  TEST_c_c (cacos, -1.0L, -0x1.fp-129L, 3.141592653589793238409287030509680549213L, 5.335635276982233498398987585285818977933e-20L);
+#ifndef TEST_FLOAT
+  TEST_c_c (cacos, 0x1.fp-1000L, 1.0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, 0x1.fp-1000L, -1.0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, -0x1.fp-1000L, 1.0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, -0x1.fp-1000L, -1.0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, 1.0L, 0x1.fp-1000L, 4.252291453851660175550490409247739011867e-151L, -4.252291453851660175550490409247739011867e-151L);
+  TEST_c_c (cacos, -1.0L, 0x1.fp-1000L, 3.141592653589793238462643383279502884197L, -4.252291453851660175550490409247739011867e-151L);
+  TEST_c_c (cacos, 1.0L, -0x1.fp-1000L, 4.252291453851660175550490409247739011867e-151L, 4.252291453851660175550490409247739011867e-151L);
+  TEST_c_c (cacos, -1.0L, -0x1.fp-1000L, 3.141592653589793238462643383279502884197L, 4.252291453851660175550490409247739011867e-151L);
+  TEST_c_c (cacos, 0x1.fp-1025L, 1.0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, 0x1.fp-1025L, -1.0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, -0x1.fp-1025L, 1.0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, -0x1.fp-1025L, -1.0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, 1.0L, 0x1.fp-1025L, 7.340879205566679497036857179189356754017e-155L, -7.340879205566679497036857179189356754017e-155L);
+  TEST_c_c (cacos, -1.0L, 0x1.fp-1025L, 3.141592653589793238462643383279502884197L, -7.340879205566679497036857179189356754017e-155L);
+  TEST_c_c (cacos, 1.0L, -0x1.fp-1025L, 7.340879205566679497036857179189356754017e-155L, 7.340879205566679497036857179189356754017e-155L);
+  TEST_c_c (cacos, -1.0L, -0x1.fp-1025L, 3.141592653589793238462643383279502884197L, 7.340879205566679497036857179189356754017e-155L);
+#endif
+#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381
+  TEST_c_c (cacos, 0x1.fp-10000L, 1.0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, 0x1.fp-10000L, -1.0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, -0x1.fp-10000L, 1.0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, -0x1.fp-10000L, -1.0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, 1.0L, 0x1.fp-10000L, 9.854680208706673586644342922051388714633e-1506L, -9.854680208706673586644342922051388714633e-1506L);
+  TEST_c_c (cacos, -1.0L, 0x1.fp-10000L, 3.141592653589793238462643383279502884197L, -9.854680208706673586644342922051388714633e-1506L);
+  TEST_c_c (cacos, 1.0L, -0x1.fp-10000L, 9.854680208706673586644342922051388714633e-1506L, 9.854680208706673586644342922051388714633e-1506L);
+  TEST_c_c (cacos, -1.0L, -0x1.fp-10000L, 3.141592653589793238462643383279502884197L, 9.854680208706673586644342922051388714633e-1506L);
+  TEST_c_c (cacos, 0x1.fp-16385L, 1.0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, 0x1.fp-16385L, -1.0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, -0x1.fp-16385L, 1.0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, -0x1.fp-16385L, -1.0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (cacos, 1.0L, 0x1.fp-16385L, 9.023632056840860275214893047597614177639e-2467L, -9.023632056840860275214893047597614177639e-2467L);
+  TEST_c_c (cacos, -1.0L, 0x1.fp-16385L, 3.141592653589793238462643383279502884197L, -9.023632056840860275214893047597614177639e-2467L);
+  TEST_c_c (cacos, 1.0L, -0x1.fp-16385L, 9.023632056840860275214893047597614177639e-2467L, 9.023632056840860275214893047597614177639e-2467L);
+  TEST_c_c (cacos, -1.0L, -0x1.fp-16385L, 3.141592653589793238462643383279502884197L, 9.023632056840860275214893047597614177639e-2467L);
+#endif
+
+  TEST_c_c (cacos, 0x1p-23L, 0x1.000002p0L, 1.570796242501204621739026081991856762292L, -8.813736713132400470205730751186547909968e-1L)
+  TEST_c_c (cacos, 0x1p-23L, -0x1.000002p0L, 1.570796242501204621739026081991856762292L, 8.813736713132400470205730751186547909968e-1L)
+  TEST_c_c (cacos, -0x1p-23L, 0x1.000002p0L, 1.570796411088588616723617301287646121905L, -8.813736713132400470205730751186547909968e-1L)
+  TEST_c_c (cacos, -0x1p-23L, -0x1.000002p0L, 1.570796411088588616723617301287646121905L, 8.813736713132400470205730751186547909968e-1L)
+  TEST_c_c (cacos, 0x1.000002p0L, 0x1p-23L, 2.222118384408546368406374049167636760903e-4L, -5.364668491573609633134147164031476452679e-4L)
+  TEST_c_c (cacos, -0x1.000002p0L, 0x1p-23L, 3.141370441751352383825802745874586120521L, -5.364668491573609633134147164031476452679e-4L)
+  TEST_c_c (cacos, 0x1.000002p0L, -0x1p-23L, 2.222118384408546368406374049167636760903e-4L, 5.364668491573609633134147164031476452679e-4L)
+  TEST_c_c (cacos, -0x1.000002p0L, -0x1p-23L, 3.141370441751352383825802745874586120521L, 5.364668491573609633134147164031476452679e-4L)
+  TEST_c_c (cacos, 0x1.fp-129L, 0x1.000002p0L, 1.570796326794896619231321691639751442097L, -8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (cacos, 0x1.fp-129L, -0x1.000002p0L, 1.570796326794896619231321691639751442097L, 8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (cacos, -0x1.fp-129L, 0x1.000002p0L, 1.570796326794896619231321691639751442101L, -8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (cacos, -0x1.fp-129L, -0x1.000002p0L, 1.570796326794896619231321691639751442101L, 8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (cacos, 0x1.000002p0L, 0x1.fp-129L, 5.830451806317544230969669308596361881467e-36L, -4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (cacos, -0x1.000002p0L, 0x1.fp-129L, 3.141592653589793238462643383279502878367L, -4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (cacos, 0x1.000002p0L, -0x1.fp-129L, 5.830451806317544230969669308596361881467e-36L, 4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (cacos, -0x1.000002p0L, -0x1.fp-129L, 3.141592653589793238462643383279502878367L, 4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (cacos, 0.0L, 0x1.000002p0L, 1.570796326794896619231321691639751442099L, -8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (cacos, 0.0L, -0x1.000002p0L, 1.570796326794896619231321691639751442099L, 8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (cacos, -0.0L, 0x1.000002p0L, 1.570796326794896619231321691639751442099L, -8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (cacos, -0.0L, -0x1.000002p0L, 1.570796326794896619231321691639751442099L, 8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (cacos, 0x1.000002p0L, 0.0L, 0.0L, -4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (cacos, -0x1.000002p0L, 0.0L, 3.141592653589793238462643383279502884197L, -4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (cacos, 0x1.000002p0L, -0.0L, 0.0L, 4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (cacos, -0x1.000002p0L, -0.0L, 3.141592653589793238462643383279502884197L, 4.882812451493617206486388134172712975070e-4L)
+#ifndef TEST_FLOAT
+  TEST_c_c (cacos, 0x1p-52L, 0x1.0000000000001p0L, 1.570796326794896462222075823262262934288L, -8.813735870195431822418551933572982483664e-1L)
+  TEST_c_c (cacos, 0x1p-52L, -0x1.0000000000001p0L, 1.570796326794896462222075823262262934288L, 8.813735870195431822418551933572982483664e-1L)
+  TEST_c_c (cacos, -0x1p-52L, 0x1.0000000000001p0L, 1.570796326794896776240567560017239949909L, -8.813735870195431822418551933572982483664e-1L)
+  TEST_c_c (cacos, -0x1p-52L, -0x1.0000000000001p0L, 1.570796326794896776240567560017239949909L, 8.813735870195431822418551933572982483664e-1L)
+  TEST_c_c (cacos, 0x1.0000000000001p0L, 0x1p-52L, 9.590301705980041385828904092662391018164e-9L, -2.315303644582684770975188768022139415020e-8L)
+  TEST_c_c (cacos, -0x1.0000000000001p0L, 0x1p-52L, 3.141592643999491532482601997450598791535L, -2.315303644582684770975188768022139415020e-8L)
+  TEST_c_c (cacos, 0x1.0000000000001p0L, -0x1p-52L, 9.590301705980041385828904092662391018164e-9L, 2.315303644582684770975188768022139415020e-8L)
+  TEST_c_c (cacos, -0x1.0000000000001p0L, -0x1p-52L, 3.141592643999491532482601997450598791535L, 2.315303644582684770975188768022139415020e-8L)
+  TEST_c_c (cacos, 0x1.fp-1025L, 0x1.0000000000001p0L, 1.570796326794896619231321691639751442099L, -8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (cacos, 0x1.fp-1025L, -0x1.0000000000001p0L, 1.570796326794896619231321691639751442099L, 8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (cacos, -0x1.fp-1025L, 0x1.0000000000001p0L, 1.570796326794896619231321691639751442099L, -8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (cacos, -0x1.fp-1025L, -0x1.0000000000001p0L, 1.570796326794896619231321691639751442099L, 8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (cacos, 0x1.0000000000001p0L, 0x1.fp-1025L, 2.557178503953494342609835913586108008322e-301L, -2.107342425544701550354780375182800088393e-8L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM)
+  TEST_c_c (cacos, -0x1.0000000000001p0L, 0x1.fp-1025L, 3.141592653589793238462643383279502884197L, -2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (cacos, 0x1.0000000000001p0L, -0x1.fp-1025L, 2.557178503953494342609835913586108008322e-301L, 2.107342425544701550354780375182800088393e-8L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM)
+  TEST_c_c (cacos, -0x1.0000000000001p0L, -0x1.fp-1025L, 3.141592653589793238462643383279502884197L, 2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (cacos, 0.0L, 0x1.0000000000001p0L, 1.570796326794896619231321691639751442099L, -8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (cacos, 0.0L, -0x1.0000000000001p0L, 1.570796326794896619231321691639751442099L, 8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (cacos, -0.0L, 0x1.0000000000001p0L, 1.570796326794896619231321691639751442099L, -8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (cacos, -0.0L, -0x1.0000000000001p0L, 1.570796326794896619231321691639751442099L, 8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (cacos, 0x1.0000000000001p0L, 0.0L, 0.0L, -2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (cacos, -0x1.0000000000001p0L, 0.0L, 3.141592653589793238462643383279502884197L, -2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (cacos, 0x1.0000000000001p0L, -0.0L, 0.0L, 2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (cacos, -0x1.0000000000001p0L, -0.0L, 3.141592653589793238462643383279502884197L, 2.107342425544701550354780375182800088393e-8L)
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64
+  TEST_c_c (cacos, 0x1p-63L, 0x1.0000000000000002p0L, 1.570796326794896619154657020805582738031L, -8.813735870195430253092739958139610131001e-1L)
+  TEST_c_c (cacos, 0x1p-63L, -0x1.0000000000000002p0L, 1.570796326794896619154657020805582738031L, 8.813735870195430253092739958139610131001e-1L)
+  TEST_c_c (cacos, -0x1p-63L, 0x1.0000000000000002p0L, 1.570796326794896619307986362473920146166L, -8.813735870195430253092739958139610131001e-1L)
+  TEST_c_c (cacos, -0x1p-63L, -0x1.0000000000000002p0L, 1.570796326794896619307986362473920146166L, 8.813735870195430253092739958139610131001e-1L)
+  TEST_c_c (cacos, 0x1.0000000000000002p0L, 0x1p-63L, 2.119177303101063432592523199680782317447e-10L, -5.116146586219826555037807251857670783420e-10L)
+  TEST_c_c (cacos, -0x1.0000000000000002p0L, 0x1p-63L, 3.141592653377875508152537040020250564229L, -5.116146586219826555037807251857670783420e-10L)
+  TEST_c_c (cacos, 0x1.0000000000000002p0L, -0x1p-63L, 2.119177303101063432592523199680782317447e-10L, 5.116146586219826555037807251857670783420e-10L)
+  TEST_c_c (cacos, -0x1.0000000000000002p0L, -0x1p-63L, 3.141592653377875508152537040020250564229L, 5.116146586219826555037807251857670783420e-10L)
+# if LDBL_MIN_EXP <= -16381
+  TEST_c_c (cacos, 0x1.fp-16385L, 0x1.0000000000000002p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (cacos, 0x1.fp-16385L, -0x1.0000000000000002p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (cacos, -0x1.fp-16385L, 0x1.0000000000000002p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (cacos, -0x1.fp-16385L, -0x1.0000000000000002p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (cacos, 0x1.0000000000000002p0L, 0x1.fp-16385L, 1.748608650034385653922359120438227480943e-4923L, -4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (cacos, -0x1.0000000000000002p0L, 0x1.fp-16385L, 3.141592653589793238462643383279502884197L, -4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (cacos, 0x1.0000000000000002p0L, -0x1.fp-16385L, 1.748608650034385653922359120438227480943e-4923L, 4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (cacos, -0x1.0000000000000002p0L, -0x1.fp-16385L, 3.141592653589793238462643383279502884197L, 4.656612873077392578082927418388212703712e-10L)
+# endif
+  TEST_c_c (cacos, 0.0L, 0x1.0000000000000002p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (cacos, 0.0L, -0x1.0000000000000002p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (cacos, -0.0L, 0x1.0000000000000002p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (cacos, -0.0L, -0x1.0000000000000002p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (cacos, 0x1.0000000000000002p0L, 0.0L, 0.0L, -4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (cacos, -0x1.0000000000000002p0L, 0.0L, 3.141592653589793238462643383279502884197L, -4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (cacos, 0x1.0000000000000002p0L, -0.0L, 0.0L, 4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (cacos, -0x1.0000000000000002p0L, -0.0L, 3.141592653589793238462643383279502884197L, 4.656612873077392578082927418388212703712e-10L)
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106
+  TEST_c_c (cacos, 0x1p-106L, 0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639742726335L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, 0x1p-106L, -0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639742726335L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, -0x1p-106L, 0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639760157863L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, -0x1p-106L, -0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639760157863L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, 0x1.000000000000000000000000008p0L, 0x1p-106L, 5.394221422390606848017034778914096659726e-17L, -2.285028863093221674154232933662774454211e-16L)
+  TEST_c_c (cacos, -0x1.000000000000000000000000008p0L, 0x1p-106L, 3.141592653589793184520429159373434404027L, -2.285028863093221674154232933662774454211e-16L)
+  TEST_c_c (cacos, 0x1.000000000000000000000000008p0L, -0x1p-106L, 5.394221422390606848017034778914096659726e-17L, 2.285028863093221674154232933662774454211e-16L)
+  TEST_c_c (cacos, -0x1.000000000000000000000000008p0L, -0x1p-106L, 3.141592653589793184520429159373434404027L, 2.285028863093221674154232933662774454211e-16L)
+  TEST_c_c (cacos, 0x1.fp-1025L, 0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, 0x1.fp-1025L, -0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, -0x1.fp-1025L, 0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, -0x1.fp-1025L, -0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, 0x1.000000000000000000000000008p0L, 0x1.fp-1025L, 2.426922623448365473354662093431821897807e-293L, -2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (cacos, -0x1.000000000000000000000000008p0L, 0x1.fp-1025L, 3.141592653589793238462643383279502884197L, -2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (cacos, 0x1.000000000000000000000000008p0L, -0x1.fp-1025L, 2.426922623448365473354662093431821897807e-293L, 2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (cacos, -0x1.000000000000000000000000008p0L, -0x1.fp-1025L, 3.141592653589793238462643383279502884197L, 2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (cacos, 0.0L, 0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, 0.0L, -0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, -0.0L, 0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, -0.0L, -0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, 0x1.000000000000000000000000008p0L, 0.0L, 0.0L, -2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (cacos, -0x1.000000000000000000000000008p0L, 0.0L, 3.141592653589793238462643383279502884197L, -2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (cacos, 0x1.000000000000000000000000008p0L, -0.0L, 0.0L, 2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (cacos, -0x1.000000000000000000000000008p0L, -0.0L, 3.141592653589793238462643383279502884197L, 2.220446049250313080847263336181636063482e-16L)
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113
+  TEST_c_c (cacos, 0x1p-113L, 0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751374007L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, 0x1p-113L, -0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751374007L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, -0x1p-113L, 0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751510190L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, -0x1p-113L, -0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751510190L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, 0x1.0000000000000000000000000001p0L, 0x1p-113L, 4.767863183742677481693563511435642755521e-18L, -2.019699255375255198156433710951064632386e-17L)
+  TEST_c_c (cacos, -0x1.0000000000000000000000000001p0L, 0x1p-113L, 3.141592653589793233694780199536825402504L, -2.019699255375255198156433710951064632386e-17L)
+  TEST_c_c (cacos, 0x1.0000000000000000000000000001p0L, -0x1p-113L, 4.767863183742677481693563511435642755521e-18L, 2.019699255375255198156433710951064632386e-17L)
+  TEST_c_c (cacos, -0x1.0000000000000000000000000001p0L, -0x1p-113L, 3.141592653589793233694780199536825402504L, 2.019699255375255198156433710951064632386e-17L)
+  TEST_c_c (cacos, 0x1.fp-16385L, 0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, 0x1.fp-16385L, -0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, -0x1.fp-16385L, 0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, -0x1.fp-16385L, -0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, 0x1.0000000000000000000000000001p0L, 0x1.fp-16385L, 4.148847925325683229178506116378864361396e-4916L, -1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (cacos, -0x1.0000000000000000000000000001p0L, 0x1.fp-16385L, 3.141592653589793238462643383279502884197L, -1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (cacos, 0x1.0000000000000000000000000001p0L, -0x1.fp-16385L, 4.148847925325683229178506116378864361396e-4916L, 1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (cacos, -0x1.0000000000000000000000000001p0L, -0x1.fp-16385L, 3.141592653589793238462643383279502884197L, 1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (cacos, 0.0L, 0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, 0.0L, -0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, -0.0L, 0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, -0.0L, -0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, 0x1.0000000000000000000000000001p0L, 0.0L, 0.0L, -1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (cacos, -0x1.0000000000000000000000000001p0L, 0.0L, 3.141592653589793238462643383279502884197L, -1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (cacos, 0x1.0000000000000000000000000001p0L, -0.0L, 0.0L, 1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (cacos, -0x1.0000000000000000000000000001p0L, -0.0L, 3.141592653589793238462643383279502884197L, 1.962615573354718824241727964954454332780e-17L)
+#endif
+
   TEST_c_c (cacos, 0.75L, 1.25L, 1.11752014915610270578240049553777969L, -1.13239363160530819522266333696834467L);
   TEST_c_c (cacos, -2, -3, 2.1414491111159960199416055713254211L, 1.9833870299165354323470769028940395L);
 
@@ -1564,22 +1781,22 @@ cacosh_test (void)
   TEST_c_c (cacosh, plus_infty, 0.5, plus_infty, 0.0);
   TEST_c_c (cacosh, plus_infty, -0.5, plus_infty, minus_zero);
 
-  TEST_c_c (cacosh, plus_infty, nan_value, plus_infty, nan_value);
-  TEST_c_c (cacosh, minus_infty, nan_value, plus_infty, nan_value);
+  TEST_c_c (cacosh, plus_infty, qnan_value, plus_infty, qnan_value);
+  TEST_c_c (cacosh, minus_infty, qnan_value, plus_infty, qnan_value);
 
-  TEST_c_c (cacosh, 0, nan_value, nan_value, nan_value);
-  TEST_c_c (cacosh, minus_zero, nan_value, nan_value, nan_value);
+  TEST_c_c (cacosh, 0, qnan_value, qnan_value, qnan_value);
+  TEST_c_c (cacosh, minus_zero, qnan_value, qnan_value, qnan_value);
 
-  TEST_c_c (cacosh, nan_value, plus_infty, plus_infty, nan_value);
-  TEST_c_c (cacosh, nan_value, minus_infty, plus_infty, nan_value);
+  TEST_c_c (cacosh, qnan_value, plus_infty, plus_infty, qnan_value);
+  TEST_c_c (cacosh, qnan_value, minus_infty, plus_infty, qnan_value);
 
-  TEST_c_c (cacosh, 10.5, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (cacosh, -10.5, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (cacosh, 10.5, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (cacosh, -10.5, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (cacosh, nan_value, 0.75, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (cacosh, nan_value, -0.75, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (cacosh, qnan_value, 0.75, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (cacosh, qnan_value, -0.75, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (cacosh, nan_value, nan_value, nan_value, nan_value);
+  TEST_c_c (cacosh, qnan_value, qnan_value, qnan_value, qnan_value);
 
   TEST_c_c (cacosh, plus_zero, -1.5L, 1.194763217287109304111930828519090523536L, -M_PI_2l);
   TEST_c_c (cacosh, minus_zero, -1.5L, 1.194763217287109304111930828519090523536L, -M_PI_2l);
@@ -1676,7 +1893,7 @@ carg_test (void)
 
   TEST_c_f (carg, minus_infty, minus_infty, -3 * M_PI_4l);
 
-  TEST_c_f (carg, nan_value, nan_value, nan_value);
+  TEST_c_f (carg, qnan_value, qnan_value, qnan_value);
 
   END (carg);
 }
@@ -1721,22 +1938,22 @@ casin_test (void)
   TEST_c_c (casin, plus_infty, 0.5, M_PI_2l, plus_infty);
   TEST_c_c (casin, plus_infty, -0.5, M_PI_2l, minus_infty);
 
-  TEST_c_c (casin, nan_value, plus_infty, nan_value, plus_infty);
-  TEST_c_c (casin, nan_value, minus_infty, nan_value, minus_infty);
+  TEST_c_c (casin, qnan_value, plus_infty, qnan_value, plus_infty);
+  TEST_c_c (casin, qnan_value, minus_infty, qnan_value, minus_infty);
 
-  TEST_c_c (casin, 0.0, nan_value, 0.0, nan_value);
-  TEST_c_c (casin, minus_zero, nan_value, minus_zero, nan_value);
+  TEST_c_c (casin, 0.0, qnan_value, 0.0, qnan_value);
+  TEST_c_c (casin, minus_zero, qnan_value, minus_zero, qnan_value);
 
-  TEST_c_c (casin, plus_infty, nan_value, nan_value, plus_infty, IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (casin, minus_infty, nan_value, nan_value, plus_infty, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (casin, plus_infty, qnan_value, qnan_value, plus_infty, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (casin, minus_infty, qnan_value, qnan_value, plus_infty, IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (casin, nan_value, 10.5, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (casin, nan_value, -10.5, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (casin, qnan_value, 10.5, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (casin, qnan_value, -10.5, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (casin, 0.75, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (casin, -0.75, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (casin, 0.75, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (casin, -0.75, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (casin, nan_value, nan_value, nan_value, nan_value);
+  TEST_c_c (casin, qnan_value, qnan_value, qnan_value, qnan_value);
 
   TEST_c_c (casin, plus_zero, -1.5L, plus_zero, -1.194763217287109304111930828519090523536L);
   TEST_c_c (casin, minus_zero, -1.5L, minus_zero, -1.194763217287109304111930828519090523536L);
@@ -1830,6 +2047,222 @@ casin_test (void)
   TEST_c_c (casin, -1.5L, -0x1.fp-16385L, -1.570796326794896619231321691639751442099L, -9.624236501192068949955178268487368462704e-1L);
 #endif
 
+  TEST_c_c (casin, 0.5L, 1.0L, 3.494390628572132936274118260753699527325e-1L, 9.261330313501824245501244453057873152694e-1L);
+  TEST_c_c (casin, 0.5L, -1.0L, 3.494390628572132936274118260753699527325e-1L, -9.261330313501824245501244453057873152694e-1L);
+  TEST_c_c (casin, -0.5L, 1.0L, -3.494390628572132936274118260753699527325e-1L, 9.261330313501824245501244453057873152694e-1L);
+  TEST_c_c (casin, -0.5L, -1.0L, -3.494390628572132936274118260753699527325e-1L, -9.261330313501824245501244453057873152694e-1L);
+  TEST_c_c (casin, 1.0L, 0.5L, 8.959074812088902390666567243275770102229e-1L, 7.328576759736452608886724437653071523305e-1L);
+  TEST_c_c (casin, -1.0L, 0.5L, -8.959074812088902390666567243275770102229e-1L, 7.328576759736452608886724437653071523305e-1L);
+  TEST_c_c (casin, 1.0L, -0.5L, 8.959074812088902390666567243275770102229e-1L, -7.328576759736452608886724437653071523305e-1L);
+  TEST_c_c (casin, -1.0L, -0.5L, -8.959074812088902390666567243275770102229e-1L, -7.328576759736452608886724437653071523305e-1L);
+  TEST_c_c (casin, 0.25L, 1.0L, 1.763024327769669304186785666360901026468e-1L, 8.924633639033482359562124741744951972772e-1L);
+  TEST_c_c (casin, 0.25L, -1.0L, 1.763024327769669304186785666360901026468e-1L, -8.924633639033482359562124741744951972772e-1L);
+  TEST_c_c (casin, -0.25L, 1.0L, -1.763024327769669304186785666360901026468e-1L, 8.924633639033482359562124741744951972772e-1L);
+  TEST_c_c (casin, -0.25L, -1.0L, -1.763024327769669304186785666360901026468e-1L, -8.924633639033482359562124741744951972772e-1L);
+  TEST_c_c (casin, 1.0L, 0.25L, 1.081751996523816326311037318425097434186L, 5.097911466811016354623559941115413499164e-1L);
+  TEST_c_c (casin, -1.0L, 0.25L, -1.081751996523816326311037318425097434186L, 5.097911466811016354623559941115413499164e-1L);
+  TEST_c_c (casin, 1.0L, -0.25L, 1.081751996523816326311037318425097434186L, -5.097911466811016354623559941115413499164e-1L);
+  TEST_c_c (casin, -1.0L, -0.25L, -1.081751996523816326311037318425097434186L, -5.097911466811016354623559941115413499164e-1L);
+  TEST_c_c (casin, 0x1.fp-10L, 1.0L, 1.337909359557740912558349531052239112857e-3L, 8.813742198809567991336704287826445879025e-1L);
+  TEST_c_c (casin, 0x1.fp-10L, -1.0L, 1.337909359557740912558349531052239112857e-3L, -8.813742198809567991336704287826445879025e-1L);
+  TEST_c_c (casin, -0x1.fp-10L, 1.0L, -1.337909359557740912558349531052239112857e-3L, 8.813742198809567991336704287826445879025e-1L);
+  TEST_c_c (casin, -0x1.fp-10L, -1.0L, -1.337909359557740912558349531052239112857e-3L, -8.813742198809567991336704287826445879025e-1L);
+  TEST_c_c (casin, 1.0L, 0x1.fp-10L, 1.527305029163877791518741192097931722508L, 4.350501469856803800217957402220976497152e-2L);
+  TEST_c_c (casin, -1.0L, 0x1.fp-10L, -1.527305029163877791518741192097931722508L, 4.350501469856803800217957402220976497152e-2L);
+  TEST_c_c (casin, 1.0L, -0x1.fp-10L, 1.527305029163877791518741192097931722508L, -4.350501469856803800217957402220976497152e-2L);
+  TEST_c_c (casin, -1.0L, -0x1.fp-10L, -1.527305029163877791518741192097931722508L, -4.350501469856803800217957402220976497152e-2L);
+  TEST_c_c (casin, 0x1.fp-30L, 1.0L, 1.275929984216518540252717485007112529021e-9L, 8.813735870195430258081932989769495326854e-1L);
+  TEST_c_c (casin, 0x1.fp-30L, -1.0L, 1.275929984216518540252717485007112529021e-9L, -8.813735870195430258081932989769495326854e-1L);
+  TEST_c_c (casin, -0x1.fp-30L, 1.0L, -1.275929984216518540252717485007112529021e-9L, 8.813735870195430258081932989769495326854e-1L);
+  TEST_c_c (casin, -0x1.fp-30L, -1.0L, -1.275929984216518540252717485007112529021e-9L, -8.813735870195430258081932989769495326854e-1L);
+  TEST_c_c (casin, 1.0L, 0x1.fp-30L, 1.570753848123921942730162693731872690232L, 4.247867098745151888768727039216644758847e-5L);
+  TEST_c_c (casin, -1.0L, 0x1.fp-30L, -1.570753848123921942730162693731872690232L, 4.247867098745151888768727039216644758847e-5L);
+  TEST_c_c (casin, 1.0L, -0x1.fp-30L, 1.570753848123921942730162693731872690232L, -4.247867098745151888768727039216644758847e-5L);
+  TEST_c_c (casin, -1.0L, -0x1.fp-30L, -1.570753848123921942730162693731872690232L, -4.247867098745151888768727039216644758847e-5L);
+  TEST_c_c (casin, 0x1.fp-100L, 1.0L, 1.080754735021050612990719608916167354321e-30L, 8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (casin, 0x1.fp-100L, -1.0L, 1.080754735021050612990719608916167354321e-30L, -8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (casin, -0x1.fp-100L, 1.0L, -1.080754735021050612990719608916167354321e-30L, 8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (casin, -0x1.fp-100L, -1.0L, -1.080754735021050612990719608916167354321e-30L, -8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (casin, 1.0L, 0x1.fp-100L, 1.570796326794895382939283431378862777584L, 1.236292038260260888664514866457202186027e-15L);
+  TEST_c_c (casin, -1.0L, 0x1.fp-100L, -1.570796326794895382939283431378862777584L, 1.236292038260260888664514866457202186027e-15L);
+  TEST_c_c (casin, 1.0L, -0x1.fp-100L, 1.570796326794895382939283431378862777584L, -1.236292038260260888664514866457202186027e-15L);
+  TEST_c_c (casin, -1.0L, -0x1.fp-100L, -1.570796326794895382939283431378862777584L, -1.236292038260260888664514866457202186027e-15L);
+  TEST_c_c (casin, 0x1.fp-129L, 1.0L, 2.013062564695348242280482517399205554874e-39L, 8.813735870195430252326093249797923090282e-1L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, 0x1.fp-129L, -1.0L, 2.013062564695348242280482517399205554874e-39L, -8.813735870195430252326093249797923090282e-1L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, -0x1.fp-129L, 1.0L, -2.013062564695348242280482517399205554874e-39L, 8.813735870195430252326093249797923090282e-1L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, -0x1.fp-129L, -1.0L, -2.013062564695348242280482517399205554874e-39L, -8.813735870195430252326093249797923090282e-1L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, 1.0L, 0x1.fp-129L, 1.570796326794896619177965338869929107115L, 5.335635276982233498398987585285818977933e-20L);
+  TEST_c_c (casin, -1.0L, 0x1.fp-129L, -1.570796326794896619177965338869929107115L, 5.335635276982233498398987585285818977933e-20L);
+  TEST_c_c (casin, 1.0L, -0x1.fp-129L, 1.570796326794896619177965338869929107115L, -5.335635276982233498398987585285818977933e-20L);
+  TEST_c_c (casin, -1.0L, -0x1.fp-129L, -1.570796326794896619177965338869929107115L, -5.335635276982233498398987585285818977933e-20L);
+#ifndef TEST_FLOAT
+  TEST_c_c (casin, 0x1.fp-1000L, 1.0L, 1.278589251976747242280879285935084814093e-301L, 8.813735870195430252326093249797923090282e-1L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casin, 0x1.fp-1000L, -1.0L, 1.278589251976747242280879285935084814093e-301L, -8.813735870195430252326093249797923090282e-1L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casin, -0x1.fp-1000L, 1.0L, -1.278589251976747242280879285935084814093e-301L, 8.813735870195430252326093249797923090282e-1L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casin, -0x1.fp-1000L, -1.0L, -1.278589251976747242280879285935084814093e-301L, -8.813735870195430252326093249797923090282e-1L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casin, 1.0L, 0x1.fp-1000L, 1.570796326794896619231321691639751442099L, 4.252291453851660175550490409247739011867e-151L);
+  TEST_c_c (casin, -1.0L, 0x1.fp-1000L, -1.570796326794896619231321691639751442099L, 4.252291453851660175550490409247739011867e-151L);
+  TEST_c_c (casin, 1.0L, -0x1.fp-1000L, 1.570796326794896619231321691639751442099L, -4.252291453851660175550490409247739011867e-151L);
+  TEST_c_c (casin, -1.0L, -0x1.fp-1000L, -1.570796326794896619231321691639751442099L, -4.252291453851660175550490409247739011867e-151L);
+  TEST_c_c (casin, 0x1.fp-1025L, 1.0L, 3.810492908885321743133304375216617626230e-309L, 8.813735870195430252326093249797923090282e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, 0x1.fp-1025L, -1.0L, 3.810492908885321743133304375216617626230e-309L, -8.813735870195430252326093249797923090282e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, -0x1.fp-1025L, 1.0L, -3.810492908885321743133304375216617626230e-309L, 8.813735870195430252326093249797923090282e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, -0x1.fp-1025L, -1.0L, -3.810492908885321743133304375216617626230e-309L, -8.813735870195430252326093249797923090282e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, 1.0L, 0x1.fp-1025L, 1.570796326794896619231321691639751442099L, 7.340879205566679497036857179189356754017e-155L);
+  TEST_c_c (casin, -1.0L, 0x1.fp-1025L, -1.570796326794896619231321691639751442099L, 7.340879205566679497036857179189356754017e-155L);
+  TEST_c_c (casin, 1.0L, -0x1.fp-1025L, 1.570796326794896619231321691639751442099L, -7.340879205566679497036857179189356754017e-155L);
+  TEST_c_c (casin, -1.0L, -0x1.fp-1025L, -1.570796326794896619231321691639751442099L, -7.340879205566679497036857179189356754017e-155L);
+#endif
+#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381
+  TEST_c_c (casin, 0x1.fp-10000L, 1.0L, 6.867047849047171855399183659351043150871e-3011L, 8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (casin, 0x1.fp-10000L, -1.0L, 6.867047849047171855399183659351043150871e-3011L, -8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (casin, -0x1.fp-10000L, 1.0L, -6.867047849047171855399183659351043150871e-3011L, 8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (casin, -0x1.fp-10000L, -1.0L, -6.867047849047171855399183659351043150871e-3011L, -8.813735870195430252326093249797923090282e-1L);
+  TEST_c_c (casin, 1.0L, 0x1.fp-10000L, 1.570796326794896619231321691639751442099L, 9.854680208706673586644342922051388714633e-1506L);
+  TEST_c_c (casin, -1.0L, 0x1.fp-10000L, -1.570796326794896619231321691639751442099L, 9.854680208706673586644342922051388714633e-1506L);
+  TEST_c_c (casin, 1.0L, -0x1.fp-10000L, 1.570796326794896619231321691639751442099L, -9.854680208706673586644342922051388714633e-1506L);
+  TEST_c_c (casin, -1.0L, -0x1.fp-10000L, -1.570796326794896619231321691639751442099L, -9.854680208706673586644342922051388714633e-1506L);
+  TEST_c_c (casin, 0x1.fp-16385L, 1.0L, 5.757683115456107044131264955348448954458e-4933L, 8.813735870195430252326093249797923090282e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, 0x1.fp-16385L, -1.0L, 5.757683115456107044131264955348448954458e-4933L, -8.813735870195430252326093249797923090282e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0x1.fp-16385L, 1.0L, -5.757683115456107044131264955348448954458e-4933L, 8.813735870195430252326093249797923090282e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0x1.fp-16385L, -1.0L, -5.757683115456107044131264955348448954458e-4933L, -8.813735870195430252326093249797923090282e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, 1.0L, 0x1.fp-16385L, 1.570796326794896619231321691639751442099L, 9.023632056840860275214893047597614177639e-2467L);
+  TEST_c_c (casin, -1.0L, 0x1.fp-16385L, -1.570796326794896619231321691639751442099L, 9.023632056840860275214893047597614177639e-2467L);
+  TEST_c_c (casin, 1.0L, -0x1.fp-16385L, 1.570796326794896619231321691639751442099L, -9.023632056840860275214893047597614177639e-2467L);
+  TEST_c_c (casin, -1.0L, -0x1.fp-16385L, -1.570796326794896619231321691639751442099L, -9.023632056840860275214893047597614177639e-2467L);
+#endif
+
+  TEST_c_c (casin, 0x1p-23L, 0x1.000002p0L, 8.429369199749229560964789467980644296420e-8L, 8.813736713132400470205730751186547909968e-1L)
+  TEST_c_c (casin, 0x1p-23L, -0x1.000002p0L, 8.429369199749229560964789467980644296420e-8L, -8.813736713132400470205730751186547909968e-1L)
+  TEST_c_c (casin, -0x1p-23L, 0x1.000002p0L, -8.429369199749229560964789467980644296420e-8L, 8.813736713132400470205730751186547909968e-1L)
+  TEST_c_c (casin, -0x1p-23L, -0x1.000002p0L, -8.429369199749229560964789467980644296420e-8L, -8.813736713132400470205730751186547909968e-1L)
+  TEST_c_c (casin, 0x1.000002p0L, 0x1p-23L, 1.570574114956455764594481054234834678422L, 5.364668491573609633134147164031476452679e-4L)
+  TEST_c_c (casin, -0x1.000002p0L, 0x1p-23L, -1.570574114956455764594481054234834678422L, 5.364668491573609633134147164031476452679e-4L)
+  TEST_c_c (casin, 0x1.000002p0L, -0x1p-23L, 1.570574114956455764594481054234834678422L, -5.364668491573609633134147164031476452679e-4L)
+  TEST_c_c (casin, -0x1.000002p0L, -0x1p-23L, -1.570574114956455764594481054234834678422L, -5.364668491573609633134147164031476452679e-4L)
+  TEST_c_c (casin, 0x1.fp-129L, 0x1.000002p0L, 2.013062444707472738895109955455676357057e-39L, 8.813736713132375348727889167749389235161e-1L, UNDERFLOW_EXCEPTION_FLOAT)
+  TEST_c_c (casin, 0x1.fp-129L, -0x1.000002p0L, 2.013062444707472738895109955455676357057e-39L, -8.813736713132375348727889167749389235161e-1L, UNDERFLOW_EXCEPTION_FLOAT)
+  TEST_c_c (casin, -0x1.fp-129L, 0x1.000002p0L, -2.013062444707472738895109955455676357057e-39L, 8.813736713132375348727889167749389235161e-1L, UNDERFLOW_EXCEPTION_FLOAT)
+  TEST_c_c (casin, -0x1.fp-129L, -0x1.000002p0L, -2.013062444707472738895109955455676357057e-39L, -8.813736713132375348727889167749389235161e-1L, UNDERFLOW_EXCEPTION_FLOAT)
+  TEST_c_c (casin, 0x1.000002p0L, 0x1.fp-129L, 1.570796326794896619231321691639751436268L, 4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (casin, -0x1.000002p0L, 0x1.fp-129L, -1.570796326794896619231321691639751436268L, 4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (casin, 0x1.000002p0L, -0x1.fp-129L, 1.570796326794896619231321691639751436268L, -4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (casin, -0x1.000002p0L, -0x1.fp-129L, -1.570796326794896619231321691639751436268L, -4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (casin, 0.0L, 0x1.000002p0L, 0.0L, 8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (casin, 0.0L, -0x1.000002p0L, 0.0L, -8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (casin, -0.0L, 0x1.000002p0L, -0.0L, 8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (casin, -0.0L, -0x1.000002p0L, -0.0L, -8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (casin, 0x1.000002p0L, 0.0L, 1.570796326794896619231321691639751442099L, 4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (casin, -0x1.000002p0L, 0.0L, -1.570796326794896619231321691639751442099L, 4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (casin, 0x1.000002p0L, -0.0L, 1.570796326794896619231321691639751442099L, -4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (casin, -0x1.000002p0L, -0.0L, -1.570796326794896619231321691639751442099L, -4.882812451493617206486388134172712975070e-4L)
+#ifndef TEST_FLOAT
+  TEST_c_c (casin, 0x1p-52L, 0x1.0000000000001p0L, 1.570092458683774885078102529858632363236e-16L, 8.813735870195431822418551933572982483664e-1L)
+  TEST_c_c (casin, 0x1p-52L, -0x1.0000000000001p0L, 1.570092458683774885078102529858632363236e-16L, -8.813735870195431822418551933572982483664e-1L)
+  TEST_c_c (casin, -0x1p-52L, 0x1.0000000000001p0L, -1.570092458683774885078102529858632363236e-16L, 8.813735870195431822418551933572982483664e-1L)
+  TEST_c_c (casin, -0x1p-52L, -0x1.0000000000001p0L, -1.570092458683774885078102529858632363236e-16L, -8.813735870195431822418551933572982483664e-1L)
+  TEST_c_c (casin, 0x1.0000000000001p0L, 0x1p-52L, 1.570796317204594913251280305810847349436L, 2.315303644582684770975188768022139415020e-8L)
+  TEST_c_c (casin, -0x1.0000000000001p0L, 0x1p-52L, -1.570796317204594913251280305810847349436L, 2.315303644582684770975188768022139415020e-8L)
+  TEST_c_c (casin, 0x1.0000000000001p0L, -0x1p-52L, 1.570796317204594913251280305810847349436L, -2.315303644582684770975188768022139415020e-8L)
+  TEST_c_c (casin, -0x1.0000000000001p0L, -0x1p-52L, -1.570796317204594913251280305810847349436L, -2.315303644582684770975188768022139415020e-8L)
+  TEST_c_c (casin, 0x1.fp-1025L, 0x1.0000000000001p0L, 3.810492908885321320083608113679347200012e-309L, 8.813735870195431822418551933572895326024e-1L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casin, 0x1.fp-1025L, -0x1.0000000000001p0L, 3.810492908885321320083608113679347200012e-309L, -8.813735870195431822418551933572895326024e-1L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casin, -0x1.fp-1025L, 0x1.0000000000001p0L, -3.810492908885321320083608113679347200012e-309L, 8.813735870195431822418551933572895326024e-1L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casin, -0x1.fp-1025L, -0x1.0000000000001p0L, -3.810492908885321320083608113679347200012e-309L, -8.813735870195431822418551933572895326024e-1L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casin, 0x1.0000000000001p0L, 0x1.fp-1025L, 1.570796326794896619231321691639751442099L, 2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (casin, -0x1.0000000000001p0L, 0x1.fp-1025L, -1.570796326794896619231321691639751442099L, 2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (casin, 0x1.0000000000001p0L, -0x1.fp-1025L, 1.570796326794896619231321691639751442099L, -2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (casin, -0x1.0000000000001p0L, -0x1.fp-1025L, -1.570796326794896619231321691639751442099L, -2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (casin, 0.0L, 0x1.0000000000001p0L, 0.0L, 8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (casin, 0.0L, -0x1.0000000000001p0L, 0.0L, -8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (casin, -0.0L, 0x1.0000000000001p0L, -0.0L, 8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (casin, -0.0L, -0x1.0000000000001p0L, -0.0L, -8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (casin, 0x1.0000000000001p0L, 0.0L, 1.570796326794896619231321691639751442099L, 2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (casin, -0x1.0000000000001p0L, 0.0L, -1.570796326794896619231321691639751442099L, 2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (casin, 0x1.0000000000001p0L, -0.0L, 1.570796326794896619231321691639751442099L, -2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (casin, -0x1.0000000000001p0L, -0.0L, -1.570796326794896619231321691639751442099L, -2.107342425544701550354780375182800088393e-8L)
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64
+  TEST_c_c (casin, 0x1p-63L, 0x1.0000000000000002p0L, 7.666467083416870406778649849746878368519e-20L, 8.813735870195430253092739958139610131001e-1L)
+  TEST_c_c (casin, 0x1p-63L, -0x1.0000000000000002p0L, 7.666467083416870406778649849746878368519e-20L, -8.813735870195430253092739958139610131001e-1L)
+  TEST_c_c (casin, -0x1p-63L, 0x1.0000000000000002p0L, -7.666467083416870406778649849746878368519e-20L, 8.813735870195430253092739958139610131001e-1L)
+  TEST_c_c (casin, -0x1p-63L, -0x1.0000000000000002p0L, -7.666467083416870406778649849746878368519e-20L, -8.813735870195430253092739958139610131001e-1L)
+  TEST_c_c (casin, 0x1.0000000000000002p0L, 0x1p-63L, 1.570796326582978888921215348380499122131L, 5.116146586219826555037807251857670783420e-10L)
+  TEST_c_c (casin, -0x1.0000000000000002p0L, 0x1p-63L, -1.570796326582978888921215348380499122131L, 5.116146586219826555037807251857670783420e-10L)
+  TEST_c_c (casin, 0x1.0000000000000002p0L, -0x1p-63L, 1.570796326582978888921215348380499122131L, -5.116146586219826555037807251857670783420e-10L)
+  TEST_c_c (casin, -0x1.0000000000000002p0L, -0x1p-63L, -1.570796326582978888921215348380499122131L, -5.116146586219826555037807251857670783420e-10L)
+# if LDBL_MIN_EXP <= -16381
+  TEST_c_c (casin, 0x1.fp-16385L, 0x1.0000000000000002p0L, 5.757683115456107043819140328235418018963e-4933L, 8.813735870195430253092739958139610130980e-1L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casin, 0x1.fp-16385L, -0x1.0000000000000002p0L, 5.757683115456107043819140328235418018963e-4933L, -8.813735870195430253092739958139610130980e-1L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casin, -0x1.fp-16385L, 0x1.0000000000000002p0L, -5.757683115456107043819140328235418018963e-4933L, 8.813735870195430253092739958139610130980e-1L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casin, -0x1.fp-16385L, -0x1.0000000000000002p0L, -5.757683115456107043819140328235418018963e-4933L, -8.813735870195430253092739958139610130980e-1L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casin, 0x1.0000000000000002p0L, 0x1.fp-16385L, 1.570796326794896619231321691639751442099L, 4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (casin, -0x1.0000000000000002p0L, 0x1.fp-16385L, -1.570796326794896619231321691639751442099L, 4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (casin, 0x1.0000000000000002p0L, -0x1.fp-16385L, 1.570796326794896619231321691639751442099L, -4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (casin, -0x1.0000000000000002p0L, -0x1.fp-16385L, -1.570796326794896619231321691639751442099L, -4.656612873077392578082927418388212703712e-10L)
+# endif
+  TEST_c_c (casin, 0.0L, 0x1.0000000000000002p0L, 0.0L, 8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (casin, 0.0L, -0x1.0000000000000002p0L, 0.0L, -8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (casin, -0.0L, 0x1.0000000000000002p0L, -0.0L, 8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (casin, -0.0L, -0x1.0000000000000002p0L, -0.0L, -8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (casin, 0x1.0000000000000002p0L, 0.0L, 1.570796326794896619231321691639751442099L, 4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (casin, -0x1.0000000000000002p0L, 0.0L, -1.570796326794896619231321691639751442099L, 4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (casin, 0x1.0000000000000002p0L, -0.0L, 1.570796326794896619231321691639751442099L, -4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (casin, -0x1.0000000000000002p0L, -0.0L, -1.570796326794896619231321691639751442099L, -4.656612873077392578082927418388212703712e-10L)
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106
+  TEST_c_c (casin, 0x1p-106L, 0x1.000000000000000000000000008p0L, 8.715763992105246878957416200936726072500e-33L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (casin, 0x1p-106L, -0x1.000000000000000000000000008p0L, 8.715763992105246878957416200936726072500e-33L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (casin, -0x1p-106L, 0x1.000000000000000000000000008p0L, -8.715763992105246878957416200936726072500e-33L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (casin, -0x1p-106L, -0x1.000000000000000000000000008p0L, -8.715763992105246878957416200936726072500e-33L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (casin, 0x1.000000000000000000000000008p0L, 0x1p-106L, 1.570796326794896565289107467733682961928L, 2.285028863093221674154232933662774454211e-16L)
+  TEST_c_c (casin, -0x1.000000000000000000000000008p0L, 0x1p-106L, -1.570796326794896565289107467733682961928L, 2.285028863093221674154232933662774454211e-16L)
+  TEST_c_c (casin, 0x1.000000000000000000000000008p0L, -0x1p-106L, 1.570796326794896565289107467733682961928L, -2.285028863093221674154232933662774454211e-16L)
+  TEST_c_c (casin, -0x1.000000000000000000000000008p0L, -0x1p-106L, -1.570796326794896565289107467733682961928L, -2.285028863093221674154232933662774454211e-16L)
+  TEST_c_c (casin, 0x1.fp-1025L, 0x1.000000000000000000000000008p0L, 3.810492908885321743133304375216570658278e-309L, 8.813735870195430252326093249798097405561e-1L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casin, 0x1.fp-1025L, -0x1.000000000000000000000000008p0L, 3.810492908885321743133304375216570658278e-309L, -8.813735870195430252326093249798097405561e-1L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casin, -0x1.fp-1025L, 0x1.000000000000000000000000008p0L, -3.810492908885321743133304375216570658278e-309L, 8.813735870195430252326093249798097405561e-1L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casin, -0x1.fp-1025L, -0x1.000000000000000000000000008p0L, -3.810492908885321743133304375216570658278e-309L, -8.813735870195430252326093249798097405561e-1L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casin, 0x1.000000000000000000000000008p0L, 0x1.fp-1025L, 1.570796326794896619231321691639751442099L, 2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (casin, -0x1.000000000000000000000000008p0L, 0x1.fp-1025L, -1.570796326794896619231321691639751442099L, 2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (casin, 0x1.000000000000000000000000008p0L, -0x1.fp-1025L, 1.570796326794896619231321691639751442099L, -2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (casin, -0x1.000000000000000000000000008p0L, -0x1.fp-1025L, -1.570796326794896619231321691639751442099L, -2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (casin, 0.0L, 0x1.000000000000000000000000008p0L, 0.0L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (casin, 0.0L, -0x1.000000000000000000000000008p0L, 0.0L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (casin, -0.0L, 0x1.000000000000000000000000008p0L, -0.0L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (casin, -0.0L, -0x1.000000000000000000000000008p0L, -0.0L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (casin, 0x1.000000000000000000000000008p0L, 0.0L, 1.570796326794896619231321691639751442099L, 2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (casin, -0x1.000000000000000000000000008p0L, 0.0L, -1.570796326794896619231321691639751442099L, 2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (casin, 0x1.000000000000000000000000008p0L, -0.0L, 1.570796326794896619231321691639751442099L, -2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (casin, -0x1.000000000000000000000000008p0L, -0.0L, -1.570796326794896619231321691639751442099L, -2.220446049250313080847263336181636063482e-16L)
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113
+  TEST_c_c (casin, 0x1p-113L, 0x1.0000000000000000000000000001p0L, 6.809190618832224124185481406981900518193e-35L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (casin, 0x1p-113L, -0x1.0000000000000000000000000001p0L, 6.809190618832224124185481406981900518193e-35L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (casin, -0x1p-113L, 0x1.0000000000000000000000000001p0L, -6.809190618832224124185481406981900518193e-35L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (casin, -0x1p-113L, -0x1.0000000000000000000000000001p0L, -6.809190618832224124185481406981900518193e-35L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (casin, 0x1.0000000000000000000000000001p0L, 0x1p-113L, 1.570796326794896614463458507897073960405L, 2.019699255375255198156433710951064632386e-17L)
+  TEST_c_c (casin, -0x1.0000000000000000000000000001p0L, 0x1p-113L, -1.570796326794896614463458507897073960405L, 2.019699255375255198156433710951064632386e-17L)
+  TEST_c_c (casin, 0x1.0000000000000000000000000001p0L, -0x1p-113L, 1.570796326794896614463458507897073960405L, -2.019699255375255198156433710951064632386e-17L)
+  TEST_c_c (casin, -0x1.0000000000000000000000000001p0L, -0x1p-113L, -1.570796326794896614463458507897073960405L, -2.019699255375255198156433710951064632386e-17L)
+  TEST_c_c (casin, 0x1.fp-16385L, 0x1.0000000000000000000000000001p0L, 5.757683115456107044131264955348448400014e-4933L, 8.813735870195430252326093249797924452120e-1L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casin, 0x1.fp-16385L, -0x1.0000000000000000000000000001p0L, 5.757683115456107044131264955348448400014e-4933L, -8.813735870195430252326093249797924452120e-1L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casin, -0x1.fp-16385L, 0x1.0000000000000000000000000001p0L, -5.757683115456107044131264955348448400014e-4933L, 8.813735870195430252326093249797924452120e-1L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casin, -0x1.fp-16385L, -0x1.0000000000000000000000000001p0L, -5.757683115456107044131264955348448400014e-4933L, -8.813735870195430252326093249797924452120e-1L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casin, 0x1.0000000000000000000000000001p0L, 0x1.fp-16385L, 1.570796326794896619231321691639751442099L, 1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (casin, -0x1.0000000000000000000000000001p0L, 0x1.fp-16385L, -1.570796326794896619231321691639751442099L, 1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (casin, 0x1.0000000000000000000000000001p0L, -0x1.fp-16385L, 1.570796326794896619231321691639751442099L, -1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (casin, -0x1.0000000000000000000000000001p0L, -0x1.fp-16385L, -1.570796326794896619231321691639751442099L, -1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (casin, 0.0L, 0x1.0000000000000000000000000001p0L, 0.0L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (casin, 0.0L, -0x1.0000000000000000000000000001p0L, 0.0L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (casin, -0.0L, 0x1.0000000000000000000000000001p0L, -0.0L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (casin, -0.0L, -0x1.0000000000000000000000000001p0L, -0.0L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (casin, 0x1.0000000000000000000000000001p0L, 0.0L, 1.570796326794896619231321691639751442099L, 1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (casin, -0x1.0000000000000000000000000001p0L, 0.0L, -1.570796326794896619231321691639751442099L, 1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (casin, 0x1.0000000000000000000000000001p0L, -0.0L, 1.570796326794896619231321691639751442099L, -1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (casin, -0x1.0000000000000000000000000001p0L, -0.0L, -1.570796326794896619231321691639751442099L, -1.962615573354718824241727964954454332780e-17L)
+#endif
+
   TEST_c_c (casin, 0.75L, 1.25L, 0.453276177638793913448921196101971749L, 1.13239363160530819522266333696834467L);
   TEST_c_c (casin, -2, -3, -0.57065278432109940071028387968566963L, -1.9833870299165354323470769028940395L);
 
@@ -1877,22 +2310,22 @@ casinh_test (void)
   TEST_c_c (casinh, plus_infty, 0.5, plus_infty, 0.0);
   TEST_c_c (casinh, plus_infty, -0.5, plus_infty, minus_zero);
 
-  TEST_c_c (casinh, plus_infty, nan_value, plus_infty, nan_value);
-  TEST_c_c (casinh, minus_infty, nan_value, minus_infty, nan_value);
+  TEST_c_c (casinh, plus_infty, qnan_value, plus_infty, qnan_value);
+  TEST_c_c (casinh, minus_infty, qnan_value, minus_infty, qnan_value);
 
-  TEST_c_c (casinh, nan_value, 0, nan_value, 0.0);
-  TEST_c_c (casinh, nan_value, minus_zero, nan_value, minus_zero);
+  TEST_c_c (casinh, qnan_value, 0, qnan_value, 0.0);
+  TEST_c_c (casinh, qnan_value, minus_zero, qnan_value, minus_zero);
 
-  TEST_c_c (casinh, nan_value, plus_infty, plus_infty, nan_value, IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (casinh, nan_value, minus_infty, plus_infty, nan_value, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (casinh, qnan_value, plus_infty, plus_infty, qnan_value, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (casinh, qnan_value, minus_infty, plus_infty, qnan_value, IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (casinh, 10.5, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (casinh, -10.5, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (casinh, 10.5, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (casinh, -10.5, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (casinh, nan_value, 0.75, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (casinh, -0.75, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (casinh, qnan_value, 0.75, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (casinh, -0.75, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (casinh, nan_value, nan_value, nan_value, nan_value);
+  TEST_c_c (casinh, qnan_value, qnan_value, qnan_value, qnan_value);
 
   TEST_c_c (casinh, plus_zero, -1.5L, 0.9624236501192068949955178268487368462704L, -M_PI_2l);
   TEST_c_c (casinh, minus_zero, -1.5L, -0.9624236501192068949955178268487368462704L, -M_PI_2l);
@@ -1986,6 +2419,222 @@ casinh_test (void)
   TEST_c_c (casinh, -1.5L, -0x1.fp-16385L, -1.194763217287109304111930828519090523536L, -4.516698239814521372306784062043266700598e-4933L, UNDERFLOW_EXCEPTION);
 #endif
 
+  TEST_c_c (casinh, 0.5L, 1.0L, 7.328576759736452608886724437653071523305e-1L, 8.959074812088902390666567243275770102229e-1L);
+  TEST_c_c (casinh, 0.5L, -1.0L, 7.328576759736452608886724437653071523305e-1L, -8.959074812088902390666567243275770102229e-1L);
+  TEST_c_c (casinh, -0.5L, 1.0L, -7.328576759736452608886724437653071523305e-1L, 8.959074812088902390666567243275770102229e-1L);
+  TEST_c_c (casinh, -0.5L, -1.0L, -7.328576759736452608886724437653071523305e-1L, -8.959074812088902390666567243275770102229e-1L);
+  TEST_c_c (casinh, 1.0L, 0.5L, 9.261330313501824245501244453057873152694e-1L, 3.494390628572132936274118260753699527325e-1L);
+  TEST_c_c (casinh, -1.0L, 0.5L, -9.261330313501824245501244453057873152694e-1L, 3.494390628572132936274118260753699527325e-1L);
+  TEST_c_c (casinh, 1.0L, -0.5L, 9.261330313501824245501244453057873152694e-1L, -3.494390628572132936274118260753699527325e-1L);
+  TEST_c_c (casinh, -1.0L, -0.5L, -9.261330313501824245501244453057873152694e-1L, -3.494390628572132936274118260753699527325e-1L);
+  TEST_c_c (casinh, 0.25L, 1.0L, 5.097911466811016354623559941115413499164e-1L, 1.081751996523816326311037318425097434186L);
+  TEST_c_c (casinh, 0.25L, -1.0L, 5.097911466811016354623559941115413499164e-1L, -1.081751996523816326311037318425097434186L);
+  TEST_c_c (casinh, -0.25L, 1.0L, -5.097911466811016354623559941115413499164e-1L, 1.081751996523816326311037318425097434186L);
+  TEST_c_c (casinh, -0.25L, -1.0L, -5.097911466811016354623559941115413499164e-1L, -1.081751996523816326311037318425097434186L);
+  TEST_c_c (casinh, 1.0L, 0.25L, 8.924633639033482359562124741744951972772e-1L, 1.763024327769669304186785666360901026468e-1L);
+  TEST_c_c (casinh, -1.0L, 0.25L, -8.924633639033482359562124741744951972772e-1L, 1.763024327769669304186785666360901026468e-1L);
+  TEST_c_c (casinh, 1.0L, -0.25L, 8.924633639033482359562124741744951972772e-1L, -1.763024327769669304186785666360901026468e-1L);
+  TEST_c_c (casinh, -1.0L, -0.25L, -8.924633639033482359562124741744951972772e-1L, -1.763024327769669304186785666360901026468e-1L);
+  TEST_c_c (casinh, 0x1.fp-10L, 1.0L, 4.350501469856803800217957402220976497152e-2L, 1.527305029163877791518741192097931722508L);
+  TEST_c_c (casinh, 0x1.fp-10L, -1.0L, 4.350501469856803800217957402220976497152e-2L, -1.527305029163877791518741192097931722508L);
+  TEST_c_c (casinh, -0x1.fp-10L, 1.0L, -4.350501469856803800217957402220976497152e-2L, 1.527305029163877791518741192097931722508L);
+  TEST_c_c (casinh, -0x1.fp-10L, -1.0L, -4.350501469856803800217957402220976497152e-2L, -1.527305029163877791518741192097931722508L);
+  TEST_c_c (casinh, 1.0L, 0x1.fp-10L, 8.813742198809567991336704287826445879025e-1L, 1.337909359557740912558349531052239112857e-3L);
+  TEST_c_c (casinh, -1.0L, 0x1.fp-10L, -8.813742198809567991336704287826445879025e-1L, 1.337909359557740912558349531052239112857e-3L);
+  TEST_c_c (casinh, 1.0L, -0x1.fp-10L, 8.813742198809567991336704287826445879025e-1L, -1.337909359557740912558349531052239112857e-3L);
+  TEST_c_c (casinh, -1.0L, -0x1.fp-10L, -8.813742198809567991336704287826445879025e-1L, -1.337909359557740912558349531052239112857e-3L);
+  TEST_c_c (casinh, 0x1.fp-30L, 1.0L, 4.247867098745151888768727039216644758847e-5L, 1.570753848123921942730162693731872690232L);
+  TEST_c_c (casinh, 0x1.fp-30L, -1.0L, 4.247867098745151888768727039216644758847e-5L, -1.570753848123921942730162693731872690232L);
+  TEST_c_c (casinh, -0x1.fp-30L, 1.0L, -4.247867098745151888768727039216644758847e-5L, 1.570753848123921942730162693731872690232L);
+  TEST_c_c (casinh, -0x1.fp-30L, -1.0L, -4.247867098745151888768727039216644758847e-5L, -1.570753848123921942730162693731872690232L);
+  TEST_c_c (casinh, 1.0L, 0x1.fp-30L, 8.813735870195430258081932989769495326854e-1L, 1.275929984216518540252717485007112529021e-9L);
+  TEST_c_c (casinh, -1.0L, 0x1.fp-30L, -8.813735870195430258081932989769495326854e-1L, 1.275929984216518540252717485007112529021e-9L);
+  TEST_c_c (casinh, 1.0L, -0x1.fp-30L, 8.813735870195430258081932989769495326854e-1L, -1.275929984216518540252717485007112529021e-9L);
+  TEST_c_c (casinh, -1.0L, -0x1.fp-30L, -8.813735870195430258081932989769495326854e-1L, -1.275929984216518540252717485007112529021e-9L);
+  TEST_c_c (casinh, 0x1.fp-100L, 1.0L, 1.236292038260260888664514866457202186027e-15L, 1.570796326794895382939283431378862777584L);
+  TEST_c_c (casinh, 0x1.fp-100L, -1.0L, 1.236292038260260888664514866457202186027e-15L, -1.570796326794895382939283431378862777584L);
+  TEST_c_c (casinh, -0x1.fp-100L, 1.0L, -1.236292038260260888664514866457202186027e-15L, 1.570796326794895382939283431378862777584L);
+  TEST_c_c (casinh, -0x1.fp-100L, -1.0L, -1.236292038260260888664514866457202186027e-15L, -1.570796326794895382939283431378862777584L);
+  TEST_c_c (casinh, 1.0L, 0x1.fp-100L, 8.813735870195430252326093249797923090282e-1L, 1.080754735021050612990719608916167354321e-30L);
+  TEST_c_c (casinh, -1.0L, 0x1.fp-100L, -8.813735870195430252326093249797923090282e-1L, 1.080754735021050612990719608916167354321e-30L);
+  TEST_c_c (casinh, 1.0L, -0x1.fp-100L, 8.813735870195430252326093249797923090282e-1L, -1.080754735021050612990719608916167354321e-30L);
+  TEST_c_c (casinh, -1.0L, -0x1.fp-100L, -8.813735870195430252326093249797923090282e-1L, -1.080754735021050612990719608916167354321e-30L);
+  TEST_c_c (casinh, 0x1.fp-129L, 1.0L, 5.335635276982233498398987585285818977933e-20L, 1.570796326794896619177965338869929107115L);
+  TEST_c_c (casinh, 0x1.fp-129L, -1.0L, 5.335635276982233498398987585285818977933e-20L, -1.570796326794896619177965338869929107115L);
+  TEST_c_c (casinh, -0x1.fp-129L, 1.0L, -5.335635276982233498398987585285818977933e-20L, 1.570796326794896619177965338869929107115L);
+  TEST_c_c (casinh, -0x1.fp-129L, -1.0L, -5.335635276982233498398987585285818977933e-20L, -1.570796326794896619177965338869929107115L);
+  TEST_c_c (casinh, 1.0L, 0x1.fp-129L, 8.813735870195430252326093249797923090282e-1L, 2.013062564695348242280482517399205554874e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, -1.0L, 0x1.fp-129L, -8.813735870195430252326093249797923090282e-1L, 2.013062564695348242280482517399205554874e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, 1.0L, -0x1.fp-129L, 8.813735870195430252326093249797923090282e-1L, -2.013062564695348242280482517399205554874e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, -1.0L, -0x1.fp-129L, -8.813735870195430252326093249797923090282e-1L, -2.013062564695348242280482517399205554874e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+#ifndef TEST_FLOAT
+  TEST_c_c (casinh, 0x1.fp-1000L, 1.0L, 4.252291453851660175550490409247739011867e-151L, 1.570796326794896619231321691639751442099L);
+  TEST_c_c (casinh, 0x1.fp-1000L, -1.0L, 4.252291453851660175550490409247739011867e-151L, -1.570796326794896619231321691639751442099L);
+  TEST_c_c (casinh, -0x1.fp-1000L, 1.0L, -4.252291453851660175550490409247739011867e-151L, 1.570796326794896619231321691639751442099L);
+  TEST_c_c (casinh, -0x1.fp-1000L, -1.0L, -4.252291453851660175550490409247739011867e-151L, -1.570796326794896619231321691639751442099L);
+  TEST_c_c (casinh, 1.0L, 0x1.fp-1000L, 8.813735870195430252326093249797923090282e-1L, 1.278589251976747242280879285935084814093e-301L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casinh, -1.0L, 0x1.fp-1000L, -8.813735870195430252326093249797923090282e-1L, 1.278589251976747242280879285935084814093e-301L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casinh, 1.0L, -0x1.fp-1000L, 8.813735870195430252326093249797923090282e-1L, -1.278589251976747242280879285935084814093e-301L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casinh, -1.0L, -0x1.fp-1000L, -8.813735870195430252326093249797923090282e-1L, -1.278589251976747242280879285935084814093e-301L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casinh, 0x1.fp-1025L, 1.0L, 7.340879205566679497036857179189356754017e-155L, 1.570796326794896619231321691639751442099L);
+  TEST_c_c (casinh, 0x1.fp-1025L, -1.0L, 7.340879205566679497036857179189356754017e-155L, -1.570796326794896619231321691639751442099L);
+  TEST_c_c (casinh, -0x1.fp-1025L, 1.0L, -7.340879205566679497036857179189356754017e-155L, 1.570796326794896619231321691639751442099L);
+  TEST_c_c (casinh, -0x1.fp-1025L, -1.0L, -7.340879205566679497036857179189356754017e-155L, -1.570796326794896619231321691639751442099L);
+  TEST_c_c (casinh, 1.0L, 0x1.fp-1025L, 8.813735870195430252326093249797923090282e-1L, 3.810492908885321743133304375216617626230e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, -1.0L, 0x1.fp-1025L, -8.813735870195430252326093249797923090282e-1L, 3.810492908885321743133304375216617626230e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, 1.0L, -0x1.fp-1025L, 8.813735870195430252326093249797923090282e-1L, -3.810492908885321743133304375216617626230e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, -1.0L, -0x1.fp-1025L, -8.813735870195430252326093249797923090282e-1L, -3.810492908885321743133304375216617626230e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+#endif
+#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381
+  TEST_c_c (casinh, 0x1.fp-10000L, 1.0L, 9.854680208706673586644342922051388714633e-1506L, 1.570796326794896619231321691639751442099L);
+  TEST_c_c (casinh, 0x1.fp-10000L, -1.0L, 9.854680208706673586644342922051388714633e-1506L, -1.570796326794896619231321691639751442099L);
+  TEST_c_c (casinh, -0x1.fp-10000L, 1.0L, -9.854680208706673586644342922051388714633e-1506L, 1.570796326794896619231321691639751442099L);
+  TEST_c_c (casinh, -0x1.fp-10000L, -1.0L, -9.854680208706673586644342922051388714633e-1506L, -1.570796326794896619231321691639751442099L);
+  TEST_c_c (casinh, 1.0L, 0x1.fp-10000L, 8.813735870195430252326093249797923090282e-1L, 6.867047849047171855399183659351043150871e-3011L);
+  TEST_c_c (casinh, -1.0L, 0x1.fp-10000L, -8.813735870195430252326093249797923090282e-1L, 6.867047849047171855399183659351043150871e-3011L);
+  TEST_c_c (casinh, 1.0L, -0x1.fp-10000L, 8.813735870195430252326093249797923090282e-1L, -6.867047849047171855399183659351043150871e-3011L);
+  TEST_c_c (casinh, -1.0L, -0x1.fp-10000L, -8.813735870195430252326093249797923090282e-1L, -6.867047849047171855399183659351043150871e-3011L);
+  TEST_c_c (casinh, 0x1.fp-16385L, 1.0L, 9.023632056840860275214893047597614177639e-2467L, 1.570796326794896619231321691639751442099L);
+  TEST_c_c (casinh, 0x1.fp-16385L, -1.0L, 9.023632056840860275214893047597614177639e-2467L, -1.570796326794896619231321691639751442099L);
+  TEST_c_c (casinh, -0x1.fp-16385L, 1.0L, -9.023632056840860275214893047597614177639e-2467L, 1.570796326794896619231321691639751442099L);
+  TEST_c_c (casinh, -0x1.fp-16385L, -1.0L, -9.023632056840860275214893047597614177639e-2467L, -1.570796326794896619231321691639751442099L);
+  TEST_c_c (casinh, 1.0L, 0x1.fp-16385L, 8.813735870195430252326093249797923090282e-1L, 5.757683115456107044131264955348448954458e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -1.0L, 0x1.fp-16385L, -8.813735870195430252326093249797923090282e-1L, 5.757683115456107044131264955348448954458e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, 1.0L, -0x1.fp-16385L, 8.813735870195430252326093249797923090282e-1L, -5.757683115456107044131264955348448954458e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -1.0L, -0x1.fp-16385L, -8.813735870195430252326093249797923090282e-1L, -5.757683115456107044131264955348448954458e-4933L, UNDERFLOW_EXCEPTION);
+#endif
+
+  TEST_c_c (casinh, 0x1p-23L, 0x1.000002p0L, 5.364668491573609633134147164031476452679e-4L, 1.570574114956455764594481054234834678422L)
+  TEST_c_c (casinh, 0x1p-23L, -0x1.000002p0L, 5.364668491573609633134147164031476452679e-4L, -1.570574114956455764594481054234834678422L)
+  TEST_c_c (casinh, -0x1p-23L, 0x1.000002p0L, -5.364668491573609633134147164031476452679e-4L, 1.570574114956455764594481054234834678422L)
+  TEST_c_c (casinh, -0x1p-23L, -0x1.000002p0L, -5.364668491573609633134147164031476452679e-4L, -1.570574114956455764594481054234834678422L)
+  TEST_c_c (casinh, 0x1.000002p0L, 0x1p-23L, 8.813736713132400470205730751186547909968e-1L, 8.429369199749229560964789467980644296420e-8L)
+  TEST_c_c (casinh, -0x1.000002p0L, 0x1p-23L, -8.813736713132400470205730751186547909968e-1L, 8.429369199749229560964789467980644296420e-8L)
+  TEST_c_c (casinh, 0x1.000002p0L, -0x1p-23L, 8.813736713132400470205730751186547909968e-1L, -8.429369199749229560964789467980644296420e-8L)
+  TEST_c_c (casinh, -0x1.000002p0L, -0x1p-23L, -8.813736713132400470205730751186547909968e-1L, -8.429369199749229560964789467980644296420e-8L)
+  TEST_c_c (casinh, 0x1.fp-129L, 0x1.000002p0L, 4.882812451493617206486388134172712975070e-4L, 1.570796326794896619231321691639751436268L)
+  TEST_c_c (casinh, 0x1.fp-129L, -0x1.000002p0L, 4.882812451493617206486388134172712975070e-4L, -1.570796326794896619231321691639751436268L)
+  TEST_c_c (casinh, -0x1.fp-129L, 0x1.000002p0L, -4.882812451493617206486388134172712975070e-4L, 1.570796326794896619231321691639751436268L)
+  TEST_c_c (casinh, -0x1.fp-129L, -0x1.000002p0L, -4.882812451493617206486388134172712975070e-4L, -1.570796326794896619231321691639751436268L)
+  TEST_c_c (casinh, 0x1.000002p0L, 0x1.fp-129L, 8.813736713132375348727889167749389235161e-1L, 2.013062444707472738895109955455676357057e-39L, UNDERFLOW_EXCEPTION_FLOAT)
+  TEST_c_c (casinh, -0x1.000002p0L, 0x1.fp-129L, -8.813736713132375348727889167749389235161e-1L, 2.013062444707472738895109955455676357057e-39L, UNDERFLOW_EXCEPTION_FLOAT)
+  TEST_c_c (casinh, 0x1.000002p0L, -0x1.fp-129L, 8.813736713132375348727889167749389235161e-1L, -2.013062444707472738895109955455676357057e-39L, UNDERFLOW_EXCEPTION_FLOAT)
+  TEST_c_c (casinh, -0x1.000002p0L, -0x1.fp-129L, -8.813736713132375348727889167749389235161e-1L, -2.013062444707472738895109955455676357057e-39L, UNDERFLOW_EXCEPTION_FLOAT)
+  TEST_c_c (casinh, 0.0L, 0x1.000002p0L, 4.882812451493617206486388134172712975070e-4L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0.0L, -0x1.000002p0L, 4.882812451493617206486388134172712975070e-4L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, 0x1.000002p0L, -4.882812451493617206486388134172712975070e-4L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, -0x1.000002p0L, -4.882812451493617206486388134172712975070e-4L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.000002p0L, 0.0L, 8.813736713132375348727889167749389235161e-1L, 0.0L)
+  TEST_c_c (casinh, -0x1.000002p0L, 0.0L, -8.813736713132375348727889167749389235161e-1L, 0.0L)
+  TEST_c_c (casinh, 0x1.000002p0L, -0.0L, 8.813736713132375348727889167749389235161e-1L, -0.0L)
+  TEST_c_c (casinh, -0x1.000002p0L, -0.0L, -8.813736713132375348727889167749389235161e-1L, -0.0L)
+#ifndef TEST_FLOAT
+  TEST_c_c (casinh, 0x1p-52L, 0x1.0000000000001p0L, 2.315303644582684770975188768022139415020e-8L, 1.570796317204594913251280305810847349436L)
+  TEST_c_c (casinh, 0x1p-52L, -0x1.0000000000001p0L, 2.315303644582684770975188768022139415020e-8L, -1.570796317204594913251280305810847349436L)
+  TEST_c_c (casinh, -0x1p-52L, 0x1.0000000000001p0L, -2.315303644582684770975188768022139415020e-8L, 1.570796317204594913251280305810847349436L)
+  TEST_c_c (casinh, -0x1p-52L, -0x1.0000000000001p0L, -2.315303644582684770975188768022139415020e-8L, -1.570796317204594913251280305810847349436L)
+  TEST_c_c (casinh, 0x1.0000000000001p0L, 0x1p-52L, 8.813735870195431822418551933572982483664e-1L, 1.570092458683774885078102529858632363236e-16L)
+  TEST_c_c (casinh, -0x1.0000000000001p0L, 0x1p-52L, -8.813735870195431822418551933572982483664e-1L, 1.570092458683774885078102529858632363236e-16L)
+  TEST_c_c (casinh, 0x1.0000000000001p0L, -0x1p-52L, 8.813735870195431822418551933572982483664e-1L, -1.570092458683774885078102529858632363236e-16L)
+  TEST_c_c (casinh, -0x1.0000000000001p0L, -0x1p-52L, -8.813735870195431822418551933572982483664e-1L, -1.570092458683774885078102529858632363236e-16L)
+  TEST_c_c (casinh, 0x1.fp-1025L, 0x1.0000000000001p0L, 2.107342425544701550354780375182800088393e-8L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.fp-1025L, -0x1.0000000000001p0L, 2.107342425544701550354780375182800088393e-8L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0x1.fp-1025L, 0x1.0000000000001p0L, -2.107342425544701550354780375182800088393e-8L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0x1.fp-1025L, -0x1.0000000000001p0L, -2.107342425544701550354780375182800088393e-8L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.0000000000001p0L, 0x1.fp-1025L, 8.813735870195431822418551933572895326024e-1L, 3.810492908885321320083608113679347200012e-309L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casinh, -0x1.0000000000001p0L, 0x1.fp-1025L, -8.813735870195431822418551933572895326024e-1L, 3.810492908885321320083608113679347200012e-309L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casinh, 0x1.0000000000001p0L, -0x1.fp-1025L, 8.813735870195431822418551933572895326024e-1L, -3.810492908885321320083608113679347200012e-309L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casinh, -0x1.0000000000001p0L, -0x1.fp-1025L, -8.813735870195431822418551933572895326024e-1L, -3.810492908885321320083608113679347200012e-309L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casinh, 0.0L, 0x1.0000000000001p0L, 2.107342425544701550354780375182800088393e-8L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0.0L, -0x1.0000000000001p0L, 2.107342425544701550354780375182800088393e-8L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, 0x1.0000000000001p0L, -2.107342425544701550354780375182800088393e-8L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, -0x1.0000000000001p0L, -2.107342425544701550354780375182800088393e-8L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.0000000000001p0L, 0.0L, 8.813735870195431822418551933572895326024e-1L, 0.0L)
+  TEST_c_c (casinh, -0x1.0000000000001p0L, 0.0L, -8.813735870195431822418551933572895326024e-1L, 0.0L)
+  TEST_c_c (casinh, 0x1.0000000000001p0L, -0.0L, 8.813735870195431822418551933572895326024e-1L, -0.0L)
+  TEST_c_c (casinh, -0x1.0000000000001p0L, -0.0L, -8.813735870195431822418551933572895326024e-1L, -0.0L)
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64
+  TEST_c_c (casinh, 0x1p-63L, 0x1.0000000000000002p0L, 5.116146586219826555037807251857670783420e-10L, 1.570796326582978888921215348380499122131L)
+  TEST_c_c (casinh, 0x1p-63L, -0x1.0000000000000002p0L, 5.116146586219826555037807251857670783420e-10L, -1.570796326582978888921215348380499122131L)
+  TEST_c_c (casinh, -0x1p-63L, 0x1.0000000000000002p0L, -5.116146586219826555037807251857670783420e-10L, 1.570796326582978888921215348380499122131L)
+  TEST_c_c (casinh, -0x1p-63L, -0x1.0000000000000002p0L, -5.116146586219826555037807251857670783420e-10L, -1.570796326582978888921215348380499122131L)
+  TEST_c_c (casinh, 0x1.0000000000000002p0L, 0x1p-63L, 8.813735870195430253092739958139610131001e-1L, 7.666467083416870406778649849746878368519e-20L)
+  TEST_c_c (casinh, -0x1.0000000000000002p0L, 0x1p-63L, -8.813735870195430253092739958139610131001e-1L, 7.666467083416870406778649849746878368519e-20L)
+  TEST_c_c (casinh, 0x1.0000000000000002p0L, -0x1p-63L, 8.813735870195430253092739958139610131001e-1L, -7.666467083416870406778649849746878368519e-20L)
+  TEST_c_c (casinh, -0x1.0000000000000002p0L, -0x1p-63L, -8.813735870195430253092739958139610131001e-1L, -7.666467083416870406778649849746878368519e-20L)
+# if LDBL_MIN_EXP <= -16381
+  TEST_c_c (casinh, 0x1.fp-16385L, 0x1.0000000000000002p0L, 4.656612873077392578082927418388212703712e-10L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.fp-16385L, -0x1.0000000000000002p0L, 4.656612873077392578082927418388212703712e-10L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0x1.fp-16385L, 0x1.0000000000000002p0L, -4.656612873077392578082927418388212703712e-10L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0x1.fp-16385L, -0x1.0000000000000002p0L, -4.656612873077392578082927418388212703712e-10L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.0000000000000002p0L, 0x1.fp-16385L, 8.813735870195430253092739958139610130980e-1L, 5.757683115456107043819140328235418018963e-4933L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casinh, -0x1.0000000000000002p0L, 0x1.fp-16385L, -8.813735870195430253092739958139610130980e-1L, 5.757683115456107043819140328235418018963e-4933L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casinh, 0x1.0000000000000002p0L, -0x1.fp-16385L, 8.813735870195430253092739958139610130980e-1L, -5.757683115456107043819140328235418018963e-4933L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casinh, -0x1.0000000000000002p0L, -0x1.fp-16385L, -8.813735870195430253092739958139610130980e-1L, -5.757683115456107043819140328235418018963e-4933L, UNDERFLOW_EXCEPTION)
+# endif
+  TEST_c_c (casinh, 0.0L, 0x1.0000000000000002p0L, 4.656612873077392578082927418388212703712e-10L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0.0L, -0x1.0000000000000002p0L, 4.656612873077392578082927418388212703712e-10L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, 0x1.0000000000000002p0L, -4.656612873077392578082927418388212703712e-10L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, -0x1.0000000000000002p0L, -4.656612873077392578082927418388212703712e-10L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.0000000000000002p0L, 0.0L, 8.813735870195430253092739958139610130980e-1L, 0.0L)
+  TEST_c_c (casinh, -0x1.0000000000000002p0L, 0.0L, -8.813735870195430253092739958139610130980e-1L, 0.0L)
+  TEST_c_c (casinh, 0x1.0000000000000002p0L, -0.0L, 8.813735870195430253092739958139610130980e-1L, -0.0L)
+  TEST_c_c (casinh, -0x1.0000000000000002p0L, -0.0L, -8.813735870195430253092739958139610130980e-1L, -0.0L)
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106
+  TEST_c_c (casinh, 0x1p-106L, 0x1.000000000000000000000000008p0L, 2.285028863093221674154232933662774454211e-16L, 1.570796326794896565289107467733682961928L)
+  TEST_c_c (casinh, 0x1p-106L, -0x1.000000000000000000000000008p0L, 2.285028863093221674154232933662774454211e-16L, -1.570796326794896565289107467733682961928L)
+  TEST_c_c (casinh, -0x1p-106L, 0x1.000000000000000000000000008p0L, -2.285028863093221674154232933662774454211e-16L, 1.570796326794896565289107467733682961928L)
+  TEST_c_c (casinh, -0x1p-106L, -0x1.000000000000000000000000008p0L, -2.285028863093221674154232933662774454211e-16L, -1.570796326794896565289107467733682961928L)
+  TEST_c_c (casinh, 0x1.000000000000000000000000008p0L, 0x1p-106L, 8.813735870195430252326093249798097405561e-1L, 8.715763992105246878957416200936726072500e-33L)
+  TEST_c_c (casinh, -0x1.000000000000000000000000008p0L, 0x1p-106L, -8.813735870195430252326093249798097405561e-1L, 8.715763992105246878957416200936726072500e-33L)
+  TEST_c_c (casinh, 0x1.000000000000000000000000008p0L, -0x1p-106L, 8.813735870195430252326093249798097405561e-1L, -8.715763992105246878957416200936726072500e-33L)
+  TEST_c_c (casinh, -0x1.000000000000000000000000008p0L, -0x1p-106L, -8.813735870195430252326093249798097405561e-1L, -8.715763992105246878957416200936726072500e-33L)
+  TEST_c_c (casinh, 0x1.fp-1025L, 0x1.000000000000000000000000008p0L, 2.220446049250313080847263336181636063482e-16L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.fp-1025L, -0x1.000000000000000000000000008p0L, 2.220446049250313080847263336181636063482e-16L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0x1.fp-1025L, 0x1.000000000000000000000000008p0L, -2.220446049250313080847263336181636063482e-16L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0x1.fp-1025L, -0x1.000000000000000000000000008p0L, -2.220446049250313080847263336181636063482e-16L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.000000000000000000000000008p0L, 0x1.fp-1025L, 8.813735870195430252326093249798097405561e-1L, 3.810492908885321743133304375216570658278e-309L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casinh, -0x1.000000000000000000000000008p0L, 0x1.fp-1025L, -8.813735870195430252326093249798097405561e-1L, 3.810492908885321743133304375216570658278e-309L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casinh, 0x1.000000000000000000000000008p0L, -0x1.fp-1025L, 8.813735870195430252326093249798097405561e-1L, -3.810492908885321743133304375216570658278e-309L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casinh, -0x1.000000000000000000000000008p0L, -0x1.fp-1025L, -8.813735870195430252326093249798097405561e-1L, -3.810492908885321743133304375216570658278e-309L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casinh, 0.0L, 0x1.000000000000000000000000008p0L, 2.220446049250313080847263336181636063482e-16L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0.0L, -0x1.000000000000000000000000008p0L, 2.220446049250313080847263336181636063482e-16L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, 0x1.000000000000000000000000008p0L, -2.220446049250313080847263336181636063482e-16L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, -0x1.000000000000000000000000008p0L, -2.220446049250313080847263336181636063482e-16L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.000000000000000000000000008p0L, 0.0L, 8.813735870195430252326093249798097405561e-1L, 0.0L)
+  TEST_c_c (casinh, -0x1.000000000000000000000000008p0L, 0.0L, -8.813735870195430252326093249798097405561e-1L, 0.0L)
+  TEST_c_c (casinh, 0x1.000000000000000000000000008p0L, -0.0L, 8.813735870195430252326093249798097405561e-1L, -0.0L)
+  TEST_c_c (casinh, -0x1.000000000000000000000000008p0L, -0.0L, -8.813735870195430252326093249798097405561e-1L, -0.0L)
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113
+  TEST_c_c (casinh, 0x1p-113L, 0x1.0000000000000000000000000001p0L, 2.019699255375255198156433710951064632386e-17L, 1.570796326794896614463458507897073960405L)
+  TEST_c_c (casinh, 0x1p-113L, -0x1.0000000000000000000000000001p0L, 2.019699255375255198156433710951064632386e-17L, -1.570796326794896614463458507897073960405L)
+  TEST_c_c (casinh, -0x1p-113L, 0x1.0000000000000000000000000001p0L, -2.019699255375255198156433710951064632386e-17L, 1.570796326794896614463458507897073960405L)
+  TEST_c_c (casinh, -0x1p-113L, -0x1.0000000000000000000000000001p0L, -2.019699255375255198156433710951064632386e-17L, -1.570796326794896614463458507897073960405L)
+  TEST_c_c (casinh, 0x1.0000000000000000000000000001p0L, 0x1p-113L, 8.813735870195430252326093249797924452120e-1L, 6.809190618832224124185481406981900518193e-35L)
+  TEST_c_c (casinh, -0x1.0000000000000000000000000001p0L, 0x1p-113L, -8.813735870195430252326093249797924452120e-1L, 6.809190618832224124185481406981900518193e-35L)
+  TEST_c_c (casinh, 0x1.0000000000000000000000000001p0L, -0x1p-113L, 8.813735870195430252326093249797924452120e-1L, -6.809190618832224124185481406981900518193e-35L)
+  TEST_c_c (casinh, -0x1.0000000000000000000000000001p0L, -0x1p-113L, -8.813735870195430252326093249797924452120e-1L, -6.809190618832224124185481406981900518193e-35L)
+  TEST_c_c (casinh, 0x1.fp-16385L, 0x1.0000000000000000000000000001p0L, 1.962615573354718824241727964954454332780e-17L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.fp-16385L, -0x1.0000000000000000000000000001p0L, 1.962615573354718824241727964954454332780e-17L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0x1.fp-16385L, 0x1.0000000000000000000000000001p0L, -1.962615573354718824241727964954454332780e-17L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0x1.fp-16385L, -0x1.0000000000000000000000000001p0L, -1.962615573354718824241727964954454332780e-17L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.0000000000000000000000000001p0L, 0x1.fp-16385L, 8.813735870195430252326093249797924452120e-1L, 5.757683115456107044131264955348448400014e-4933L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casinh, -0x1.0000000000000000000000000001p0L, 0x1.fp-16385L, -8.813735870195430252326093249797924452120e-1L, 5.757683115456107044131264955348448400014e-4933L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casinh, 0x1.0000000000000000000000000001p0L, -0x1.fp-16385L, 8.813735870195430252326093249797924452120e-1L, -5.757683115456107044131264955348448400014e-4933L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casinh, -0x1.0000000000000000000000000001p0L, -0x1.fp-16385L, -8.813735870195430252326093249797924452120e-1L, -5.757683115456107044131264955348448400014e-4933L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casinh, 0.0L, 0x1.0000000000000000000000000001p0L, 1.962615573354718824241727964954454332780e-17L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0.0L, -0x1.0000000000000000000000000001p0L, 1.962615573354718824241727964954454332780e-17L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, 0x1.0000000000000000000000000001p0L, -1.962615573354718824241727964954454332780e-17L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, -0x1.0000000000000000000000000001p0L, -1.962615573354718824241727964954454332780e-17L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.0000000000000000000000000001p0L, 0.0L, 8.813735870195430252326093249797924452120e-1L, 0.0L)
+  TEST_c_c (casinh, -0x1.0000000000000000000000000001p0L, 0.0L, -8.813735870195430252326093249797924452120e-1L, 0.0L)
+  TEST_c_c (casinh, 0x1.0000000000000000000000000001p0L, -0.0L, 8.813735870195430252326093249797924452120e-1L, -0.0L)
+  TEST_c_c (casinh, -0x1.0000000000000000000000000001p0L, -0.0L, -8.813735870195430252326093249797924452120e-1L, -0.0L)
+#endif
+
   TEST_c_c (casinh, 0.75L, 1.25L, 1.03171853444778027336364058631006594L, 0.911738290968487636358489564316731207L);
   TEST_c_c (casinh, -2, -3, -1.9686379257930962917886650952454982L, -0.96465850440760279204541105949953237L);
 
@@ -2034,25 +2683,25 @@ catan_test (void)
   TEST_c_c (catan, 0.5, plus_infty, M_PI_2l, 0);
   TEST_c_c (catan, -0.5, plus_infty, -M_PI_2l, 0);
 
-  TEST_c_c (catan, nan_value, 0.0, nan_value, 0);
-  TEST_c_c (catan, nan_value, minus_zero, nan_value, minus_zero);
+  TEST_c_c (catan, qnan_value, 0.0, qnan_value, 0);
+  TEST_c_c (catan, qnan_value, minus_zero, qnan_value, minus_zero);
 
-  TEST_c_c (catan, nan_value, plus_infty, nan_value, 0);
-  TEST_c_c (catan, nan_value, minus_infty, nan_value, minus_zero);
+  TEST_c_c (catan, qnan_value, plus_infty, qnan_value, 0);
+  TEST_c_c (catan, qnan_value, minus_infty, qnan_value, minus_zero);
 
-  TEST_c_c (catan, 0.0, nan_value, nan_value, nan_value);
-  TEST_c_c (catan, minus_zero, nan_value, nan_value, nan_value);
+  TEST_c_c (catan, 0.0, qnan_value, qnan_value, qnan_value);
+  TEST_c_c (catan, minus_zero, qnan_value, qnan_value, qnan_value);
 
-  TEST_c_c (catan, plus_infty, nan_value, M_PI_2l, 0, IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (catan, minus_infty, nan_value, -M_PI_2l, 0, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (catan, plus_infty, qnan_value, M_PI_2l, 0, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (catan, minus_infty, qnan_value, -M_PI_2l, 0, IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (catan, nan_value, 10.5, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (catan, nan_value, -10.5, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (catan, qnan_value, 10.5, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (catan, qnan_value, -10.5, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (catan, 0.75, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (catan, -0.75, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (catan, 0.75, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (catan, -0.75, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (catan, nan_value, nan_value, nan_value, nan_value);
+  TEST_c_c (catan, qnan_value, qnan_value, qnan_value, qnan_value);
 
   TEST_c_c (catan, 0.75L, 1.25L, 1.10714871779409050301706546017853704L, 0.549306144334054845697622618461262852L);
   TEST_c_c (catan, -2, -3, -1.4099210495965755225306193844604208L, -0.22907268296853876629588180294200276L);
@@ -2100,25 +2749,25 @@ catanh_test (void)
   TEST_c_c (catanh, plus_infty, 0.5, 0.0, M_PI_2l);
   TEST_c_c (catanh, plus_infty, -0.5, 0.0, -M_PI_2l);
 
-  TEST_c_c (catanh, 0, nan_value, 0.0, nan_value);
-  TEST_c_c (catanh, minus_zero, nan_value, minus_zero, nan_value);
+  TEST_c_c (catanh, 0, qnan_value, 0.0, qnan_value);
+  TEST_c_c (catanh, minus_zero, qnan_value, minus_zero, qnan_value);
 
-  TEST_c_c (catanh, plus_infty, nan_value, 0.0, nan_value);
-  TEST_c_c (catanh, minus_infty, nan_value, minus_zero, nan_value);
+  TEST_c_c (catanh, plus_infty, qnan_value, 0.0, qnan_value);
+  TEST_c_c (catanh, minus_infty, qnan_value, minus_zero, qnan_value);
 
-  TEST_c_c (catanh, nan_value, 0, nan_value, nan_value);
-  TEST_c_c (catanh, nan_value, minus_zero, nan_value, nan_value);
+  TEST_c_c (catanh, qnan_value, 0, qnan_value, qnan_value);
+  TEST_c_c (catanh, qnan_value, minus_zero, qnan_value, qnan_value);
 
-  TEST_c_c (catanh, nan_value, plus_infty, 0.0, M_PI_2l, IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (catanh, nan_value, minus_infty, 0.0, -M_PI_2l, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (catanh, qnan_value, plus_infty, 0.0, M_PI_2l, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (catanh, qnan_value, minus_infty, 0.0, -M_PI_2l, IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (catanh, 10.5, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (catanh, -10.5, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (catanh, 10.5, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (catanh, -10.5, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (catanh, nan_value, 0.75, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (catanh, nan_value, -0.75, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (catanh, qnan_value, 0.75, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (catanh, qnan_value, -0.75, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (catanh, nan_value, nan_value, nan_value, nan_value);
+  TEST_c_c (catanh, qnan_value, qnan_value, qnan_value, qnan_value);
 
   TEST_c_c (catanh, 0.75L, 1.25L, 0.261492138795671927078652057366532140L, 0.996825126463918666098902241310446708L);
   TEST_c_c (catanh, -2, -3, -0.14694666622552975204743278515471595L, -1.3389725222944935611241935759091443L);
@@ -2142,7 +2791,7 @@ cbrt_test (void)
 
   TEST_f_f (cbrt, plus_infty, plus_infty);
   TEST_f_f (cbrt, minus_infty, minus_infty);
-  TEST_f_f (cbrt, nan_value, nan_value);
+  TEST_f_f (cbrt, qnan_value, qnan_value);
 
   TEST_f_f (cbrt, -0.001L, -0.1L);
   TEST_f_f (cbrt, 8, 2);
@@ -2170,50 +2819,50 @@ ccos_test (void)
   TEST_c_c (ccos, 0.0, minus_zero, 1.0, 0.0);
   TEST_c_c (ccos, minus_zero, minus_zero, 1.0, minus_zero);
 
-  TEST_c_c (ccos, plus_infty, 0.0, nan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (ccos, plus_infty, minus_zero, nan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (ccos, minus_infty, 0.0, nan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (ccos, minus_infty, minus_zero, nan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ccos, plus_infty, 0.0, qnan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ccos, plus_infty, minus_zero, qnan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ccos, minus_infty, 0.0, qnan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ccos, minus_infty, minus_zero, qnan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
 
   TEST_c_c (ccos, 0.0, plus_infty, plus_infty, minus_zero);
   TEST_c_c (ccos, 0.0, minus_infty, plus_infty, 0.0);
   TEST_c_c (ccos, minus_zero, plus_infty, plus_infty, 0.0);
   TEST_c_c (ccos, minus_zero, minus_infty, plus_infty, minus_zero);
 
-  TEST_c_c (ccos, plus_infty, plus_infty, plus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ccos, minus_infty, plus_infty, plus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ccos, plus_infty, minus_infty, plus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ccos, minus_infty, minus_infty, plus_infty, nan_value, INVALID_EXCEPTION);
+  TEST_c_c (ccos, plus_infty, plus_infty, plus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ccos, minus_infty, plus_infty, plus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ccos, plus_infty, minus_infty, plus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ccos, minus_infty, minus_infty, plus_infty, qnan_value, INVALID_EXCEPTION);
 
   TEST_c_c (ccos, 4.625, plus_infty, minus_infty, plus_infty);
   TEST_c_c (ccos, 4.625, minus_infty, minus_infty, minus_infty);
   TEST_c_c (ccos, -4.625, plus_infty, minus_infty, minus_infty);
   TEST_c_c (ccos, -4.625, minus_infty, minus_infty, plus_infty);
 
-  TEST_c_c (ccos, plus_infty, 6.75, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ccos, plus_infty, -6.75, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ccos, minus_infty, 6.75, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ccos, minus_infty, -6.75, nan_value, nan_value, INVALID_EXCEPTION);
+  TEST_c_c (ccos, plus_infty, 6.75, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ccos, plus_infty, -6.75, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ccos, minus_infty, 6.75, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ccos, minus_infty, -6.75, qnan_value, qnan_value, INVALID_EXCEPTION);
 
-  TEST_c_c (ccos, nan_value, 0.0, nan_value, 0.0, IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (ccos, nan_value, minus_zero, nan_value, 0.0, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ccos, qnan_value, 0.0, qnan_value, 0.0, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ccos, qnan_value, minus_zero, qnan_value, 0.0, IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (ccos, nan_value, plus_infty, plus_infty, nan_value);
-  TEST_c_c (ccos, nan_value, minus_infty, plus_infty, nan_value);
+  TEST_c_c (ccos, qnan_value, plus_infty, plus_infty, qnan_value);
+  TEST_c_c (ccos, qnan_value, minus_infty, plus_infty, qnan_value);
 
-  TEST_c_c (ccos, nan_value, 9.0, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (ccos, nan_value, -9.0, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ccos, qnan_value, 9.0, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ccos, qnan_value, -9.0, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (ccos, 0.0, nan_value, nan_value, 0.0, IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (ccos, minus_zero, nan_value, nan_value, 0.0, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ccos, 0.0, qnan_value, qnan_value, 0.0, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ccos, minus_zero, qnan_value, qnan_value, 0.0, IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (ccos, 10.0, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (ccos, -10.0, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ccos, 10.0, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ccos, -10.0, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (ccos, plus_infty, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (ccos, minus_infty, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ccos, plus_infty, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ccos, minus_infty, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (ccos, nan_value, nan_value, nan_value, nan_value);
+  TEST_c_c (ccos, qnan_value, qnan_value, qnan_value, qnan_value);
 
   TEST_c_c (ccos, 0.75L, 1.25L, 1.38173873063425888530729933139078645L, -1.09193013555397466170919531722024128L);
   TEST_c_c (ccos, -2, -3, -4.18962569096880723013255501961597373L, -9.10922789375533659797919726277886212L);
@@ -2269,50 +2918,50 @@ ccosh_test (void)
   TEST_c_c (ccosh, 0.0, minus_zero, 1.0, minus_zero);
   TEST_c_c (ccosh, minus_zero, minus_zero, 1.0, 0.0);
 
-  TEST_c_c (ccosh, 0.0, plus_infty, nan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (ccosh, minus_zero, plus_infty, nan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (ccosh, 0.0, minus_infty, nan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (ccosh, minus_zero, minus_infty, nan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ccosh, 0.0, plus_infty, qnan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ccosh, minus_zero, plus_infty, qnan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ccosh, 0.0, minus_infty, qnan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ccosh, minus_zero, minus_infty, qnan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
 
   TEST_c_c (ccosh, plus_infty, 0.0, plus_infty, 0.0);
   TEST_c_c (ccosh, minus_infty, 0.0, plus_infty, minus_zero);
   TEST_c_c (ccosh, plus_infty, minus_zero, plus_infty, minus_zero);
   TEST_c_c (ccosh, minus_infty, minus_zero, plus_infty, 0.0);
 
-  TEST_c_c (ccosh, plus_infty, plus_infty, plus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ccosh, minus_infty, plus_infty, plus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ccosh, plus_infty, minus_infty, plus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ccosh, minus_infty, minus_infty, plus_infty, nan_value, INVALID_EXCEPTION);
+  TEST_c_c (ccosh, plus_infty, plus_infty, plus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ccosh, minus_infty, plus_infty, plus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ccosh, plus_infty, minus_infty, plus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ccosh, minus_infty, minus_infty, plus_infty, qnan_value, INVALID_EXCEPTION);
 
   TEST_c_c (ccosh, plus_infty, 4.625, minus_infty, minus_infty);
   TEST_c_c (ccosh, minus_infty, 4.625, minus_infty, plus_infty);
   TEST_c_c (ccosh, plus_infty, -4.625, minus_infty, plus_infty);
   TEST_c_c (ccosh, minus_infty, -4.625, minus_infty, minus_infty);
 
-  TEST_c_c (ccosh, 6.75, plus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ccosh, -6.75, plus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ccosh, 6.75, minus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ccosh, -6.75, minus_infty, nan_value, nan_value, INVALID_EXCEPTION);
+  TEST_c_c (ccosh, 6.75, plus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ccosh, -6.75, plus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ccosh, 6.75, minus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ccosh, -6.75, minus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
 
-  TEST_c_c (ccosh, 0.0, nan_value, nan_value, 0.0, IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (ccosh, minus_zero, nan_value, nan_value, 0.0, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ccosh, 0.0, qnan_value, qnan_value, 0.0, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ccosh, minus_zero, qnan_value, qnan_value, 0.0, IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (ccosh, plus_infty, nan_value, plus_infty, nan_value);
-  TEST_c_c (ccosh, minus_infty, nan_value, plus_infty, nan_value);
+  TEST_c_c (ccosh, plus_infty, qnan_value, plus_infty, qnan_value);
+  TEST_c_c (ccosh, minus_infty, qnan_value, plus_infty, qnan_value);
 
-  TEST_c_c (ccosh, 9.0, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (ccosh, -9.0, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ccosh, 9.0, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ccosh, -9.0, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (ccosh, nan_value, 0.0, nan_value, 0.0, IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (ccosh, nan_value, minus_zero, nan_value, 0.0, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ccosh, qnan_value, 0.0, qnan_value, 0.0, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ccosh, qnan_value, minus_zero, qnan_value, 0.0, IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (ccosh, nan_value, 10.0, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (ccosh, nan_value, -10.0, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ccosh, qnan_value, 10.0, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ccosh, qnan_value, -10.0, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (ccosh, nan_value, plus_infty, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (ccosh, nan_value, minus_infty, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ccosh, qnan_value, plus_infty, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ccosh, qnan_value, minus_infty, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (ccosh, nan_value, nan_value, nan_value, nan_value);
+  TEST_c_c (ccosh, qnan_value, qnan_value, qnan_value, qnan_value);
 
   TEST_c_c (ccosh, 0.75L, 1.25L, 0.408242591877968807788852146397499084L, 0.780365930845853240391326216300863152L);
 
@@ -2362,7 +3011,7 @@ ceil_test (void)
   TEST_f_f (ceil, minus_zero, minus_zero);
   TEST_f_f (ceil, plus_infty, plus_infty);
   TEST_f_f (ceil, minus_infty, minus_infty);
-  TEST_f_f (ceil, nan_value, nan_value);
+  TEST_f_f (ceil, qnan_value, qnan_value);
 
   TEST_f_f (ceil, M_PIl, 4.0);
   TEST_f_f (ceil, -M_PIl, -3.0);
@@ -2469,40 +3118,40 @@ cexp_test (void)
   TEST_c_c (cexp, minus_infty, plus_zero, 0.0, 0.0);
   TEST_c_c (cexp, minus_infty, minus_zero, 0.0, minus_zero);
 
-  TEST_c_c (cexp, 0.0, plus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (cexp, minus_zero, plus_infty, nan_value, nan_value, INVALID_EXCEPTION);
+  TEST_c_c (cexp, 0.0, plus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (cexp, minus_zero, plus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
 
-  TEST_c_c (cexp, 0.0, minus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (cexp, minus_zero, minus_infty, nan_value, nan_value, INVALID_EXCEPTION);
+  TEST_c_c (cexp, 0.0, minus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (cexp, minus_zero, minus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
 
-  TEST_c_c (cexp, 100.0, plus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (cexp, -100.0, plus_infty, nan_value, nan_value, INVALID_EXCEPTION);
+  TEST_c_c (cexp, 100.0, plus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (cexp, -100.0, plus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
 
-  TEST_c_c (cexp, 100.0, minus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (cexp, -100.0, minus_infty, nan_value, nan_value, INVALID_EXCEPTION);
+  TEST_c_c (cexp, 100.0, minus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (cexp, -100.0, minus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
 
   TEST_c_c (cexp, minus_infty, 2.0, minus_zero, 0.0);
   TEST_c_c (cexp, minus_infty, 4.0, minus_zero, minus_zero);
   TEST_c_c (cexp, plus_infty, 2.0, minus_infty, plus_infty);
   TEST_c_c (cexp, plus_infty, 4.0, minus_infty, minus_infty);
 
-  TEST_c_c (cexp, plus_infty, plus_infty, plus_infty, nan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (cexp, plus_infty, minus_infty, plus_infty, nan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (cexp, plus_infty, plus_infty, plus_infty, qnan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (cexp, plus_infty, minus_infty, plus_infty, qnan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
 
   TEST_c_c (cexp, minus_infty, plus_infty, 0.0, 0.0, IGNORE_ZERO_INF_SIGN);
   TEST_c_c (cexp, minus_infty, minus_infty, 0.0, minus_zero, IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (cexp, minus_infty, nan_value, 0, 0, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (cexp, minus_infty, qnan_value, 0, 0, IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (cexp, plus_infty, nan_value, plus_infty, nan_value);
+  TEST_c_c (cexp, plus_infty, qnan_value, plus_infty, qnan_value);
 
-  TEST_c_c (cexp, nan_value, 0.0, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (cexp, nan_value, 1.0, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (cexp, qnan_value, 0.0, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (cexp, qnan_value, 1.0, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (cexp, nan_value, plus_infty, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (cexp, 0, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (cexp, 1, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (cexp, nan_value, nan_value, nan_value, nan_value);
+  TEST_c_c (cexp, qnan_value, plus_infty, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (cexp, 0, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (cexp, 1, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (cexp, qnan_value, qnan_value, qnan_value, qnan_value);
 
   TEST_c_c (cexp, 0.75L, 1.25L, 0.667537446429131586942201977015932112L, 2.00900045494094876258347228145863909L);
   TEST_c_c (cexp, -2.0, -3.0, -0.13398091492954261346140525546115575L, -0.019098516261135196432576240858800925L);
@@ -2561,8 +3210,8 @@ cimag_test (void)
   START (cimag);
   TEST_c_f (cimag, 1.0, 0.0, 0.0);
   TEST_c_f (cimag, 1.0, minus_zero, minus_zero);
-  TEST_c_f (cimag, 1.0, nan_value, nan_value);
-  TEST_c_f (cimag, nan_value, nan_value, nan_value);
+  TEST_c_f (cimag, 1.0, qnan_value, qnan_value);
+  TEST_c_f (cimag, qnan_value, qnan_value, qnan_value);
   TEST_c_f (cimag, 1.0, plus_infty, plus_infty);
   TEST_c_f (cimag, 1.0, minus_infty, minus_infty);
   TEST_c_f (cimag, 2.0, 3.0, 3.0);
@@ -2612,23 +3261,23 @@ clog_test (void)
   TEST_c_c (clog, plus_infty, minus_zero, plus_infty, minus_zero);
   TEST_c_c (clog, plus_infty, -1, plus_infty, minus_zero);
 
-  TEST_c_c (clog, plus_infty, nan_value, plus_infty, nan_value);
-  TEST_c_c (clog, minus_infty, nan_value, plus_infty, nan_value);
+  TEST_c_c (clog, plus_infty, qnan_value, plus_infty, qnan_value);
+  TEST_c_c (clog, minus_infty, qnan_value, plus_infty, qnan_value);
 
-  TEST_c_c (clog, nan_value, plus_infty, plus_infty, nan_value);
-  TEST_c_c (clog, nan_value, minus_infty, plus_infty, nan_value);
+  TEST_c_c (clog, qnan_value, plus_infty, plus_infty, qnan_value);
+  TEST_c_c (clog, qnan_value, minus_infty, plus_infty, qnan_value);
 
-  TEST_c_c (clog, 0, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (clog, 3, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (clog, minus_zero, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (clog, -3, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (clog, 0, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (clog, 3, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (clog, minus_zero, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (clog, -3, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (clog, nan_value, 0, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (clog, nan_value, 5, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (clog, nan_value, minus_zero, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (clog, nan_value, -5, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (clog, qnan_value, 0, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (clog, qnan_value, 5, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (clog, qnan_value, minus_zero, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (clog, qnan_value, -5, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (clog, nan_value, nan_value, nan_value, nan_value);
+  TEST_c_c (clog, qnan_value, qnan_value, qnan_value, qnan_value);
 
   TEST_c_c (clog, 0.75L, 1.25L, 0.376885901188190075998919126749298416L, 1.03037682652431246378774332703115153L);
   TEST_c_c (clog, -2, -3, 1.2824746787307683680267437207826593L, -2.1587989303424641704769327722648368L);
@@ -2832,23 +3481,23 @@ clog10_test (void)
   TEST_c_c (clog10, plus_infty, minus_zero, plus_infty, minus_zero);
   TEST_c_c (clog10, plus_infty, -1, plus_infty, minus_zero);
 
-  TEST_c_c (clog10, plus_infty, nan_value, plus_infty, nan_value);
-  TEST_c_c (clog10, minus_infty, nan_value, plus_infty, nan_value);
+  TEST_c_c (clog10, plus_infty, qnan_value, plus_infty, qnan_value);
+  TEST_c_c (clog10, minus_infty, qnan_value, plus_infty, qnan_value);
 
-  TEST_c_c (clog10, nan_value, plus_infty, plus_infty, nan_value);
-  TEST_c_c (clog10, nan_value, minus_infty, plus_infty, nan_value);
+  TEST_c_c (clog10, qnan_value, plus_infty, plus_infty, qnan_value);
+  TEST_c_c (clog10, qnan_value, minus_infty, plus_infty, qnan_value);
 
-  TEST_c_c (clog10, 0, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (clog10, 3, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (clog10, minus_zero, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (clog10, -3, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (clog10, 0, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (clog10, 3, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (clog10, minus_zero, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (clog10, -3, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (clog10, nan_value, 0, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (clog10, nan_value, 5, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (clog10, nan_value, minus_zero, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (clog10, nan_value, -5, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (clog10, qnan_value, 0, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (clog10, qnan_value, 5, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (clog10, qnan_value, minus_zero, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (clog10, qnan_value, -5, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (clog10, nan_value, nan_value, nan_value, nan_value);
+  TEST_c_c (clog10, qnan_value, qnan_value, qnan_value, qnan_value);
 
   TEST_c_c (clog10, 0.75L, 1.25L, 0.163679467193165171449476605077428975L, 0.447486970040493067069984724340855636L);
   TEST_c_c (clog10, -2, -3, 0.556971676153418384603252578971164214L, -0.937554462986374708541507952140189646L);
@@ -3017,7 +3666,7 @@ conj_test (void)
   START (conj);
   TEST_c_c (conj, 0.0, 0.0, 0.0, minus_zero);
   TEST_c_c (conj, 0.0, minus_zero, 0.0, 0.0);
-  TEST_c_c (conj, nan_value, nan_value, nan_value, nan_value);
+  TEST_c_c (conj, qnan_value, qnan_value, qnan_value, qnan_value);
   TEST_c_c (conj, plus_infty, minus_infty, plus_infty, plus_infty);
   TEST_c_c (conj, plus_infty, plus_infty, plus_infty, minus_infty);
   TEST_c_c (conj, 1.0, 2.0, 1.0, -2.0);
@@ -3048,10 +3697,10 @@ copysign_test (void)
   TEST_ff_f (copysign, minus_zero, minus_zero, minus_zero);
 
   /* XXX More correctly we would have to check the sign of the NaN.  */
-  TEST_ff_f (copysign, nan_value, 0, nan_value);
-  TEST_ff_f (copysign, nan_value, minus_zero, nan_value);
-  TEST_ff_f (copysign, -nan_value, 0, nan_value);
-  TEST_ff_f (copysign, -nan_value, minus_zero, nan_value);
+  TEST_ff_f (copysign, qnan_value, 0, qnan_value);
+  TEST_ff_f (copysign, qnan_value, minus_zero, qnan_value);
+  TEST_ff_f (copysign, -qnan_value, 0, qnan_value);
+  TEST_ff_f (copysign, -qnan_value, minus_zero, qnan_value);
 
   END (copysign);
 }
@@ -3071,14 +3720,14 @@ cos_test (void)
   TEST_f_f (cos, 0, 1);
   TEST_f_f (cos, minus_zero, 1);
   errno = 0;
-  TEST_f_f (cos, plus_infty, nan_value, INVALID_EXCEPTION);
+  TEST_f_f (cos, plus_infty, qnan_value, INVALID_EXCEPTION);
   check_int ("errno for cos(+inf) == EDOM", errno, EDOM, 0, 0, 0);
   errno = 0;
-  TEST_f_f (cos, minus_infty, nan_value, INVALID_EXCEPTION);
+  TEST_f_f (cos, minus_infty, qnan_value, INVALID_EXCEPTION);
   check_int ("errno for cos(-inf) == EDOM", errno, EDOM, 0, 0, 0);
   errno = 0;
-  TEST_f_f (cos, nan_value, nan_value);
-  check_int ("errno for cos(NaN) unchanged", errno, 0, 0, 0, 0);
+  TEST_f_f (cos, qnan_value, qnan_value);
+  check_int ("errno for cos(qNaN) unchanged", errno, 0, 0, 0, 0);
 
   TEST_f_f (cos, M_PI_6l * 2.0, 0.5);
   TEST_f_f (cos, M_PI_6l * 4.0, -0.5);
@@ -3268,7 +3917,7 @@ cosh_test (void)
   TEST_f_f (cosh, plus_infty, plus_infty);
   TEST_f_f (cosh, minus_infty, plus_infty);
 #endif
-  TEST_f_f (cosh, nan_value, nan_value);
+  TEST_f_f (cosh, qnan_value, qnan_value);
 
   TEST_f_f (cosh, 0.75L, 1.29468328467684468784170818539018176L);
 
@@ -3406,7 +4055,7 @@ cpow_test (void)
   TEST_cc_c (cpow, M_El, 0, 0, 2 * M_PIl, 1.0, 0.0);
   TEST_cc_c (cpow, 2, 3, 4, 0, -119.0, -120.0);
 
-  TEST_cc_c (cpow, nan_value, nan_value, nan_value, nan_value, nan_value, nan_value);
+  TEST_cc_c (cpow, qnan_value, qnan_value, qnan_value, qnan_value, qnan_value, qnan_value);
 
   TEST_cc_c (cpow, 0.75L, 1.25L, 0.75L, 1.25L, 0.117506293914473555420279832210420483L, 0.346552747708338676483025352060418001L);
   TEST_cc_c (cpow, 0.75L, 1.25L, 1.0L, 1.0L, 0.0846958290317209430433805274189191353L, 0.513285749182902449043287190519090481L);
@@ -3426,7 +4075,7 @@ cproj_test (void)
   TEST_c_c (cproj, 0.0, minus_zero, 0.0, minus_zero);
   TEST_c_c (cproj, minus_zero, 0.0, minus_zero, 0.0);
 
-  TEST_c_c (cproj, nan_value, nan_value, nan_value, nan_value);
+  TEST_c_c (cproj, qnan_value, qnan_value, qnan_value, qnan_value);
 
   TEST_c_c (cproj, plus_infty, plus_infty, plus_infty, 0.0);
   TEST_c_c (cproj, plus_infty, minus_infty, plus_infty, minus_zero);
@@ -3446,8 +4095,8 @@ creal_test (void)
   START (creal);
   TEST_c_f (creal, 0.0, 1.0, 0.0);
   TEST_c_f (creal, minus_zero, 1.0, minus_zero);
-  TEST_c_f (creal, nan_value, 1.0, nan_value);
-  TEST_c_f (creal, nan_value, nan_value, nan_value);
+  TEST_c_f (creal, qnan_value, 1.0, qnan_value);
+  TEST_c_f (creal, qnan_value, qnan_value, qnan_value);
   TEST_c_f (creal, plus_infty, 1.0, plus_infty);
   TEST_c_f (creal, minus_infty, 1.0, minus_infty);
   TEST_c_f (creal, 2.0, 3.0, 2.0);
@@ -3476,45 +4125,45 @@ csin_test (void)
   TEST_c_c (csin, 0.0, minus_infty, 0.0, minus_infty);
   TEST_c_c (csin, minus_zero, minus_infty, minus_zero, minus_infty);
 
-  TEST_c_c (csin, plus_infty, 0.0, nan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (csin, minus_infty, 0.0, nan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (csin, plus_infty, minus_zero, nan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (csin, minus_infty, minus_zero, nan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csin, plus_infty, 0.0, qnan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csin, minus_infty, 0.0, qnan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csin, plus_infty, minus_zero, qnan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csin, minus_infty, minus_zero, qnan_value, 0.0, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (csin, plus_infty, plus_infty, nan_value, plus_infty, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (csin, minus_infty, plus_infty, nan_value, plus_infty, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (csin, plus_infty, minus_infty, nan_value, plus_infty, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (csin, minus_infty, minus_infty, nan_value, plus_infty, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csin, plus_infty, plus_infty, qnan_value, plus_infty, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csin, minus_infty, plus_infty, qnan_value, plus_infty, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csin, plus_infty, minus_infty, qnan_value, plus_infty, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csin, minus_infty, minus_infty, qnan_value, plus_infty, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (csin, plus_infty, 6.75, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (csin, plus_infty, -6.75, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (csin, minus_infty, 6.75, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (csin, minus_infty, -6.75,  nan_value, nan_value, INVALID_EXCEPTION);
+  TEST_c_c (csin, plus_infty, 6.75, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (csin, plus_infty, -6.75, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (csin, minus_infty, 6.75, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (csin, minus_infty, -6.75,  qnan_value, qnan_value, INVALID_EXCEPTION);
 
   TEST_c_c (csin, 4.625, plus_infty, minus_infty, minus_infty);
   TEST_c_c (csin, 4.625, minus_infty, minus_infty, plus_infty);
   TEST_c_c (csin, -4.625, plus_infty, plus_infty, minus_infty);
   TEST_c_c (csin, -4.625, minus_infty, plus_infty, plus_infty);
 
-  TEST_c_c (csin, nan_value, 0.0, nan_value, 0.0, IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (csin, nan_value, minus_zero, nan_value, 0.0, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csin, qnan_value, 0.0, qnan_value, 0.0, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csin, qnan_value, minus_zero, qnan_value, 0.0, IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (csin, nan_value, plus_infty, nan_value, plus_infty, IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (csin, nan_value, minus_infty, nan_value, plus_infty, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csin, qnan_value, plus_infty, qnan_value, plus_infty, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csin, qnan_value, minus_infty, qnan_value, plus_infty, IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (csin, nan_value, 9.0, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (csin, nan_value, -9.0, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csin, qnan_value, 9.0, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csin, qnan_value, -9.0, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (csin, 0.0, nan_value, 0.0, nan_value);
-  TEST_c_c (csin, minus_zero, nan_value, minus_zero, nan_value);
+  TEST_c_c (csin, 0.0, qnan_value, 0.0, qnan_value);
+  TEST_c_c (csin, minus_zero, qnan_value, minus_zero, qnan_value);
 
-  TEST_c_c (csin, 10.0, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (csin, nan_value, -10.0, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csin, 10.0, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csin, qnan_value, -10.0, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (csin, plus_infty, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (csin, minus_infty, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csin, plus_infty, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csin, minus_infty, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (csin, nan_value, nan_value, nan_value, nan_value);
+  TEST_c_c (csin, qnan_value, qnan_value, qnan_value, qnan_value);
 
   TEST_c_c (csin, 0.75L, 1.25L, 1.28722291002649188575873510790565441L, 1.17210635989270256101081285116138863L);
   TEST_c_c (csin, -2, -3, -9.15449914691142957346729954460983256L, 4.16890695996656435075481305885375484L);
@@ -3570,50 +4219,50 @@ csinh_test (void)
   TEST_c_c (csinh, 0.0, minus_zero, 0.0, minus_zero);
   TEST_c_c (csinh, minus_zero, minus_zero, minus_zero, minus_zero);
 
-  TEST_c_c (csinh, 0.0, plus_infty, 0.0, nan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (csinh, minus_zero, plus_infty, 0.0, nan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (csinh, 0.0, minus_infty, 0.0, nan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (csinh, minus_zero, minus_infty, 0.0, nan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csinh, 0.0, plus_infty, 0.0, qnan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csinh, minus_zero, plus_infty, 0.0, qnan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csinh, 0.0, minus_infty, 0.0, qnan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csinh, minus_zero, minus_infty, 0.0, qnan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
 
   TEST_c_c (csinh, plus_infty, 0.0, plus_infty, 0.0);
   TEST_c_c (csinh, minus_infty, 0.0, minus_infty, 0.0);
   TEST_c_c (csinh, plus_infty, minus_zero, plus_infty, minus_zero);
   TEST_c_c (csinh, minus_infty, minus_zero, minus_infty, minus_zero);
 
-  TEST_c_c (csinh, plus_infty, plus_infty, plus_infty, nan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (csinh, minus_infty, plus_infty, plus_infty, nan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (csinh, plus_infty, minus_infty, plus_infty, nan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (csinh, minus_infty, minus_infty, plus_infty, nan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csinh, plus_infty, plus_infty, plus_infty, qnan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csinh, minus_infty, plus_infty, plus_infty, qnan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csinh, plus_infty, minus_infty, plus_infty, qnan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csinh, minus_infty, minus_infty, plus_infty, qnan_value, INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN);
 
   TEST_c_c (csinh, plus_infty, 4.625, minus_infty, minus_infty);
   TEST_c_c (csinh, minus_infty, 4.625, plus_infty, minus_infty);
   TEST_c_c (csinh, plus_infty, -4.625, minus_infty, plus_infty);
   TEST_c_c (csinh, minus_infty, -4.625, plus_infty, plus_infty);
 
-  TEST_c_c (csinh, 6.75, plus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (csinh, -6.75, plus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (csinh, 6.75, minus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (csinh, -6.75, minus_infty, nan_value, nan_value, INVALID_EXCEPTION);
+  TEST_c_c (csinh, 6.75, plus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (csinh, -6.75, plus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (csinh, 6.75, minus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (csinh, -6.75, minus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
 
-  TEST_c_c (csinh, 0.0, nan_value, 0.0, nan_value, IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (csinh, minus_zero, nan_value, 0.0, nan_value, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csinh, 0.0, qnan_value, 0.0, qnan_value, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csinh, minus_zero, qnan_value, 0.0, qnan_value, IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (csinh, plus_infty, nan_value, plus_infty, nan_value, IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (csinh, minus_infty, nan_value, plus_infty, nan_value, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csinh, plus_infty, qnan_value, plus_infty, qnan_value, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csinh, minus_infty, qnan_value, plus_infty, qnan_value, IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (csinh, 9.0, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (csinh, -9.0, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csinh, 9.0, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csinh, -9.0, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (csinh, nan_value, 0.0, nan_value, 0.0);
-  TEST_c_c (csinh, nan_value, minus_zero, nan_value, minus_zero);
+  TEST_c_c (csinh, qnan_value, 0.0, qnan_value, 0.0);
+  TEST_c_c (csinh, qnan_value, minus_zero, qnan_value, minus_zero);
 
-  TEST_c_c (csinh, nan_value, 10.0, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (csinh, nan_value, -10.0, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csinh, qnan_value, 10.0, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csinh, qnan_value, -10.0, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (csinh, nan_value, plus_infty, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (csinh, nan_value, minus_infty, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csinh, qnan_value, plus_infty, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csinh, qnan_value, minus_infty, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (csinh, nan_value, nan_value, nan_value, nan_value);
+  TEST_c_c (csinh, qnan_value, qnan_value, qnan_value, qnan_value);
 
   TEST_c_c (csinh, 0.75L, 1.25L, 0.259294854551162779153349830618433028L, 1.22863452409509552219214606515777594L);
   TEST_c_c (csinh, -2, -3, 3.59056458998577995201256544779481679L, -0.530921086248519805267040090660676560L);
@@ -3692,21 +4341,21 @@ csqrt_test (void)
   TEST_c_c (csqrt, -4, minus_infty, plus_infty, minus_infty);
   TEST_c_c (csqrt, minus_infty, minus_infty, plus_infty, minus_infty);
 
-  TEST_c_c (csqrt, minus_infty, nan_value, nan_value, plus_infty, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (csqrt, minus_infty, qnan_value, qnan_value, plus_infty, IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (csqrt, plus_infty, nan_value, plus_infty, nan_value);
+  TEST_c_c (csqrt, plus_infty, qnan_value, plus_infty, qnan_value);
 
-  TEST_c_c (csqrt, 0, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (csqrt, 1, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (csqrt, minus_zero, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (csqrt, -1, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csqrt, 0, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csqrt, 1, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csqrt, minus_zero, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csqrt, -1, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (csqrt, nan_value, 0, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (csqrt, nan_value, 8, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (csqrt, nan_value, minus_zero, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (csqrt, nan_value, -8, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csqrt, qnan_value, 0, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csqrt, qnan_value, 8, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csqrt, qnan_value, minus_zero, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (csqrt, qnan_value, -8, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (csqrt, nan_value, nan_value, nan_value, nan_value);
+  TEST_c_c (csqrt, qnan_value, qnan_value, qnan_value, qnan_value);
 
   TEST_c_c (csqrt, 16.0, -30.0, 5.0, -3.0);
   TEST_c_c (csqrt, -1, 0, 0.0, 1.0);
@@ -3800,30 +4449,30 @@ ctan_test (void)
   TEST_c_c (ctan, minus_zero, minus_infty, minus_zero, -1.0);
   TEST_c_c (ctan, -1, minus_infty, minus_zero, -1.0);
 
-  TEST_c_c (ctan, plus_infty, 0, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ctan, plus_infty, 2, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ctan, minus_infty, 0, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ctan, minus_infty, 2, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ctan, plus_infty, minus_zero, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ctan, plus_infty, -2, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ctan, minus_infty, minus_zero, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ctan, minus_infty, -2, nan_value, nan_value, INVALID_EXCEPTION);
+  TEST_c_c (ctan, plus_infty, 0, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ctan, plus_infty, 2, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ctan, minus_infty, 0, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ctan, minus_infty, 2, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ctan, plus_infty, minus_zero, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ctan, plus_infty, -2, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ctan, minus_infty, minus_zero, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ctan, minus_infty, -2, qnan_value, qnan_value, INVALID_EXCEPTION);
 
-  TEST_c_c (ctan, nan_value, plus_infty, 0.0, 1.0, IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (ctan, nan_value, minus_infty, 0.0, -1.0, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ctan, qnan_value, plus_infty, 0.0, 1.0, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ctan, qnan_value, minus_infty, 0.0, -1.0, IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (ctan, 0, nan_value, 0.0, nan_value);
-  TEST_c_c (ctan, minus_zero, nan_value, minus_zero, nan_value);
+  TEST_c_c (ctan, 0, qnan_value, 0.0, qnan_value);
+  TEST_c_c (ctan, minus_zero, qnan_value, minus_zero, qnan_value);
 
-  TEST_c_c (ctan, 0.5, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (ctan, -4.5, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ctan, 0.5, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ctan, -4.5, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (ctan, nan_value, 0, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (ctan, nan_value, 5, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (ctan, nan_value, minus_zero, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (ctan, nan_value, -0.25, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ctan, qnan_value, 0, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ctan, qnan_value, 5, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ctan, qnan_value, minus_zero, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ctan, qnan_value, -0.25, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (ctan, nan_value, nan_value, nan_value, nan_value);
+  TEST_c_c (ctan, qnan_value, qnan_value, qnan_value, qnan_value);
 
   TEST_c_c (ctan, 0.75L, 1.25L, 0.160807785916206426725166058173438663L, 0.975363285031235646193581759755216379L);
   TEST_c_c (ctan, -2, -3, 0.376402564150424829275122113032269084e-2L, -1.00323862735360980144635859782192726L);
@@ -4019,30 +4668,30 @@ ctanh_test (void)
   TEST_c_c (ctanh, minus_infty, minus_zero, -1.0, minus_zero);
   TEST_c_c (ctanh, minus_infty, -1, -1.0, minus_zero);
 
-  TEST_c_c (ctanh, 0, plus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ctanh, 2, plus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ctanh, 0, minus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ctanh, 2, minus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ctanh, minus_zero, plus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ctanh, -2, plus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ctanh, minus_zero, minus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_c_c (ctanh, -2, minus_infty, nan_value, nan_value, INVALID_EXCEPTION);
+  TEST_c_c (ctanh, 0, plus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ctanh, 2, plus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ctanh, 0, minus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ctanh, 2, minus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ctanh, minus_zero, plus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ctanh, -2, plus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ctanh, minus_zero, minus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_c_c (ctanh, -2, minus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
 
-  TEST_c_c (ctanh, plus_infty, nan_value, 1.0, 0.0, IGNORE_ZERO_INF_SIGN);
-  TEST_c_c (ctanh, minus_infty, nan_value, -1.0, 0.0, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ctanh, plus_infty, qnan_value, 1.0, 0.0, IGNORE_ZERO_INF_SIGN);
+  TEST_c_c (ctanh, minus_infty, qnan_value, -1.0, 0.0, IGNORE_ZERO_INF_SIGN);
 
-  TEST_c_c (ctanh, nan_value, 0, nan_value, 0.0);
-  TEST_c_c (ctanh, nan_value, minus_zero, nan_value, minus_zero);
+  TEST_c_c (ctanh, qnan_value, 0, qnan_value, 0.0);
+  TEST_c_c (ctanh, qnan_value, minus_zero, qnan_value, minus_zero);
 
-  TEST_c_c (ctanh, nan_value, 0.5, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (ctanh, nan_value, -4.5, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ctanh, qnan_value, 0.5, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ctanh, qnan_value, -4.5, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (ctanh, 0, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (ctanh, 5, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (ctanh, minus_zero, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_c_c (ctanh, -0.25, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ctanh, 0, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ctanh, 5, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ctanh, minus_zero, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_c_c (ctanh, -0.25, qnan_value, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
 
-  TEST_c_c (ctanh, nan_value, nan_value, nan_value, nan_value);
+  TEST_c_c (ctanh, qnan_value, qnan_value, qnan_value, qnan_value);
 
   TEST_c_c (ctanh, 0, M_PI_4l, 0.0, 1.0);
 
@@ -4230,7 +4879,7 @@ erf_test (void)
   TEST_f_f (erf, minus_zero, minus_zero);
   TEST_f_f (erf, plus_infty, 1);
   TEST_f_f (erf, minus_infty, -1);
-  TEST_f_f (erf, nan_value, nan_value);
+  TEST_f_f (erf, qnan_value, qnan_value);
 
   TEST_f_f (erf, 0.125L, 0.140316204801333817393029446521623398L);
   TEST_f_f (erf, 0.75L, 0.711155633653515131598937834591410777L);
@@ -4258,7 +4907,7 @@ erfc_test (void)
   TEST_f_f (erfc, minus_infty, 2.0);
   TEST_f_f (erfc, 0.0, 1.0);
   TEST_f_f (erfc, minus_zero, 1.0);
-  TEST_f_f (erfc, nan_value, nan_value);
+  TEST_f_f (erfc, qnan_value, qnan_value);
 
   TEST_f_f (erfc, 0.125L, 0.859683795198666182606970553478376602L);
   TEST_f_f (erfc, 0.75L, 0.288844366346484868401062165408589223L);
@@ -4300,7 +4949,7 @@ exp_test (void)
   TEST_f_f (exp, plus_infty, plus_infty);
   TEST_f_f (exp, minus_infty, 0);
 #endif
-  TEST_f_f (exp, nan_value, nan_value);
+  TEST_f_f (exp, qnan_value, qnan_value);
   TEST_f_f (exp, 1, M_El);
 
   TEST_f_f (exp, 2, M_E2l);
@@ -4308,6 +4957,9 @@ exp_test (void)
   TEST_f_f (exp, 0.75L, 2.11700001661267466854536981983709561L);
   TEST_f_f (exp, 50.0L, 5184705528587072464087.45332293348538L);
   TEST_f_f (exp, 88.72269439697265625L, 3.40233126623160774937554134772290447915e38L);
+#ifndef TEST_FLOAT
+  TEST_f_f (exp, 709.75L, 1.739836873264160557698252711673830393864768e+308L);
+#endif
 #if defined TEST_LDOUBLE && __LDBL_MAX_EXP__ > 1024
   /* The result can only be represented in sane long double.  */
   TEST_f_f (exp, 1000.0L, 0.197007111401704699388887935224332313e435L);
@@ -4449,7 +5101,7 @@ exp10_test (void)
 
   TEST_f_f (exp10, plus_infty, plus_infty);
   TEST_f_f (exp10, minus_infty, 0);
-  TEST_f_f (exp10, nan_value, nan_value);
+  TEST_f_f (exp10, qnan_value, qnan_value);
   TEST_f_f (exp10, 3, 1000);
   TEST_f_f (exp10, -1, 0.1L);
   TEST_f_f (exp10, 36, 1.0e36L);
@@ -4487,7 +5139,7 @@ exp2_test (void)
   TEST_f_f (exp2, minus_zero, 1);
   TEST_f_f (exp2, plus_infty, plus_infty);
   TEST_f_f (exp2, minus_infty, 0);
-  TEST_f_f (exp2, nan_value, nan_value);
+  TEST_f_f (exp2, qnan_value, qnan_value);
 
   TEST_f_f (exp2, 10, 1024);
   TEST_f_f (exp2, -1, 0.5);
@@ -4534,7 +5186,7 @@ expm1_test (void)
   TEST_f_f (expm1, plus_infty, plus_infty);
   TEST_f_f (expm1, minus_infty, -1);
 #endif
-  TEST_f_f (expm1, nan_value, nan_value);
+  TEST_f_f (expm1, qnan_value, qnan_value);
 
   TEST_f_f (expm1, 1, M_El - 1.0);
   TEST_f_f (expm1, 0.75L, 1.11700001661267466854536981983709561L);
@@ -4591,7 +5243,7 @@ fabs_test (void)
 
   TEST_f_f (fabs, plus_infty, plus_infty);
   TEST_f_f (fabs, minus_infty, plus_infty);
-  TEST_f_f (fabs, nan_value, nan_value);
+  TEST_f_f (fabs, qnan_value, qnan_value);
 
   TEST_f_f (fabs, 38.0, 38.0);
   TEST_f_f (fabs, -M_El, M_El);
@@ -4620,16 +5272,16 @@ fdim_test (void)
   TEST_ff_f (fdim, 9, plus_infty, 0);
   TEST_ff_f (fdim, -9, plus_infty, 0);
 
-  TEST_ff_f (fdim, 0, nan_value, nan_value);
-  TEST_ff_f (fdim, 9, nan_value, nan_value);
-  TEST_ff_f (fdim, -9, nan_value, nan_value);
-  TEST_ff_f (fdim, nan_value, 9, nan_value);
-  TEST_ff_f (fdim, nan_value, -9, nan_value);
-  TEST_ff_f (fdim, plus_infty, nan_value, nan_value);
-  TEST_ff_f (fdim, minus_infty, nan_value, nan_value);
-  TEST_ff_f (fdim, nan_value, plus_infty, nan_value);
-  TEST_ff_f (fdim, nan_value, minus_infty, nan_value);
-  TEST_ff_f (fdim, nan_value, nan_value, nan_value);
+  TEST_ff_f (fdim, 0, qnan_value, qnan_value);
+  TEST_ff_f (fdim, 9, qnan_value, qnan_value);
+  TEST_ff_f (fdim, -9, qnan_value, qnan_value);
+  TEST_ff_f (fdim, qnan_value, 9, qnan_value);
+  TEST_ff_f (fdim, qnan_value, -9, qnan_value);
+  TEST_ff_f (fdim, plus_infty, qnan_value, qnan_value);
+  TEST_ff_f (fdim, minus_infty, qnan_value, qnan_value);
+  TEST_ff_f (fdim, qnan_value, plus_infty, qnan_value);
+  TEST_ff_f (fdim, qnan_value, minus_infty, qnan_value);
+  TEST_ff_f (fdim, qnan_value, qnan_value, qnan_value);
 
   TEST_ff_f (fdim, plus_infty, plus_infty, 0);
 
@@ -4648,7 +5300,7 @@ finite_test (void)
   TEST_f_b (finite, min_subnorm_value, 1);
   TEST_f_b (finite, plus_infty, 0);
   TEST_f_b (finite, minus_infty, 0);
-  TEST_f_b (finite, nan_value, 0);
+  TEST_f_b (finite, qnan_value, 0);
 
   END (finite);
 }
@@ -4663,7 +5315,7 @@ floor_test (void)
   TEST_f_f (floor, minus_zero, minus_zero);
   TEST_f_f (floor, plus_infty, plus_infty);
   TEST_f_f (floor, minus_infty, minus_infty);
-  TEST_f_f (floor, nan_value, nan_value);
+  TEST_f_f (floor, qnan_value, qnan_value);
 
   TEST_f_f (floor, M_PIl, 3.0);
   TEST_f_f (floor, -M_PIl, -4.0);
@@ -4761,26 +5413,26 @@ fma_test (void)
   START (fma);
 
   TEST_fff_f (fma, 1.0, 2.0, 3.0, 5.0);
-  TEST_fff_f (fma, nan_value, 2.0, 3.0, nan_value);
-  TEST_fff_f (fma, 1.0, nan_value, 3.0, nan_value);
-  TEST_fff_f (fma, 1.0, 2.0, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_fff_f (fma, plus_infty, 0.0, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_fff_f (fma, minus_infty, 0.0, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_fff_f (fma, 0.0, plus_infty, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_fff_f (fma, 0.0, minus_infty, nan_value, nan_value, INVALID_EXCEPTION_OK);
-  TEST_fff_f (fma, plus_infty, 0.0, 1.0, nan_value, INVALID_EXCEPTION);
-  TEST_fff_f (fma, minus_infty, 0.0, 1.0, nan_value, INVALID_EXCEPTION);
-  TEST_fff_f (fma, 0.0, plus_infty, 1.0, nan_value, INVALID_EXCEPTION);
-  TEST_fff_f (fma, 0.0, minus_infty, 1.0, nan_value, INVALID_EXCEPTION);
-
-  TEST_fff_f (fma, plus_infty, plus_infty, minus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_fff_f (fma, minus_infty, plus_infty, plus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_fff_f (fma, plus_infty, minus_infty, plus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_fff_f (fma, minus_infty, minus_infty, minus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_fff_f (fma, plus_infty, 3.5L, minus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_fff_f (fma, minus_infty, -7.5L, minus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_fff_f (fma, -13.5L, plus_infty, plus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_fff_f (fma, minus_infty, 7.5L, plus_infty, nan_value, INVALID_EXCEPTION);
+  TEST_fff_f (fma, qnan_value, 2.0, 3.0, qnan_value);
+  TEST_fff_f (fma, 1.0, qnan_value, 3.0, qnan_value);
+  TEST_fff_f (fma, 1.0, 2.0, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_fff_f (fma, plus_infty, 0.0, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_fff_f (fma, minus_infty, 0.0, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_fff_f (fma, 0.0, plus_infty, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_fff_f (fma, 0.0, minus_infty, qnan_value, qnan_value, INVALID_EXCEPTION_OK);
+  TEST_fff_f (fma, plus_infty, 0.0, 1.0, qnan_value, INVALID_EXCEPTION);
+  TEST_fff_f (fma, minus_infty, 0.0, 1.0, qnan_value, INVALID_EXCEPTION);
+  TEST_fff_f (fma, 0.0, plus_infty, 1.0, qnan_value, INVALID_EXCEPTION);
+  TEST_fff_f (fma, 0.0, minus_infty, 1.0, qnan_value, INVALID_EXCEPTION);
+
+  TEST_fff_f (fma, plus_infty, plus_infty, minus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_fff_f (fma, minus_infty, plus_infty, plus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_fff_f (fma, plus_infty, minus_infty, plus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_fff_f (fma, minus_infty, minus_infty, minus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_fff_f (fma, plus_infty, 3.5L, minus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_fff_f (fma, minus_infty, -7.5L, minus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_fff_f (fma, -13.5L, plus_infty, plus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_fff_f (fma, minus_infty, 7.5L, plus_infty, qnan_value, INVALID_EXCEPTION);
 
   TEST_fff_f (fma, 1.25L, 0.75L, 0.0625L, 1.0L);
 
@@ -5728,17 +6380,17 @@ fmax_test (void)
   TEST_ff_f (fmax, 9, minus_infty, 9);
   TEST_ff_f (fmax, -9, minus_infty, -9);
 
-  TEST_ff_f (fmax, 0, nan_value, 0);
-  TEST_ff_f (fmax, 9, nan_value, 9);
-  TEST_ff_f (fmax, -9, nan_value, -9);
-  TEST_ff_f (fmax, nan_value, 0, 0);
-  TEST_ff_f (fmax, nan_value, 9, 9);
-  TEST_ff_f (fmax, nan_value, -9, -9);
-  TEST_ff_f (fmax, plus_infty, nan_value, plus_infty);
-  TEST_ff_f (fmax, minus_infty, nan_value, minus_infty);
-  TEST_ff_f (fmax, nan_value, plus_infty, plus_infty);
-  TEST_ff_f (fmax, nan_value, minus_infty, minus_infty);
-  TEST_ff_f (fmax, nan_value, nan_value, nan_value);
+  TEST_ff_f (fmax, 0, qnan_value, 0);
+  TEST_ff_f (fmax, 9, qnan_value, 9);
+  TEST_ff_f (fmax, -9, qnan_value, -9);
+  TEST_ff_f (fmax, qnan_value, 0, 0);
+  TEST_ff_f (fmax, qnan_value, 9, 9);
+  TEST_ff_f (fmax, qnan_value, -9, -9);
+  TEST_ff_f (fmax, plus_infty, qnan_value, plus_infty);
+  TEST_ff_f (fmax, minus_infty, qnan_value, minus_infty);
+  TEST_ff_f (fmax, qnan_value, plus_infty, plus_infty);
+  TEST_ff_f (fmax, qnan_value, minus_infty, minus_infty);
+  TEST_ff_f (fmax, qnan_value, qnan_value, qnan_value);
 
   END (fmax);
 }
@@ -5765,17 +6417,17 @@ fmin_test (void)
   TEST_ff_f (fmin, 9, minus_infty, minus_infty);
   TEST_ff_f (fmin, -9, minus_infty, minus_infty);
 
-  TEST_ff_f (fmin, 0, nan_value, 0);
-  TEST_ff_f (fmin, 9, nan_value, 9);
-  TEST_ff_f (fmin, -9, nan_value, -9);
-  TEST_ff_f (fmin, nan_value, 0, 0);
-  TEST_ff_f (fmin, nan_value, 9, 9);
-  TEST_ff_f (fmin, nan_value, -9, -9);
-  TEST_ff_f (fmin, plus_infty, nan_value, plus_infty);
-  TEST_ff_f (fmin, minus_infty, nan_value, minus_infty);
-  TEST_ff_f (fmin, nan_value, plus_infty, plus_infty);
-  TEST_ff_f (fmin, nan_value, minus_infty, minus_infty);
-  TEST_ff_f (fmin, nan_value, nan_value, nan_value);
+  TEST_ff_f (fmin, 0, qnan_value, 0);
+  TEST_ff_f (fmin, 9, qnan_value, 9);
+  TEST_ff_f (fmin, -9, qnan_value, -9);
+  TEST_ff_f (fmin, qnan_value, 0, 0);
+  TEST_ff_f (fmin, qnan_value, 9, 9);
+  TEST_ff_f (fmin, qnan_value, -9, -9);
+  TEST_ff_f (fmin, plus_infty, qnan_value, plus_infty);
+  TEST_ff_f (fmin, minus_infty, qnan_value, minus_infty);
+  TEST_ff_f (fmin, qnan_value, plus_infty, plus_infty);
+  TEST_ff_f (fmin, qnan_value, minus_infty, minus_infty);
+  TEST_ff_f (fmin, qnan_value, qnan_value, qnan_value);
 
   END (fmin);
 }
@@ -5798,27 +6450,27 @@ fmod_test (void)
   /* fmod (-0, y) == -0 for y != 0.  */
   TEST_ff_f (fmod, minus_zero, 3, minus_zero);
 
-  /* fmod (+inf, y) == NaN plus invalid exception.  */
+  /* fmod (+inf, y) == qNaN plus invalid exception.  */
   errno = 0;
-  TEST_ff_f (fmod, plus_infty, 3, nan_value, INVALID_EXCEPTION);
+  TEST_ff_f (fmod, plus_infty, 3, qnan_value, INVALID_EXCEPTION);
   check_int ("errno for fmod(Inf,3) unchanged", errno, EDOM, 0, 0, 0);
-  /* fmod (-inf, y) == NaN plus invalid exception.  */
+  /* fmod (-inf, y) == qNaN plus invalid exception.  */
   errno = 0;
-  TEST_ff_f (fmod, minus_infty, 3, nan_value, INVALID_EXCEPTION);
+  TEST_ff_f (fmod, minus_infty, 3, qnan_value, INVALID_EXCEPTION);
   check_int ("errno for fmod(-Inf,3) unchanged", errno, EDOM, 0, 0, 0);
-  /* fmod (x, +0) == NaN plus invalid exception.  */
+  /* fmod (x, +0) == qNaN plus invalid exception.  */
   errno = 0;
-  TEST_ff_f (fmod, 3, 0, nan_value, INVALID_EXCEPTION);
+  TEST_ff_f (fmod, 3, 0, qnan_value, INVALID_EXCEPTION);
   check_int ("errno for fmod(3,0) unchanged", errno, EDOM, 0, 0, 0);
-  /* fmod (x, -0) == NaN plus invalid exception.  */
-  TEST_ff_f (fmod, 3, minus_zero, nan_value, INVALID_EXCEPTION);
+  /* fmod (x, -0) == qNaN plus invalid exception.  */
+  TEST_ff_f (fmod, 3, minus_zero, qnan_value, INVALID_EXCEPTION);
 
   /* fmod (x, +inf) == x for x not infinite.  */
   TEST_ff_f (fmod, 3.0, plus_infty, 3.0);
   /* fmod (x, -inf) == x for x not infinite.  */
   TEST_ff_f (fmod, 3.0, minus_infty, 3.0);
 
-  TEST_ff_f (fmod, nan_value, nan_value, nan_value);
+  TEST_ff_f (fmod, qnan_value, qnan_value, qnan_value);
 
   TEST_ff_f (fmod, 6.5, 2.25L, 2.0L);
   TEST_ff_f (fmod, -6.5, 2.25L, -2.0L);
@@ -5842,7 +6494,7 @@ fpclassify_test (void)
 {
   START (fpclassify);
 
-  TEST_f_i (fpclassify, nan_value, FP_NAN);
+  TEST_f_i (fpclassify, qnan_value, FP_NAN);
   TEST_f_i (fpclassify, plus_infty, FP_INFINITE);
   TEST_f_i (fpclassify, minus_infty, FP_INFINITE);
   TEST_f_i (fpclassify, plus_zero, FP_ZERO);
@@ -5863,7 +6515,7 @@ frexp_test (void)
 
   TEST_fI_f1 (frexp, plus_infty, plus_infty, IGNORE);
   TEST_fI_f1 (frexp, minus_infty, minus_infty, IGNORE);
-  TEST_fI_f1 (frexp, nan_value, nan_value, IGNORE);
+  TEST_fI_f1 (frexp, qnan_value, qnan_value, IGNORE);
 
   TEST_fI_f1 (frexp, 0.0, 0.0, 0.0);
   TEST_fI_f1 (frexp, minus_zero, minus_zero, 0.0);
@@ -5891,7 +6543,7 @@ gamma_test (void)
   TEST_f_f (gamma, 0, plus_infty, DIVIDE_BY_ZERO_EXCEPTION);
   TEST_f_f (gamma, -3, plus_infty, DIVIDE_BY_ZERO_EXCEPTION);
   TEST_f_f (gamma, minus_infty, plus_infty);
-  TEST_f_f (gamma, nan_value, nan_value);
+  TEST_f_f (gamma, qnan_value, qnan_value);
 
   TEST_f_f1 (gamma, 1, 0, 1);
   TEST_f_f1 (gamma, 3, M_LN2l, 1);
@@ -5917,13 +6569,13 @@ hypot_test (void)
   TEST_ff_f (hypot, minus_infty, 1, plus_infty, IGNORE_ZERO_INF_SIGN);
 
 #ifndef TEST_INLINE
-  TEST_ff_f (hypot, plus_infty, nan_value, plus_infty);
-  TEST_ff_f (hypot, minus_infty, nan_value, plus_infty);
-  TEST_ff_f (hypot, nan_value, plus_infty, plus_infty);
-  TEST_ff_f (hypot, nan_value, minus_infty, plus_infty);
+  TEST_ff_f (hypot, plus_infty, qnan_value, plus_infty);
+  TEST_ff_f (hypot, minus_infty, qnan_value, plus_infty);
+  TEST_ff_f (hypot, qnan_value, plus_infty, plus_infty);
+  TEST_ff_f (hypot, qnan_value, minus_infty, plus_infty);
 #endif
 
-  TEST_ff_f (hypot, nan_value, nan_value, nan_value);
+  TEST_ff_f (hypot, qnan_value, qnan_value, qnan_value);
 
   /* hypot (x,y) == hypot (+-x, +-y)  */
   TEST_ff_f (hypot, 0.7L, 12.4L, 12.419742348374220601176836866763271L);
@@ -5978,10 +6630,10 @@ ilogb_test (void)
   errno = 0;
   TEST_f_i (ilogb, 0.0, FP_ILOGB0, INVALID_EXCEPTION);
   check_int ("errno for ilogb(0.0) unchanged", errno, EDOM, 0, 0, 0);
-  /* ilogb (NaN) == FP_ILOGBNAN plus invalid exception  */
+  /* ilogb (qNaN) == FP_ILOGBNAN plus invalid exception  */
   errno = 0;
-  TEST_f_i (ilogb, nan_value, FP_ILOGBNAN, INVALID_EXCEPTION);
-  check_int ("errno for ilogb(NaN) unchanged", errno, EDOM, 0, 0, 0);
+  TEST_f_i (ilogb, qnan_value, FP_ILOGBNAN, INVALID_EXCEPTION);
+  check_int ("errno for ilogb(qNaN) unchanged", errno, EDOM, 0, 0, 0);
   /* ilogb (inf) == INT_MAX plus invalid exception  */
   errno = 0;
   TEST_f_i (ilogb, plus_infty, INT_MAX, INVALID_EXCEPTION);
@@ -6005,7 +6657,7 @@ isfinite_test (void)
   TEST_f_b (isfinite, min_subnorm_value, 1);
   TEST_f_b (isfinite, plus_infty, 0);
   TEST_f_b (isfinite, minus_infty, 0);
-  TEST_f_b (isfinite, nan_value, 0);
+  TEST_f_b (isfinite, qnan_value, 0);
 
   END (isfinite);
 }
@@ -6018,19 +6670,19 @@ isgreater_test (void)
   TEST_ff_i (isgreater, minus_zero, minus_zero, 0);
   TEST_ff_i (isgreater, minus_zero, plus_zero, 0);
   TEST_ff_i (isgreater, minus_zero, (FLOAT) 1, 0);
-  TEST_ff_i (isgreater, minus_zero, nan_value, 0);
+  TEST_ff_i (isgreater, minus_zero, qnan_value, 0);
   TEST_ff_i (isgreater, plus_zero, minus_zero, 0);
   TEST_ff_i (isgreater, plus_zero, plus_zero, 0);
   TEST_ff_i (isgreater, plus_zero, (FLOAT) 1, 0);
-  TEST_ff_i (isgreater, plus_zero, nan_value, 0);
+  TEST_ff_i (isgreater, plus_zero, qnan_value, 0);
   TEST_ff_i (isgreater, (FLOAT) 1, minus_zero, 1);
   TEST_ff_i (isgreater, (FLOAT) 1, plus_zero, 1);
   TEST_ff_i (isgreater, (FLOAT) 1, (FLOAT) 1, 0);
-  TEST_ff_i (isgreater, (FLOAT) 1, nan_value, 0);
-  TEST_ff_i (isgreater, nan_value, minus_zero, 0);
-  TEST_ff_i (isgreater, nan_value, plus_zero, 0);
-  TEST_ff_i (isgreater, nan_value, (FLOAT) 1, 0);
-  TEST_ff_i (isgreater, nan_value, nan_value, 0);
+  TEST_ff_i (isgreater, (FLOAT) 1, qnan_value, 0);
+  TEST_ff_i (isgreater, qnan_value, minus_zero, 0);
+  TEST_ff_i (isgreater, qnan_value, plus_zero, 0);
+  TEST_ff_i (isgreater, qnan_value, (FLOAT) 1, 0);
+  TEST_ff_i (isgreater, qnan_value, qnan_value, 0);
 
   END (isgreater);
 }
@@ -6043,19 +6695,19 @@ isgreaterequal_test (void)
   TEST_ff_i (isgreaterequal, minus_zero, minus_zero, 1);
   TEST_ff_i (isgreaterequal, minus_zero, plus_zero, 1);
   TEST_ff_i (isgreaterequal, minus_zero, (FLOAT) 1, 0);
-  TEST_ff_i (isgreaterequal, minus_zero, nan_value, 0);
+  TEST_ff_i (isgreaterequal, minus_zero, qnan_value, 0);
   TEST_ff_i (isgreaterequal, plus_zero, minus_zero, 1);
   TEST_ff_i (isgreaterequal, plus_zero, plus_zero, 1);
   TEST_ff_i (isgreaterequal, plus_zero, (FLOAT) 1, 0);
-  TEST_ff_i (isgreaterequal, plus_zero, nan_value, 0);
+  TEST_ff_i (isgreaterequal, plus_zero, qnan_value, 0);
   TEST_ff_i (isgreaterequal, (FLOAT) 1, minus_zero, 1);
   TEST_ff_i (isgreaterequal, (FLOAT) 1, plus_zero, 1);
   TEST_ff_i (isgreaterequal, (FLOAT) 1, (FLOAT) 1, 1);
-  TEST_ff_i (isgreaterequal, (FLOAT) 1, nan_value, 0);
-  TEST_ff_i (isgreaterequal, nan_value, minus_zero, 0);
-  TEST_ff_i (isgreaterequal, nan_value, plus_zero, 0);
-  TEST_ff_i (isgreaterequal, nan_value, (FLOAT) 1, 0);
-  TEST_ff_i (isgreaterequal, nan_value, nan_value, 0);
+  TEST_ff_i (isgreaterequal, (FLOAT) 1, qnan_value, 0);
+  TEST_ff_i (isgreaterequal, qnan_value, minus_zero, 0);
+  TEST_ff_i (isgreaterequal, qnan_value, plus_zero, 0);
+  TEST_ff_i (isgreaterequal, qnan_value, (FLOAT) 1, 0);
+  TEST_ff_i (isgreaterequal, qnan_value, qnan_value, 0);
 
   END (isgreaterequal);
 }
@@ -6071,7 +6723,7 @@ isinf_test (void)
   TEST_f_b (isinf, min_subnorm_value, 0);
   TEST_f_b (isinf, plus_infty, 1);
   TEST_f_b (isinf, minus_infty, 1);
-  TEST_f_b (isinf, nan_value, 0);
+  TEST_f_b (isinf, qnan_value, 0);
 
   END (isinf);
 }
@@ -6084,19 +6736,19 @@ isless_test (void)
   TEST_ff_i (isless, minus_zero, minus_zero, 0);
   TEST_ff_i (isless, minus_zero, plus_zero, 0);
   TEST_ff_i (isless, minus_zero, (FLOAT) 1, 1);
-  TEST_ff_i (isless, minus_zero, nan_value, 0);
+  TEST_ff_i (isless, minus_zero, qnan_value, 0);
   TEST_ff_i (isless, plus_zero, minus_zero, 0);
   TEST_ff_i (isless, plus_zero, plus_zero, 0);
   TEST_ff_i (isless, plus_zero, (FLOAT) 1, 1);
-  TEST_ff_i (isless, plus_zero, nan_value, 0);
+  TEST_ff_i (isless, plus_zero, qnan_value, 0);
   TEST_ff_i (isless, (FLOAT) 1, minus_zero, 0);
   TEST_ff_i (isless, (FLOAT) 1, plus_zero, 0);
   TEST_ff_i (isless, (FLOAT) 1, (FLOAT) 1, 0);
-  TEST_ff_i (isless, (FLOAT) 1, nan_value, 0);
-  TEST_ff_i (isless, nan_value, minus_zero, 0);
-  TEST_ff_i (isless, nan_value, plus_zero, 0);
-  TEST_ff_i (isless, nan_value, (FLOAT) 1, 0);
-  TEST_ff_i (isless, nan_value, nan_value, 0);
+  TEST_ff_i (isless, (FLOAT) 1, qnan_value, 0);
+  TEST_ff_i (isless, qnan_value, minus_zero, 0);
+  TEST_ff_i (isless, qnan_value, plus_zero, 0);
+  TEST_ff_i (isless, qnan_value, (FLOAT) 1, 0);
+  TEST_ff_i (isless, qnan_value, qnan_value, 0);
 
   END (isless);
 }
@@ -6109,19 +6761,19 @@ islessequal_test (void)
   TEST_ff_i (islessequal, minus_zero, minus_zero, 1);
   TEST_ff_i (islessequal, minus_zero, plus_zero, 1);
   TEST_ff_i (islessequal, minus_zero, (FLOAT) 1, 1);
-  TEST_ff_i (islessequal, minus_zero, nan_value, 0);
+  TEST_ff_i (islessequal, minus_zero, qnan_value, 0);
   TEST_ff_i (islessequal, plus_zero, minus_zero, 1);
   TEST_ff_i (islessequal, plus_zero, plus_zero, 1);
   TEST_ff_i (islessequal, plus_zero, (FLOAT) 1, 1);
-  TEST_ff_i (islessequal, plus_zero, nan_value, 0);
+  TEST_ff_i (islessequal, plus_zero, qnan_value, 0);
   TEST_ff_i (islessequal, (FLOAT) 1, minus_zero, 0);
   TEST_ff_i (islessequal, (FLOAT) 1, plus_zero, 0);
   TEST_ff_i (islessequal, (FLOAT) 1, (FLOAT) 1, 1);
-  TEST_ff_i (islessequal, (FLOAT) 1, nan_value, 0);
-  TEST_ff_i (islessequal, nan_value, minus_zero, 0);
-  TEST_ff_i (islessequal, nan_value, plus_zero, 0);
-  TEST_ff_i (islessequal, nan_value, (FLOAT) 1, 0);
-  TEST_ff_i (islessequal, nan_value, nan_value, 0);
+  TEST_ff_i (islessequal, (FLOAT) 1, qnan_value, 0);
+  TEST_ff_i (islessequal, qnan_value, minus_zero, 0);
+  TEST_ff_i (islessequal, qnan_value, plus_zero, 0);
+  TEST_ff_i (islessequal, qnan_value, (FLOAT) 1, 0);
+  TEST_ff_i (islessequal, qnan_value, qnan_value, 0);
 
   END (islessequal);
 }
@@ -6134,19 +6786,19 @@ islessgreater_test (void)
   TEST_ff_i (islessgreater, minus_zero, minus_zero, 0);
   TEST_ff_i (islessgreater, minus_zero, plus_zero, 0);
   TEST_ff_i (islessgreater, minus_zero, (FLOAT) 1, 1);
-  TEST_ff_i (islessgreater, minus_zero, nan_value, 0);
+  TEST_ff_i (islessgreater, minus_zero, qnan_value, 0);
   TEST_ff_i (islessgreater, plus_zero, minus_zero, 0);
   TEST_ff_i (islessgreater, plus_zero, plus_zero, 0);
   TEST_ff_i (islessgreater, plus_zero, (FLOAT) 1, 1);
-  TEST_ff_i (islessgreater, plus_zero, nan_value, 0);
+  TEST_ff_i (islessgreater, plus_zero, qnan_value, 0);
   TEST_ff_i (islessgreater, (FLOAT) 1, minus_zero, 1);
   TEST_ff_i (islessgreater, (FLOAT) 1, plus_zero, 1);
   TEST_ff_i (islessgreater, (FLOAT) 1, (FLOAT) 1, 0);
-  TEST_ff_i (islessgreater, (FLOAT) 1, nan_value, 0);
-  TEST_ff_i (islessgreater, nan_value, minus_zero, 0);
-  TEST_ff_i (islessgreater, nan_value, plus_zero, 0);
-  TEST_ff_i (islessgreater, nan_value, (FLOAT) 1, 0);
-  TEST_ff_i (islessgreater, nan_value, nan_value, 0);
+  TEST_ff_i (islessgreater, (FLOAT) 1, qnan_value, 0);
+  TEST_ff_i (islessgreater, qnan_value, minus_zero, 0);
+  TEST_ff_i (islessgreater, qnan_value, plus_zero, 0);
+  TEST_ff_i (islessgreater, qnan_value, (FLOAT) 1, 0);
+  TEST_ff_i (islessgreater, qnan_value, qnan_value, 0);
 
   END (islessgreater);
 }
@@ -6162,7 +6814,7 @@ isnan_test (void)
   TEST_f_b (isnan, min_subnorm_value, 0);
   TEST_f_b (isnan, plus_infty, 0);
   TEST_f_b (isnan, minus_infty, 0);
-  TEST_f_b (isnan, nan_value, 1);
+  TEST_f_b (isnan, qnan_value, 1);
 
   END (isnan);
 }
@@ -6178,7 +6830,7 @@ isnormal_test (void)
   TEST_f_b (isnormal, min_subnorm_value, 0);
   TEST_f_b (isnormal, plus_infty, 0);
   TEST_f_b (isnormal, minus_infty, 0);
-  TEST_f_b (isnormal, nan_value, 0);
+  TEST_f_b (isnormal, qnan_value, 0);
 
   END (isnormal);
 }
@@ -6191,19 +6843,19 @@ isunordered_test (void)
   TEST_ff_i (isunordered, minus_zero, minus_zero, 0);
   TEST_ff_i (isunordered, minus_zero, plus_zero, 0);
   TEST_ff_i (isunordered, minus_zero, (FLOAT) 1, 0);
-  TEST_ff_i (isunordered, minus_zero, nan_value, 1);
+  TEST_ff_i (isunordered, minus_zero, qnan_value, 1);
   TEST_ff_i (isunordered, plus_zero, minus_zero, 0);
   TEST_ff_i (isunordered, plus_zero, plus_zero, 0);
   TEST_ff_i (isunordered, plus_zero, (FLOAT) 1, 0);
-  TEST_ff_i (isunordered, plus_zero, nan_value, 1);
+  TEST_ff_i (isunordered, plus_zero, qnan_value, 1);
   TEST_ff_i (isunordered, (FLOAT) 1, minus_zero, 0);
   TEST_ff_i (isunordered, (FLOAT) 1, plus_zero, 0);
   TEST_ff_i (isunordered, (FLOAT) 1, (FLOAT) 1, 0);
-  TEST_ff_i (isunordered, (FLOAT) 1, nan_value, 1);
-  TEST_ff_i (isunordered, nan_value, minus_zero, 1);
-  TEST_ff_i (isunordered, nan_value, plus_zero, 1);
-  TEST_ff_i (isunordered, nan_value, (FLOAT) 1, 1);
-  TEST_ff_i (isunordered, nan_value, nan_value, 1);
+  TEST_ff_i (isunordered, (FLOAT) 1, qnan_value, 1);
+  TEST_ff_i (isunordered, qnan_value, minus_zero, 1);
+  TEST_ff_i (isunordered, qnan_value, plus_zero, 1);
+  TEST_ff_i (isunordered, qnan_value, (FLOAT) 1, 1);
+  TEST_ff_i (isunordered, qnan_value, qnan_value, 1);
 
   END (isunordered);
 }
@@ -6225,7 +6877,7 @@ j0_test (void)
   START (j0);
 
   /* j0 is the Bessel function of the first kind of order 0 */
-  TEST_f_f (j0, nan_value, nan_value);
+  TEST_f_f (j0, qnan_value, qnan_value);
   TEST_f_f (j0, plus_infty, 0);
   TEST_f_f (j0, -1.0, 0.765197686557966551449717526102663221L);
   TEST_f_f (j0, 0.0, 1.0);
@@ -6239,12 +6891,16 @@ j0_test (void)
   TEST_f_f (j0, 4.0, -3.9714980986384737228659076845169804197562E-1L);
   TEST_f_f (j0, -4.0, -3.9714980986384737228659076845169804197562E-1L);
 
-  /* Bug 14155: spurious exception may occur.  */
-  TEST_f_f (j0, 0x1.d7ce3ap+107L, 2.775523647291230802651040996274861694514e-17L, UNDERFLOW_EXCEPTION_OK);
+  TEST_f_f (j0, 0x1.d7ce3ap+107L, 2.775523647291230802651040996274861694514e-17L);
 
 #ifndef TEST_FLOAT
-  /* Bug 14155: spurious exception may occur.  */
-  TEST_f_f (j0, -0x1.001000001p+593L, -3.927269966354206207832593635798954916263e-90L, UNDERFLOW_EXCEPTION_OK);
+  TEST_f_f (j0, -0x1.001000001p+593L, -3.927269966354206207832593635798954916263e-90L);
+  TEST_f_f (j0, 0x1p1023L, -1.5665258060609012834424478437196679802783e-155L);
+#endif
+
+#if defined TEST_LDOUBLE && LDBL_MAX_EXP >= 16384
+  TEST_f_f (j0, 0x1p16382L, -1.2193782500509000574176799046642541129387e-2466L);
+  TEST_f_f (j0, 0x1p16383L, 9.5859502826270374691362975419147645151233e-2467L);
 #endif
 
   END (j0);
@@ -6269,7 +6925,7 @@ j1_test (void)
 
   START (j1);
 
-  TEST_f_f (j1, nan_value, nan_value);
+  TEST_f_f (j1, qnan_value, qnan_value);
   TEST_f_f (j1, plus_infty, 0);
 
   TEST_f_f (j1, -1.0, -0.440050585744933515959682203718914913L);
@@ -6285,8 +6941,13 @@ j1_test (void)
   TEST_f_f (j1, 0x1.3ffp+74L, 1.818984347516051243459364437186082741567e-12L);
 
 #ifndef TEST_FLOAT
-  /* Bug 14155: spurious exception may occur.  */
-  TEST_f_f (j1, 0x1.ff00000000002p+840L, 1.846591691699331493194965158699937660696e-127L, UNDERFLOW_EXCEPTION_OK);
+  TEST_f_f (j1, 0x1.ff00000000002p+840L, 1.846591691699331493194965158699937660696e-127L);
+  TEST_f_f (j1, 0x1p1023L, 8.2687542933709649327986678723012001545638e-155L);
+#endif
+
+#if defined TEST_LDOUBLE && LDBL_MAX_EXP >= 16384
+  TEST_f_f (j1, 0x1p16382L, 8.0839224448726336195866026476176740513439e-2467L);
+  TEST_f_f (j1, 0x1p16383L, -3.8895531955766020648617743624167352352217e-2467L);
 #endif
 
   END (j1);
@@ -6310,7 +6971,7 @@ jn_test (void)
   START (jn);
 
   /* jn (0, x) == j0 (x)  */
-  TEST_ff_f (jn, 0, nan_value, nan_value);
+  TEST_ff_f (jn, 0, qnan_value, qnan_value);
   TEST_ff_f (jn, 0, plus_infty, 0);
   TEST_ff_f (jn, 0, -1.0, 0.765197686557966551449717526102663221L);
   TEST_ff_f (jn, 0, 0.0, 1.0);
@@ -6325,7 +6986,7 @@ jn_test (void)
   TEST_ff_f (jn, 0, -4.0, -3.9714980986384737228659076845169804197562E-1L);
 
   /* jn (1, x) == j1 (x)  */
-  TEST_ff_f (jn, 1, nan_value, nan_value);
+  TEST_ff_f (jn, 1, qnan_value, qnan_value);
   TEST_ff_f (jn, 1, plus_infty, 0);
   TEST_ff_f (jn, 1, -1.0, -0.440050585744933515959682203718914913L);
   TEST_ff_f (jn, 1, 0.0, 0.0);
@@ -6338,7 +6999,7 @@ jn_test (void)
   TEST_ff_f (jn, 1, 10.0, 0.0434727461688614366697487680258592883L);
 
   /* jn (3, x)  */
-  TEST_ff_f (jn, 3, nan_value, nan_value);
+  TEST_ff_f (jn, 3, qnan_value, qnan_value);
   TEST_ff_f (jn, 3, plus_infty, 0);
 
   TEST_ff_f (jn, 3, -1.0, -0.0195633539826684059189053216217515083L);
@@ -6350,7 +7011,7 @@ jn_test (void)
   TEST_ff_f (jn, 3, 10.0, 0.0583793793051868123429354784103409563L);
 
   /*  jn (10, x)  */
-  TEST_ff_f (jn, 10, nan_value, nan_value);
+  TEST_ff_f (jn, 10, qnan_value, qnan_value);
   TEST_ff_f (jn, 10, plus_infty, 0);
 
   TEST_ff_f (jn, 10, -1.0, 0.263061512368745320699785368779050294e-9L);
@@ -6381,18 +7042,22 @@ jn_test (void)
 static void
 ldexp_test (void)
 {
+  START (ldexp);
+
   TEST_ff_f (ldexp, 0, 0, 0);
   TEST_ff_f (ldexp, minus_zero, 0, minus_zero);
 
   TEST_ff_f (ldexp, plus_infty, 1, plus_infty);
   TEST_ff_f (ldexp, minus_infty, 1, minus_infty);
-  TEST_ff_f (ldexp, nan_value, 1, nan_value);
+  TEST_ff_f (ldexp, qnan_value, 1, qnan_value);
 
   TEST_ff_f (ldexp, 0.8L, 4, 12.8L);
   TEST_ff_f (ldexp, -0.854375L, 5, -27.34L);
 
   /* ldexp (x, 0) == x.  */
   TEST_ff_f (ldexp, 1.0L, 0L, 1.0L);
+
+  END (ldexp);
 }
 
 
@@ -6412,7 +7077,7 @@ lgamma_test (void)
   check_int ("signgam for lgamma(0) == 1", signgam, 1, 0, 0, 0);
   TEST_f_f (lgamma, minus_zero, plus_infty, DIVIDE_BY_ZERO_EXCEPTION);
   check_int ("signgam for lgamma(-0) == -1", signgam, -1, 0, 0, 0);
-  TEST_f_f (lgamma, nan_value, nan_value);
+  TEST_f_f (lgamma, qnan_value, qnan_value);
 
   /* lgamma (x) == +inf plus divide by zero exception for integer x <= 0.  */
   errno = 0;
@@ -6441,6 +7106,7 @@ lrint_test (void)
   /* XXX this test is incomplete.  We need to have a way to specifiy
      the rounding method and test the critical cases.  So far, only
      unproblematic numbers are tested.  */
+  /* TODO: missing +/-Inf as well as qNaN tests.  */
 
   START (lrint);
 
@@ -6633,6 +7299,7 @@ llrint_test (void)
   /* XXX this test is incomplete.  We need to have a way to specifiy
      the rounding method and test the critical cases.  So far, only
      unproblematic numbers are tested.  */
+  /* TODO: missing +/-Inf as well as qNaN tests.  */
 
   START (llrint);
 
@@ -7321,11 +7988,11 @@ log_test (void)
 
   TEST_f_f (log, 1, 0);
 
-  TEST_f_f (log, -1, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (log, -max_value, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (log, minus_infty, nan_value, INVALID_EXCEPTION);
+  TEST_f_f (log, -1, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (log, -max_value, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (log, minus_infty, qnan_value, INVALID_EXCEPTION);
   TEST_f_f (log, plus_infty, plus_infty);
-  TEST_f_f (log, nan_value, nan_value);
+  TEST_f_f (log, qnan_value, qnan_value);
 
   TEST_f_f (log, M_El, 1);
   TEST_f_f (log, 1.0 / M_El, -1);
@@ -7353,13 +8020,13 @@ log10_test (void)
 
   TEST_f_f (log10, 1, 0);
 
-  /* log10 (x) == NaN plus invalid exception if x < 0.  */
-  TEST_f_f (log10, -1, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (log10, -max_value, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (log10, minus_infty, nan_value, INVALID_EXCEPTION);
+  /* log10 (x) == qNaN plus invalid exception if x < 0.  */
+  TEST_f_f (log10, -1, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (log10, -max_value, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (log10, minus_infty, qnan_value, INVALID_EXCEPTION);
 
   TEST_f_f (log10, plus_infty, plus_infty);
-  TEST_f_f (log10, nan_value, nan_value);
+  TEST_f_f (log10, qnan_value, qnan_value);
 
   TEST_f_f (log10, 0.1L, -1);
   TEST_f_f (log10, 10.0, 1);
@@ -7387,12 +8054,12 @@ log1p_test (void)
   TEST_f_f (log1p, minus_zero, minus_zero);
 
   TEST_f_f (log1p, -1, minus_infty, DIVIDE_BY_ZERO_EXCEPTION);
-  TEST_f_f (log1p, -2, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (log1p, -max_value, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (log1p, minus_infty, nan_value, INVALID_EXCEPTION);
+  TEST_f_f (log1p, -2, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (log1p, -max_value, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (log1p, minus_infty, qnan_value, INVALID_EXCEPTION);
 
   TEST_f_f (log1p, plus_infty, plus_infty);
-  TEST_f_f (log1p, nan_value, nan_value);
+  TEST_f_f (log1p, qnan_value, qnan_value);
 
   TEST_f_f (log1p, M_El - 1.0, 1);
 
@@ -7419,12 +8086,12 @@ log2_test (void)
 
   TEST_f_f (log2, 1, 0);
 
-  TEST_f_f (log2, -1, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (log2, -max_value, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (log2, minus_infty, nan_value, INVALID_EXCEPTION);
+  TEST_f_f (log2, -1, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (log2, -max_value, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (log2, minus_infty, qnan_value, INVALID_EXCEPTION);
 
   TEST_f_f (log2, plus_infty, plus_infty);
-  TEST_f_f (log2, nan_value, nan_value);
+  TEST_f_f (log2, qnan_value, qnan_value);
 
   TEST_f_f (log2, M_El, M_LOG2El);
   TEST_f_f (log2, 2.0, 1);
@@ -7447,7 +8114,7 @@ logb_test (void)
   TEST_f_f (logb, 0, minus_infty, DIVIDE_BY_ZERO_EXCEPTION);
 
   TEST_f_f (logb, minus_zero, minus_infty, DIVIDE_BY_ZERO_EXCEPTION);
-  TEST_f_f (logb, nan_value, nan_value);
+  TEST_f_f (logb, qnan_value, qnan_value);
 
   TEST_f_f (logb, 1, 0);
   TEST_f_f (logb, M_El, 1);
@@ -7511,6 +8178,8 @@ logb_test_downward (void)
 static void
 lround_test (void)
 {
+  /* TODO: missing +/-Inf as well as qNaN tests.  */
+
   START (lround);
 
   TEST_f_l (lround, 0, 0);
@@ -7553,6 +8222,8 @@ lround_test (void)
 static void
 llround_test (void)
 {
+  /* TODO: missing +/-Inf as well as qNaN tests.  */
+
   START (llround);
 
   TEST_f_L (llround, 0, 0);
@@ -7729,7 +8400,7 @@ modf_test (void)
 
   TEST_fF_f1 (modf, plus_infty, 0, plus_infty);
   TEST_fF_f1 (modf, minus_infty, minus_zero, minus_infty);
-  TEST_fF_f1 (modf, nan_value, nan_value, nan_value);
+  TEST_fF_f1 (modf, qnan_value, qnan_value, qnan_value);
   TEST_fF_f1 (modf, 0, 0, 0);
   TEST_fF_f1 (modf, 1.5, 0.5, 1);
   TEST_fF_f1 (modf, 2.5, 0.5, 2);
@@ -7751,7 +8422,7 @@ nearbyint_test (void)
   TEST_f_f (nearbyint, minus_zero, minus_zero);
   TEST_f_f (nearbyint, plus_infty, plus_infty);
   TEST_f_f (nearbyint, minus_infty, minus_infty);
-  TEST_f_f (nearbyint, nan_value, nan_value);
+  TEST_f_f (nearbyint, qnan_value, qnan_value);
 
   /* Subnormal values */
   TEST_f_f (nearbyint, -8.98847e+307, -8.98847e+307);
@@ -7810,9 +8481,9 @@ nextafter_test (void)
   TEST_ff_f (nextafter, plus_infty, plus_infty, plus_infty);
   TEST_ff_f (nextafter, minus_infty, minus_infty, minus_infty);
 
-  TEST_ff_f (nextafter, nan_value, 1.1L, nan_value);
-  TEST_ff_f (nextafter, 1.1L, nan_value, nan_value);
-  TEST_ff_f (nextafter, nan_value, nan_value, nan_value);
+  TEST_ff_f (nextafter, qnan_value, 1.1L, qnan_value);
+  TEST_ff_f (nextafter, 1.1L, qnan_value, qnan_value);
+  TEST_ff_f (nextafter, qnan_value, qnan_value, qnan_value);
 
   FLOAT fltmax = CHOOSE (LDBL_MAX, DBL_MAX, FLT_MAX,
 			 LDBL_MAX, DBL_MAX, FLT_MAX);
@@ -7845,9 +8516,9 @@ nexttoward_test (void)
   TEST_ff_f (nexttoward, plus_infty, plus_infty, plus_infty);
   TEST_ff_f (nexttoward, minus_infty, minus_infty, minus_infty);
 
-  TEST_ff_f (nexttoward, nan_value, 1.1L, nan_value);
-  TEST_ff_f (nexttoward, 1.1L, nan_value, nan_value);
-  TEST_ff_f (nexttoward, nan_value, nan_value, nan_value);
+  TEST_ff_f (nexttoward, qnan_value, 1.1L, qnan_value);
+  TEST_ff_f (nexttoward, 1.1L, qnan_value, qnan_value);
+  TEST_ff_f (nexttoward, qnan_value, qnan_value, qnan_value);
 
 #ifdef TEST_FLOAT
   TEST_ff_f (nexttoward, 1.0, 1.1L, 0x1.000002p0);
@@ -7943,8 +8614,8 @@ pow_test (void)
   TEST_ff_f (pow, -10, 0, 1);
   TEST_ff_f (pow, -10, minus_zero, 1);
 
-  TEST_ff_f (pow, nan_value, 0, 1);
-  TEST_ff_f (pow, nan_value, minus_zero, 1);
+  TEST_ff_f (pow, qnan_value, 0, 1);
+  TEST_ff_f (pow, qnan_value, minus_zero, 1);
 
 
 #ifndef TEST_INLINE
@@ -8005,28 +8676,28 @@ pow_test (void)
   TEST_ff_f (pow, minus_infty, -min_subnorm_value, 0);
 #endif
 
-  TEST_ff_f (pow, nan_value, nan_value, nan_value);
-  TEST_ff_f (pow, 0, nan_value, nan_value);
-  TEST_ff_f (pow, 1, nan_value, 1);
-  TEST_ff_f (pow, -1, nan_value, nan_value);
-  TEST_ff_f (pow, nan_value, 1, nan_value);
-  TEST_ff_f (pow, nan_value, -1, nan_value);
-
-  /* pow (x, NaN) == NaN.  */
-  TEST_ff_f (pow, 3.0, nan_value, nan_value);
-  TEST_ff_f (pow, minus_zero, nan_value, nan_value);
-  TEST_ff_f (pow, plus_infty, nan_value, nan_value);
-  TEST_ff_f (pow, -3.0, nan_value, nan_value);
-  TEST_ff_f (pow, minus_infty, nan_value, nan_value);
-
-  TEST_ff_f (pow, nan_value, 3.0, nan_value);
-  TEST_ff_f (pow, nan_value, -3.0, nan_value);
-  TEST_ff_f (pow, nan_value, plus_infty, nan_value);
-  TEST_ff_f (pow, nan_value, minus_infty, nan_value);
-  TEST_ff_f (pow, nan_value, 2.5, nan_value);
-  TEST_ff_f (pow, nan_value, -2.5, nan_value);
-  TEST_ff_f (pow, nan_value, min_subnorm_value, nan_value);
-  TEST_ff_f (pow, nan_value, -min_subnorm_value, nan_value);
+  TEST_ff_f (pow, qnan_value, qnan_value, qnan_value);
+  TEST_ff_f (pow, 0, qnan_value, qnan_value);
+  TEST_ff_f (pow, 1, qnan_value, 1);
+  TEST_ff_f (pow, -1, qnan_value, qnan_value);
+  TEST_ff_f (pow, qnan_value, 1, qnan_value);
+  TEST_ff_f (pow, qnan_value, -1, qnan_value);
+
+  /* pow (x, qNaN) == qNaN.  */
+  TEST_ff_f (pow, 3.0, qnan_value, qnan_value);
+  TEST_ff_f (pow, minus_zero, qnan_value, qnan_value);
+  TEST_ff_f (pow, plus_infty, qnan_value, qnan_value);
+  TEST_ff_f (pow, -3.0, qnan_value, qnan_value);
+  TEST_ff_f (pow, minus_infty, qnan_value, qnan_value);
+
+  TEST_ff_f (pow, qnan_value, 3.0, qnan_value);
+  TEST_ff_f (pow, qnan_value, -3.0, qnan_value);
+  TEST_ff_f (pow, qnan_value, plus_infty, qnan_value);
+  TEST_ff_f (pow, qnan_value, minus_infty, qnan_value);
+  TEST_ff_f (pow, qnan_value, 2.5, qnan_value);
+  TEST_ff_f (pow, qnan_value, -2.5, qnan_value);
+  TEST_ff_f (pow, qnan_value, min_subnorm_value, qnan_value);
+  TEST_ff_f (pow, qnan_value, -min_subnorm_value, qnan_value);
 
   TEST_ff_f (pow, 1, plus_infty, 1);
   TEST_ff_f (pow, -1, plus_infty, 1);
@@ -8057,14 +8728,14 @@ pow_test (void)
   TEST_ff_f (pow, 0x1p-72L, 0, 1);
   TEST_ff_f (pow, 0x1p-72L, minus_zero, 1);
 
-  TEST_ff_f (pow, -0.1L, 1.1L, nan_value, INVALID_EXCEPTION);
-  TEST_ff_f (pow, -0.1L, -1.1L, nan_value, INVALID_EXCEPTION);
-  TEST_ff_f (pow, -10.1L, 1.1L, nan_value, INVALID_EXCEPTION);
-  TEST_ff_f (pow, -10.1L, -1.1L, nan_value, INVALID_EXCEPTION);
-  TEST_ff_f (pow, -1.01L, min_subnorm_value, nan_value, INVALID_EXCEPTION);
-  TEST_ff_f (pow, -1.01L, -min_subnorm_value, nan_value, INVALID_EXCEPTION);
-  TEST_ff_f (pow, -1.0L, min_subnorm_value, nan_value, INVALID_EXCEPTION);
-  TEST_ff_f (pow, -1.0L, -min_subnorm_value, nan_value, INVALID_EXCEPTION);
+  TEST_ff_f (pow, -0.1L, 1.1L, qnan_value, INVALID_EXCEPTION);
+  TEST_ff_f (pow, -0.1L, -1.1L, qnan_value, INVALID_EXCEPTION);
+  TEST_ff_f (pow, -10.1L, 1.1L, qnan_value, INVALID_EXCEPTION);
+  TEST_ff_f (pow, -10.1L, -1.1L, qnan_value, INVALID_EXCEPTION);
+  TEST_ff_f (pow, -1.01L, min_subnorm_value, qnan_value, INVALID_EXCEPTION);
+  TEST_ff_f (pow, -1.01L, -min_subnorm_value, qnan_value, INVALID_EXCEPTION);
+  TEST_ff_f (pow, -1.0L, min_subnorm_value, qnan_value, INVALID_EXCEPTION);
+  TEST_ff_f (pow, -1.0L, -min_subnorm_value, qnan_value, INVALID_EXCEPTION);
 
   errno = 0;
   TEST_ff_f (pow, 0, -1, plus_infty, DIVIDE_BY_ZERO_EXCEPTION);
@@ -8474,9 +9145,9 @@ pow_test (void)
 #endif
   TEST_ff_f (pow, -2.0, max_value, plus_infty, OVERFLOW_EXCEPTION);
 
-  TEST_ff_f (pow, -max_value, 0.5, nan_value, INVALID_EXCEPTION);
-  TEST_ff_f (pow, -max_value, 1.5, nan_value, INVALID_EXCEPTION);
-  TEST_ff_f (pow, -max_value, 1000.5, nan_value, INVALID_EXCEPTION);
+  TEST_ff_f (pow, -max_value, 0.5, qnan_value, INVALID_EXCEPTION);
+  TEST_ff_f (pow, -max_value, 1.5, qnan_value, INVALID_EXCEPTION);
+  TEST_ff_f (pow, -max_value, 1000.5, qnan_value, INVALID_EXCEPTION);
   TEST_ff_f (pow, -max_value, -2, plus_zero, UNDERFLOW_EXCEPTION);
   TEST_ff_f (pow, -max_value, -3, minus_zero, UNDERFLOW_EXCEPTION);
   TEST_ff_f (pow, -max_value, 2, plus_infty, OVERFLOW_EXCEPTION);
@@ -8575,9 +9246,9 @@ pow_test (void)
 #endif
   TEST_ff_f (pow, -0.5, max_value, plus_zero, UNDERFLOW_EXCEPTION);
 
-  TEST_ff_f (pow, -min_value, 0.5, nan_value, INVALID_EXCEPTION);
-  TEST_ff_f (pow, -min_value, 1.5, nan_value, INVALID_EXCEPTION);
-  TEST_ff_f (pow, -min_value, 1000.5, nan_value, INVALID_EXCEPTION);
+  TEST_ff_f (pow, -min_value, 0.5, qnan_value, INVALID_EXCEPTION);
+  TEST_ff_f (pow, -min_value, 1.5, qnan_value, INVALID_EXCEPTION);
+  TEST_ff_f (pow, -min_value, 1000.5, qnan_value, INVALID_EXCEPTION);
   TEST_ff_f (pow, -min_value, -2, plus_infty, OVERFLOW_EXCEPTION);
   TEST_ff_f (pow, -min_value, -3, minus_infty, OVERFLOW_EXCEPTION);
   /* Allow inexact results to be considered to underflow.  */
@@ -8813,26 +9484,26 @@ remainder_test (void)
   START (remainder);
 
   errno = 0;
-  TEST_ff_f (remainder, 1, 0, nan_value, INVALID_EXCEPTION);
+  TEST_ff_f (remainder, 1, 0, qnan_value, INVALID_EXCEPTION);
   check_int ("errno for remainder(1, 0) = EDOM ", errno, EDOM, 0, 0, 0);
   errno = 0;
-  TEST_ff_f (remainder, 1, minus_zero, nan_value, INVALID_EXCEPTION);
+  TEST_ff_f (remainder, 1, minus_zero, qnan_value, INVALID_EXCEPTION);
   check_int ("errno for remainder(1, -0) = EDOM ", errno, EDOM, 0, 0, 0);
   errno = 0;
-  TEST_ff_f (remainder, plus_infty, 1, nan_value, INVALID_EXCEPTION);
+  TEST_ff_f (remainder, plus_infty, 1, qnan_value, INVALID_EXCEPTION);
   check_int ("errno for remainder(INF, 1) = EDOM ", errno, EDOM, 0, 0, 0);
   errno = 0;
-  TEST_ff_f (remainder, minus_infty, 1, nan_value, INVALID_EXCEPTION);
+  TEST_ff_f (remainder, minus_infty, 1, qnan_value, INVALID_EXCEPTION);
   check_int ("errno for remainder(-INF, 1) = EDOM ", errno, EDOM, 0, 0, 0);
   errno = 0;
-  TEST_ff_f (remainder, nan_value, nan_value, nan_value);
-  check_int ("errno for remainder(NAN, NAN) unchanged", errno, 0, 0, 0, 0);
+  TEST_ff_f (remainder, qnan_value, qnan_value, qnan_value);
+  check_int ("errno for remainder(qNAN, qNAN) unchanged", errno, 0, 0, 0, 0);
   errno = 0;
-  TEST_ff_f (remainder, 0, nan_value, nan_value);
-  check_int ("errno for remainder(0, NAN) unchanged", errno, 0, 0, 0, 0);
+  TEST_ff_f (remainder, 0, qnan_value, qnan_value);
+  check_int ("errno for remainder(0, qNAN) unchanged", errno, 0, 0, 0, 0);
   errno = 0;
-  TEST_ff_f (remainder, nan_value, 0, nan_value);
-  check_int ("errno for remainder(NaN, 0) unchanged", errno, 0, 0, 0, 0);
+  TEST_ff_f (remainder, qnan_value, 0, qnan_value);
+  check_int ("errno for remainder(qNaN, 0) unchanged", errno, 0, 0, 0, 0);
 
   TEST_ff_f (remainder, 1.625, 1.0, -0.375);
   TEST_ff_f (remainder, -1.625, 1.0, 0.375);
@@ -8858,11 +9529,11 @@ remquo_test (void)
 
   START (remquo);
 
-  TEST_ffI_f1 (remquo, 1, 0, nan_value, IGNORE, INVALID_EXCEPTION);
-  TEST_ffI_f1 (remquo, 1, minus_zero, nan_value, IGNORE, INVALID_EXCEPTION);
-  TEST_ffI_f1 (remquo, plus_infty, 1, nan_value, IGNORE, INVALID_EXCEPTION);
-  TEST_ffI_f1 (remquo, minus_infty, 1, nan_value, IGNORE, INVALID_EXCEPTION);
-  TEST_ffI_f1 (remquo, nan_value, nan_value, nan_value, IGNORE);
+  TEST_ffI_f1 (remquo, 1, 0, qnan_value, IGNORE, INVALID_EXCEPTION);
+  TEST_ffI_f1 (remquo, 1, minus_zero, qnan_value, IGNORE, INVALID_EXCEPTION);
+  TEST_ffI_f1 (remquo, plus_infty, 1, qnan_value, IGNORE, INVALID_EXCEPTION);
+  TEST_ffI_f1 (remquo, minus_infty, 1, qnan_value, IGNORE, INVALID_EXCEPTION);
+  TEST_ffI_f1 (remquo, qnan_value, qnan_value, qnan_value, IGNORE);
 
   TEST_ffI_f1 (remquo, 1.625, 1.0, -0.375, 2);
   TEST_ffI_f1 (remquo, -1.625, 1.0, 0.375, -2);
@@ -8878,6 +9549,8 @@ remquo_test (void)
 static void
 rint_test (void)
 {
+  /* TODO: missing qNaN tests.  */
+
   START (rint);
 
   TEST_f_f (rint, 0.0, 0.0);
@@ -9343,6 +10016,8 @@ rint_test_upward (void)
 static void
 round_test (void)
 {
+  /* TODO: missing +/-Inf as well as qNaN tests.  */
+
   START (round);
 
   TEST_f_f (round, 0, 0);
@@ -9445,17 +10120,17 @@ scalb_test (void)
 
   START (scalb);
 
-  TEST_ff_f (scalb, 2.0, 0.5, nan_value, INVALID_EXCEPTION);
-  TEST_ff_f (scalb, 3.0, -2.5, nan_value, INVALID_EXCEPTION);
+  TEST_ff_f (scalb, 2.0, 0.5, qnan_value, INVALID_EXCEPTION);
+  TEST_ff_f (scalb, 3.0, -2.5, qnan_value, INVALID_EXCEPTION);
 
-  TEST_ff_f (scalb, 0, nan_value, nan_value);
-  TEST_ff_f (scalb, 1, nan_value, nan_value);
+  TEST_ff_f (scalb, 0, qnan_value, qnan_value);
+  TEST_ff_f (scalb, 1, qnan_value, qnan_value);
 
   TEST_ff_f (scalb, 1, 0, 1);
   TEST_ff_f (scalb, -1, 0, -1);
 
-  TEST_ff_f (scalb, 0, plus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_ff_f (scalb, minus_zero, plus_infty, nan_value, INVALID_EXCEPTION);
+  TEST_ff_f (scalb, 0, plus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_ff_f (scalb, minus_zero, plus_infty, qnan_value, INVALID_EXCEPTION);
 
   TEST_ff_f (scalb, 0, 2, 0);
   TEST_ff_f (scalb, minus_zero, -4, minus_zero);
@@ -9481,16 +10156,16 @@ scalb_test (void)
   TEST_ff_f (scalb, plus_infty, plus_infty, plus_infty);
   TEST_ff_f (scalb, minus_infty, plus_infty, minus_infty);
 
-  TEST_ff_f (scalb, plus_infty, minus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_ff_f (scalb, minus_infty, minus_infty, nan_value, INVALID_EXCEPTION);
+  TEST_ff_f (scalb, plus_infty, minus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_ff_f (scalb, minus_infty, minus_infty, qnan_value, INVALID_EXCEPTION);
 
-  TEST_ff_f (scalb, nan_value, 1, nan_value);
-  TEST_ff_f (scalb, 1, nan_value, nan_value);
-  TEST_ff_f (scalb, nan_value, 0, nan_value);
-  TEST_ff_f (scalb, 0, nan_value, nan_value);
-  TEST_ff_f (scalb, nan_value, plus_infty, nan_value);
-  TEST_ff_f (scalb, plus_infty, nan_value, nan_value);
-  TEST_ff_f (scalb, nan_value, nan_value, nan_value);
+  TEST_ff_f (scalb, qnan_value, 1, qnan_value);
+  TEST_ff_f (scalb, 1, qnan_value, qnan_value);
+  TEST_ff_f (scalb, qnan_value, 0, qnan_value);
+  TEST_ff_f (scalb, 0, qnan_value, qnan_value);
+  TEST_ff_f (scalb, qnan_value, plus_infty, qnan_value);
+  TEST_ff_f (scalb, plus_infty, qnan_value, qnan_value);
+  TEST_ff_f (scalb, qnan_value, qnan_value, qnan_value);
 
   TEST_ff_f (scalb, 0.8L, 4, 12.8L);
   TEST_ff_f (scalb, -0.854375L, 5, -27.34L);
@@ -9510,7 +10185,7 @@ scalbn_test (void)
 
   TEST_fi_f (scalbn, plus_infty, 1, plus_infty);
   TEST_fi_f (scalbn, minus_infty, 1, minus_infty);
-  TEST_fi_f (scalbn, nan_value, 1, nan_value);
+  TEST_fi_f (scalbn, qnan_value, 1, qnan_value);
 
   TEST_fi_f (scalbn, 0.8L, 4, 12.8L);
   TEST_fi_f (scalbn, -0.854375L, 5, -27.34L);
@@ -9541,7 +10216,7 @@ scalbln_test (void)
 
   TEST_fl_f (scalbln, plus_infty, 1, plus_infty);
   TEST_fl_f (scalbln, minus_infty, 1, minus_infty);
-  TEST_fl_f (scalbln, nan_value, 1, nan_value);
+  TEST_fl_f (scalbln, qnan_value, 1, qnan_value);
 
   TEST_fl_f (scalbln, 0.8L, 4, 12.8L);
   TEST_fl_f (scalbln, -0.854375L, 5, -27.34L);
@@ -9584,6 +10259,7 @@ scalbln_test (void)
 static void
 signbit_test (void)
 {
+  /* TODO: missing qNaN tests.  */
 
   START (signbit);
 
@@ -9615,14 +10291,14 @@ sin_test (void)
   TEST_f_f (sin, 0, 0);
   TEST_f_f (sin, minus_zero, minus_zero);
   errno = 0;
-  TEST_f_f (sin, plus_infty, nan_value, INVALID_EXCEPTION);
+  TEST_f_f (sin, plus_infty, qnan_value, INVALID_EXCEPTION);
   check_int ("errno for sin(+inf) == EDOM", errno, EDOM, 0, 0, 0);
   errno = 0;
-  TEST_f_f (sin, minus_infty, nan_value, INVALID_EXCEPTION);
+  TEST_f_f (sin, minus_infty, qnan_value, INVALID_EXCEPTION);
   check_int ("errno for sin(-inf) == EDOM", errno, EDOM, 0, 0, 0);
   errno = 0;
-  TEST_f_f (sin, nan_value, nan_value);
-  check_int ("errno for sin(NaN) unchanged", errno, 0, 0, 0, 0);
+  TEST_f_f (sin, qnan_value, qnan_value);
+  check_int ("errno for sin(qNaN) unchanged", errno, 0, 0, 0, 0);
 
   TEST_f_f (sin, M_PI_6l, 0.5);
   TEST_f_f (sin, -M_PI_6l, -0.5);
@@ -9814,9 +10490,9 @@ sincos_test (void)
   TEST_extra (sincos, 0, 0, 1);
 
   TEST_extra (sincos, minus_zero, minus_zero, 1);
-  TEST_extra (sincos, plus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_extra (sincos, minus_infty, nan_value, nan_value, INVALID_EXCEPTION);
-  TEST_extra (sincos, nan_value, nan_value, nan_value);
+  TEST_extra (sincos, plus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_extra (sincos, minus_infty, qnan_value, qnan_value, INVALID_EXCEPTION);
+  TEST_extra (sincos, qnan_value, qnan_value, qnan_value);
 
   TEST_extra (sincos, M_PI_2l, 1, 0);
   TEST_extra (sincos, M_PI_6l, 0.5, 0.86602540378443864676372317075293616L);
@@ -9866,7 +10542,7 @@ sinh_test (void)
   TEST_f_f (sinh, plus_infty, plus_infty);
   TEST_f_f (sinh, minus_infty, minus_infty);
 #endif
-  TEST_f_f (sinh, nan_value, nan_value);
+  TEST_f_f (sinh, qnan_value, qnan_value);
 
   TEST_f_f (sinh, 0.75L, 0.822316731935829980703661634446913849L);
   TEST_f_f (sinh, 0x8p-32L, 1.86264514923095703232705808926175479e-9L);
@@ -9995,16 +10671,15 @@ sqrt_test (void)
   START (sqrt);
 
   TEST_f_f (sqrt, 0, 0);
-  TEST_f_f (sqrt, nan_value, nan_value);
+  TEST_f_f (sqrt, qnan_value, qnan_value);
   TEST_f_f (sqrt, plus_infty, plus_infty);
 
   TEST_f_f (sqrt, minus_zero, minus_zero);
 
-  /* sqrt (x) == NaN plus invalid exception for x < 0.  */
-  TEST_f_f (sqrt, -1, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (sqrt, -max_value, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (sqrt, minus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (sqrt, nan_value, nan_value);
+  /* sqrt (x) == qNaN plus invalid exception for x < 0.  */
+  TEST_f_f (sqrt, -1, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (sqrt, -max_value, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (sqrt, minus_infty, qnan_value, INVALID_EXCEPTION);
 
   TEST_f_f (sqrt, 2209, 47);
   TEST_f_f (sqrt, 4, 2);
@@ -10032,14 +10707,14 @@ tan_test (void)
   TEST_f_f (tan, 0, 0);
   TEST_f_f (tan, minus_zero, minus_zero);
   errno = 0;
-  TEST_f_f (tan, plus_infty, nan_value, INVALID_EXCEPTION);
+  TEST_f_f (tan, plus_infty, qnan_value, INVALID_EXCEPTION);
   check_int ("errno for tan(Inf) == EDOM", errno, EDOM, 0, 0, 0);
   errno = 0;
-  TEST_f_f (tan, minus_infty, nan_value, INVALID_EXCEPTION);
+  TEST_f_f (tan, minus_infty, qnan_value, INVALID_EXCEPTION);
   check_int ("errno for tan(-Inf) == EDOM", errno, EDOM, 0, 0, 0);
   errno = 0;
-  TEST_f_f (tan, nan_value, nan_value);
-  check_int ("errno for tan(NaN) == 0", errno, 0, 0, 0, 0);
+  TEST_f_f (tan, qnan_value, qnan_value);
+  check_int ("errno for tan(qNaN) == 0", errno, 0, 0, 0, 0);
 
   TEST_f_f (tan, M_PI_4l, 1);
   TEST_f_f (tan, 0.75L, 0.931596459944072461165202756573936428L);
@@ -10252,7 +10927,7 @@ tanh_test (void)
   TEST_f_f (tanh, plus_infty, 1);
   TEST_f_f (tanh, minus_infty, -1);
 #endif
-  TEST_f_f (tanh, nan_value, nan_value);
+  TEST_f_f (tanh, qnan_value, qnan_value);
 
   TEST_f_f (tanh, 0.75L, 0.635148952387287319214434357312496495L);
   TEST_f_f (tanh, -0.75L, -0.635148952387287319214434357312496495L);
@@ -10281,11 +10956,11 @@ tgamma_test (void)
   TEST_f_f (tgamma, max_value, plus_infty, OVERFLOW_EXCEPTION);
   TEST_f_f (tgamma, 0, plus_infty, DIVIDE_BY_ZERO_EXCEPTION);
   TEST_f_f (tgamma, minus_zero, minus_infty, DIVIDE_BY_ZERO_EXCEPTION);
-  /* tgamma (x) == NaN plus invalid exception for integer x <= 0.  */
-  TEST_f_f (tgamma, -2, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (tgamma, -max_value, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (tgamma, minus_infty, nan_value, INVALID_EXCEPTION);
-  TEST_f_f (tgamma, nan_value, nan_value);
+  /* tgamma (x) == qNaN plus invalid exception for integer x <= 0.  */
+  TEST_f_f (tgamma, -2, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (tgamma, -max_value, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (tgamma, minus_infty, qnan_value, INVALID_EXCEPTION);
+  TEST_f_f (tgamma, qnan_value, qnan_value);
 
   TEST_f_f (tgamma, 0.5, M_SQRT_PIl);
   TEST_f_f (tgamma, -0.5, -M_2_SQRT_PIl);
@@ -10307,7 +10982,7 @@ trunc_test (void)
 
   TEST_f_f (trunc, plus_infty, plus_infty);
   TEST_f_f (trunc, minus_infty, minus_infty);
-  TEST_f_f (trunc, nan_value, nan_value);
+  TEST_f_f (trunc, qnan_value, qnan_value);
 
   TEST_f_f (trunc, 0, 0);
   TEST_f_f (trunc, minus_zero, minus_zero);
@@ -10429,7 +11104,7 @@ y0_test (void)
   TEST_f_f (y0, -1.0, minus_infty, INVALID_EXCEPTION);
   TEST_f_f (y0, -max_value, minus_infty, INVALID_EXCEPTION);
   TEST_f_f (y0, 0.0, minus_infty);
-  TEST_f_f (y0, nan_value, nan_value);
+  TEST_f_f (y0, qnan_value, qnan_value);
   TEST_f_f (y0, plus_infty, 0);
 
   TEST_f_f (y0, 0.125L, -1.38968062514384052915582277745018693L);
@@ -10443,8 +11118,13 @@ y0_test (void)
   TEST_f_f (y0, 0x1.3ffp+74L, 1.818984347516051243459467456433028748678e-12L);
 
 #ifndef TEST_FLOAT
-  /* Bug 14155: spurious exception may occur.  */
-  TEST_f_f (y0, 0x1.ff00000000002p+840L, 1.846591691699331493194965158699937660696e-127L, UNDERFLOW_EXCEPTION_OK);
+  TEST_f_f (y0, 0x1.ff00000000002p+840L, 1.846591691699331493194965158699937660696e-127L);
+  TEST_f_f (y0, 0x1p1023L, 8.2687542933709649327986678723012001545638e-155L);
+#endif
+
+#if defined TEST_LDOUBLE && LDBL_MAX_EXP >= 16384
+  TEST_f_f (y0, 0x1p16382L, 8.0839224448726336195866026476176740513439e-2467L);
+  TEST_f_f (y0, 0x1p16383L, -3.8895531955766020648617743624167352352217e-2467L);
 #endif
 
   TEST_f_f (y0, 0x1p-10L, -4.4865150767109739412411806297168793661098L);
@@ -10484,7 +11164,7 @@ y1_test (void)
   TEST_f_f (y1, -max_value, minus_infty, INVALID_EXCEPTION);
   TEST_f_f (y1, 0.0, minus_infty);
   TEST_f_f (y1, plus_infty, 0);
-  TEST_f_f (y1, nan_value, nan_value);
+  TEST_f_f (y1, qnan_value, qnan_value);
 
   TEST_f_f (y1, 0.125L, -5.19993611253477499595928744876579921L);
   TEST_f_f (y1, 0.75L, -1.03759455076928541973767132140642198L);
@@ -10494,12 +11174,16 @@ y1_test (void)
   TEST_f_f (y1, 8.0, -0.158060461731247494255555266187483550L);
   TEST_f_f (y1, 10.0, 0.249015424206953883923283474663222803L);
 
-  /* Bug 14155: spurious exception may occur.  */
-  TEST_f_f (y1, 0x1.27e204p+99L, -8.881610148467797208469612080785210013461e-16L, UNDERFLOW_EXCEPTION_OK);
+  TEST_f_f (y1, 0x1.27e204p+99L, -8.881610148467797208469612080785210013461e-16L);
 
 #ifndef TEST_FLOAT
-  /* Bug 14155: spurious exception may occur.  */
-  TEST_f_f (y1, 0x1.001000001p+593L, 3.927269966354206207832593635798954916263e-90L, UNDERFLOW_EXCEPTION_OK);
+  TEST_f_f (y1, 0x1.001000001p+593L, 3.927269966354206207832593635798954916263e-90L);
+  TEST_f_f (y1, 0x1p1023L, 1.5665258060609012834424478437196679802783e-155L);
+#endif
+
+#if defined TEST_LDOUBLE && LDBL_MAX_EXP >= 16384
+  TEST_f_f (y1, 0x1p16382L, 1.2193782500509000574176799046642541129387e-2466L);
+  TEST_f_f (y1, 0x1p16383L, -9.5859502826270374691362975419147645151233e-2467L);
 #endif
 
   TEST_f_f (y1, 0x1p-10L, -6.5190099301063115047395187618929589514382e+02L);
@@ -10539,7 +11223,7 @@ yn_test (void)
   TEST_ff_f (yn, 0, -1.0, minus_infty, INVALID_EXCEPTION);
   TEST_ff_f (yn, 0, -max_value, minus_infty, INVALID_EXCEPTION);
   TEST_ff_f (yn, 0, 0.0, minus_infty);
-  TEST_ff_f (yn, 0, nan_value, nan_value);
+  TEST_ff_f (yn, 0, qnan_value, qnan_value);
   TEST_ff_f (yn, 0, plus_infty, 0);
 
   TEST_ff_f (yn, 0, 0.125L, -1.38968062514384052915582277745018693L);
@@ -10554,7 +11238,7 @@ yn_test (void)
   TEST_ff_f (yn, 1, -1.0, minus_infty, INVALID_EXCEPTION);
   TEST_ff_f (yn, 1, 0.0, minus_infty);
   TEST_ff_f (yn, 1, plus_infty, 0);
-  TEST_ff_f (yn, 1, nan_value, nan_value);
+  TEST_ff_f (yn, 1, qnan_value, qnan_value);
 
   TEST_ff_f (yn, 1, 0.125L, -5.19993611253477499595928744876579921L);
   TEST_ff_f (yn, 1, 0.75L, -1.03759455076928541973767132140642198L);
@@ -10566,7 +11250,7 @@ yn_test (void)
 
   /* yn (3, x)  */
   TEST_ff_f (yn, 3, plus_infty, 0);
-  TEST_ff_f (yn, 3, nan_value, nan_value);
+  TEST_ff_f (yn, 3, qnan_value, qnan_value);
 
   TEST_ff_f (yn, 3, 0.125L, -2612.69757350066712600220955744091741L);
   TEST_ff_f (yn, 3, 0.75L, -12.9877176234475433186319774484809207L);
@@ -10576,7 +11260,7 @@ yn_test (void)
 
   /* yn (10, x)  */
   TEST_ff_f (yn, 10, plus_infty, 0);
-  TEST_ff_f (yn, 10, nan_value, nan_value);
+  TEST_ff_f (yn, 10, qnan_value, qnan_value);
 
   TEST_ff_f (yn, 10, 0.125L, -127057845771019398.252538486899753195L);
   TEST_ff_f (yn, 10, 0.75L, -2133501638.90573424452445412893839236L);
@@ -10600,6 +11284,9 @@ static void
 significand_test (void)
 {
   /* significand returns the mantissa of the exponential representation.  */
+
+  /* TODO: missing +/-Inf as well as qNaN tests.  */
+
   START (significand);
 
   TEST_f_f (significand, 4.0, 1.0);
@@ -10614,10 +11301,10 @@ static void
 initialize (void)
 {
   fpstack_test ("start *init*");
-  plus_zero = 0.0;
-  nan_value = plus_zero / plus_zero;	/* Suppress GCC warning */
 
-  minus_zero = FUNC(copysign) (0.0, -1.0);
+  plus_zero = 0.0;
+  qnan_value = FUNC (__builtin_nan) ("");
+  minus_zero = FUNC (copysign) (0.0, -1.0);
   plus_infty = CHOOSE (HUGE_VALL, HUGE_VAL, HUGE_VALF,
 		       HUGE_VALL, HUGE_VAL, HUGE_VALF);
   minus_infty = CHOOSE (-HUGE_VALL, -HUGE_VAL, -HUGE_VALF,
@@ -10634,7 +11321,7 @@ initialize (void)
 			      __FLT_DENORM_MIN__);
 
   (void) &plus_zero;
-  (void) &nan_value;
+  (void) &qnan_value;
   (void) &minus_zero;
   (void) &plus_infty;
   (void) &minus_infty;