diff options
| author | Joseph Myers <joseph@codesourcery.com> | 2013-04-02 22:54:00 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2013-04-02 22:54:00 +0000 |
| commit | 52ce486045074d0af0298082f94e385e6b2fe443 (patch) | |
| tree | 472a67e3c1b2881643aaa315cbfc32fee80e38a0 /math | |
| parent | e7906a4789f9f6ac4cd4a99522832753887a8cc7 (diff) | |
Fix cacosh inaccuracy and spurious exceptions (bug 15327).
Diffstat (limited to 'math')
| -rw-r--r-- | math/libm-test.inc | 600 | ||||
| -rw-r--r-- | math/s_cacosh.c | 32 | ||||
| -rw-r--r-- | math/s_cacoshf.c | 33 | ||||
| -rw-r--r-- | math/s_cacoshl.c | 33 |
4 files changed, 639 insertions, 59 deletions
diff --git a/math/libm-test.inc b/math/libm-test.inc index 1d3ba48b7d..c9ed719d18 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -2166,6 +2166,606 @@ cacosh_test (void) TEST_c_c (cacosh, 1.5L, plus_zero, 0.9624236501192068949955178268487368462704L, plus_zero); TEST_c_c (cacosh, 1.5L, minus_zero, 0.9624236501192068949955178268487368462704L, minus_zero); + TEST_c_c (cacosh, 0x1p50L, 1.0L, 3.535050620855721078027883819436720218708e1L, 8.881784197001252323389053344727730248720e-16L); + TEST_c_c (cacosh, 0x1p50L, -1.0L, 3.535050620855721078027883819436720218708e1L, -8.881784197001252323389053344727730248720e-16L); + TEST_c_c (cacosh, -0x1p50L, 1.0L, 3.535050620855721078027883819436720218708e1L, 3.141592653589792350284223683154270545292L); + TEST_c_c (cacosh, -0x1p50L, -1.0L, 3.535050620855721078027883819436720218708e1L, -3.141592653589792350284223683154270545292L); + TEST_c_c (cacosh, 1.0L, 0x1p50L, 3.535050620855721078027883819436759661753e1L, 1.570796326794895731052901991514519103193L); + TEST_c_c (cacosh, -1.0L, 0x1p50L, 3.535050620855721078027883819436759661753e1L, 1.570796326794897507409741391764983781004L); + TEST_c_c (cacosh, 1.0L, -0x1p50L, 3.535050620855721078027883819436759661753e1L, -1.570796326794895731052901991514519103193L); + TEST_c_c (cacosh, -1.0L, -0x1p50L, 3.535050620855721078027883819436759661753e1L, -1.570796326794897507409741391764983781004L); +#ifndef TEST_FLOAT + TEST_c_c (cacosh, 0x1p500L, 1.0L, 3.472667374605326000180332928505464606058e2L, 3.054936363499604682051979393213617699789e-151L); + TEST_c_c (cacosh, 0x1p500L, -1.0L, 3.472667374605326000180332928505464606058e2L, -3.054936363499604682051979393213617699789e-151L); + TEST_c_c (cacosh, -0x1p500L, 1.0L, 3.472667374605326000180332928505464606058e2L, 3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, -0x1p500L, -1.0L, 3.472667374605326000180332928505464606058e2L, -3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 1.0L, 0x1p500L, 3.472667374605326000180332928505464606058e2L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -1.0L, 0x1p500L, 3.472667374605326000180332928505464606058e2L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 1.0L, -0x1p500L, 3.472667374605326000180332928505464606058e2L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -1.0L, -0x1p500L, 3.472667374605326000180332928505464606058e2L, -1.570796326794896619231321691639751442099L); +#endif +#if defined TEST_LDOUBLE && LDBL_MAX_EXP >= 16384 + TEST_c_c (cacosh, 0x1p5000L, 1.0L, 3.466429049980286492395577839412341016946e3L, 7.079811261048172892385615158694057552948e-1506L); + TEST_c_c (cacosh, 0x1p5000L, -1.0L, 3.466429049980286492395577839412341016946e3L, -7.079811261048172892385615158694057552948e-1506L); + TEST_c_c (cacosh, -0x1p5000L, 1.0L, 3.466429049980286492395577839412341016946e3L, 3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, -0x1p5000L, -1.0L, 3.466429049980286492395577839412341016946e3L, -3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 1.0L, 0x1p5000L, 3.466429049980286492395577839412341016946e3L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -1.0L, 0x1p5000L, 3.466429049980286492395577839412341016946e3L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 1.0L, -0x1p5000L, 3.466429049980286492395577839412341016946e3L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -1.0L, -0x1p5000L, 3.466429049980286492395577839412341016946e3L, -1.570796326794896619231321691639751442099L); +#endif + TEST_c_c (cacosh, 0x1.fp127L, 0x1.fp127L, 8.973081118419833726837456344608533993585e1L, 7.853981633974483096156608458198757210493e-1L); +#ifndef TEST_FLOAT + TEST_c_c (cacosh, 0x1.fp1023L, 0x1.fp1023L, 7.107906849659093345062145442726115449315e2L, 7.853981633974483096156608458198757210493e-1L); +#endif +#if defined TEST_LDOUBLE && LDBL_MAX_EXP >= 16384 + TEST_c_c (cacosh, 0x1.fp16383L, 0x1.fp16383L, 1.135753137836666928715489992987020363057e4L, 7.853981633974483096156608458198757210493e-1L); +#endif + TEST_c_c (cacosh, 0x1.fp-129L, 1.5L, 1.194763217287109304111930828519090523536L, 1.570796326794896619231321691639751442097L); + TEST_c_c (cacosh, 0x1.fp-129L, -1.5L, 1.194763217287109304111930828519090523536L, -1.570796326794896619231321691639751442097L); + TEST_c_c (cacosh, -0x1.fp-129L, 1.5L, 1.194763217287109304111930828519090523536L, 1.570796326794896619231321691639751442100L); + TEST_c_c (cacosh, -0x1.fp-129L, -1.5L, 1.194763217287109304111930828519090523536L, -1.570796326794896619231321691639751442100L); + TEST_c_c (cacosh, 1.5L, 0x1.fp-129L, 9.624236501192068949955178268487368462704e-1L, 2.546345110742945032959687790021055102355e-39L, UNDERFLOW_EXCEPTION_FLOAT); + TEST_c_c (cacosh, -1.5L, 0x1.fp-129L, 9.624236501192068949955178268487368462704e-1L, 3.141592653589793238462643383279502884195L); + TEST_c_c (cacosh, 1.5L, -0x1.fp-129L, 9.624236501192068949955178268487368462704e-1L, -2.546345110742945032959687790021055102355e-39L, UNDERFLOW_EXCEPTION_FLOAT); + TEST_c_c (cacosh, -1.5L, -0x1.fp-129L, 9.624236501192068949955178268487368462704e-1L, -3.141592653589793238462643383279502884195L); +#ifndef TEST_FLOAT + TEST_c_c (cacosh, 0x1.fp-1025L, 1.5L, 1.194763217287109304111930828519090523536L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-1025L, -1.5L, 1.194763217287109304111930828519090523536L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1025L, 1.5L, 1.194763217287109304111930828519090523536L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1025L, -1.5L, 1.194763217287109304111930828519090523536L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 1.5L, 0x1.fp-1025L, 9.624236501192068949955178268487368462704e-1L, 4.819934639999230680322935210539402497827e-309L, UNDERFLOW_EXCEPTION_DOUBLE); + TEST_c_c (cacosh, -1.5L, 0x1.fp-1025L, 9.624236501192068949955178268487368462704e-1L, 3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 1.5L, -0x1.fp-1025L, 9.624236501192068949955178268487368462704e-1L, -4.819934639999230680322935210539402497827e-309L, UNDERFLOW_EXCEPTION_DOUBLE); + TEST_c_c (cacosh, -1.5L, -0x1.fp-1025L, 9.624236501192068949955178268487368462704e-1L, -3.141592653589793238462643383279502884197L); +#endif +#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381 + TEST_c_c (cacosh, 0x1.fp-16385L, 1.5L, 1.194763217287109304111930828519090523536L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-16385L, -1.5L, 1.194763217287109304111930828519090523536L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-16385L, 1.5L, 1.194763217287109304111930828519090523536L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-16385L, -1.5L, 1.194763217287109304111930828519090523536L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 1.5L, 0x1.fp-16385L, 9.624236501192068949955178268487368462704e-1L, 7.282957076134209141226696333885150260319e-4933L, UNDERFLOW_EXCEPTION); + TEST_c_c (cacosh, -1.5L, 0x1.fp-16385L, 9.624236501192068949955178268487368462704e-1L, 3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 1.5L, -0x1.fp-16385L, 9.624236501192068949955178268487368462704e-1L, -7.282957076134209141226696333885150260319e-4933L, UNDERFLOW_EXCEPTION); + TEST_c_c (cacosh, -1.5L, -0x1.fp-16385L, 9.624236501192068949955178268487368462704e-1L, -3.141592653589793238462643383279502884197L); +#endif + TEST_c_c (cacosh, 0.5L, 1.0L, 9.261330313501824245501244453057873152694e-1L, 1.221357263937683325603909865564381489366L); + TEST_c_c (cacosh, 0.5L, -1.0L, 9.261330313501824245501244453057873152694e-1L, -1.221357263937683325603909865564381489366L); + TEST_c_c (cacosh, -0.5L, 1.0L, 9.261330313501824245501244453057873152694e-1L, 1.920235389652109912858733517715121394831L); + TEST_c_c (cacosh, -0.5L, -1.0L, 9.261330313501824245501244453057873152694e-1L, -1.920235389652109912858733517715121394831L); + TEST_c_c (cacosh, 1.0L, 0.5L, 7.328576759736452608886724437653071523305e-1L, 6.748888455860063801646649673121744318756e-1L); + TEST_c_c (cacosh, -1.0L, 0.5L, 7.328576759736452608886724437653071523305e-1L, 2.466703808003786858297978415967328452322L); + TEST_c_c (cacosh, 1.0L, -0.5L, 7.328576759736452608886724437653071523305e-1L, -6.748888455860063801646649673121744318756e-1L); + TEST_c_c (cacosh, -1.0L, -0.5L, 7.328576759736452608886724437653071523305e-1L, -2.466703808003786858297978415967328452322L); + TEST_c_c (cacosh, 0.25L, 1.0L, 8.924633639033482359562124741744951972772e-1L, 1.394493894017929688812643125003661339452L); + TEST_c_c (cacosh, 0.25L, -1.0L, 8.924633639033482359562124741744951972772e-1L, -1.394493894017929688812643125003661339452L); + TEST_c_c (cacosh, -0.25L, 1.0L, 8.924633639033482359562124741744951972772e-1L, 1.747098759571863549650000258275841544745L); + TEST_c_c (cacosh, -0.25L, -1.0L, 8.924633639033482359562124741744951972772e-1L, -1.747098759571863549650000258275841544745L); + TEST_c_c (cacosh, 1.0L, 0.25L, 5.097911466811016354623559941115413499164e-1L, 4.890443302710802929202843732146540079124e-1L); + TEST_c_c (cacosh, -1.0L, 0.25L, 5.097911466811016354623559941115413499164e-1L, 2.652548323318712945542359010064848876285L); + TEST_c_c (cacosh, 1.0L, -0.25L, 5.097911466811016354623559941115413499164e-1L, -4.890443302710802929202843732146540079124e-1L); + TEST_c_c (cacosh, -1.0L, -0.25L, 5.097911466811016354623559941115413499164e-1L, -2.652548323318712945542359010064848876285L); + TEST_c_c (cacosh, 0x1.fp-10L, 1.0L, 8.813742198809567991336704287826445879025e-1L, 1.569458417435338878318763342108699202986L); + TEST_c_c (cacosh, 0x1.fp-10L, -1.0L, 8.813742198809567991336704287826445879025e-1L, -1.569458417435338878318763342108699202986L); + TEST_c_c (cacosh, -0x1.fp-10L, 1.0L, 8.813742198809567991336704287826445879025e-1L, 1.572134236154454360143880041170803681211L); + TEST_c_c (cacosh, -0x1.fp-10L, -1.0L, 8.813742198809567991336704287826445879025e-1L, -1.572134236154454360143880041170803681211L); + TEST_c_c (cacosh, 1.0L, 0x1.fp-10L, 4.350501469856803800217957402220976497152e-2L, 4.349129763101882771258049954181971959031e-2L); + TEST_c_c (cacosh, -1.0L, 0x1.fp-10L, 4.350501469856803800217957402220976497152e-2L, 3.098101355958774410750062883737683164607L); + TEST_c_c (cacosh, 1.0L, -0x1.fp-10L, 4.350501469856803800217957402220976497152e-2L, -4.349129763101882771258049954181971959031e-2L); + TEST_c_c (cacosh, -1.0L, -0x1.fp-10L, 4.350501469856803800217957402220976497152e-2L, -3.098101355958774410750062883737683164607L); + TEST_c_c (cacosh, 0x1.fp-30L, 1.0L, 8.813735870195430258081932989769495326854e-1L, 1.570796325518966635014803151387033957091L); + TEST_c_c (cacosh, 0x1.fp-30L, -1.0L, 8.813735870195430258081932989769495326854e-1L, -1.570796325518966635014803151387033957091L); + TEST_c_c (cacosh, -0x1.fp-30L, 1.0L, 8.813735870195430258081932989769495326854e-1L, 1.570796328070826603447840231892468927106L); + TEST_c_c (cacosh, -0x1.fp-30L, -1.0L, 8.813735870195430258081932989769495326854e-1L, -1.570796328070826603447840231892468927106L); + TEST_c_c (cacosh, 1.0L, 0x1.fp-30L, 4.247867098745151888768727039216644758847e-5L, 4.247867097467650115899790787875186617316e-5L); + TEST_c_c (cacosh, -1.0L, 0x1.fp-30L, 4.247867098745151888768727039216644758847e-5L, 3.141550174918818561961484385371624132331L); + TEST_c_c (cacosh, 1.0L, -0x1.fp-30L, 4.247867098745151888768727039216644758847e-5L, -4.247867097467650115899790787875186617316e-5L); + TEST_c_c (cacosh, -1.0L, -0x1.fp-30L, 4.247867098745151888768727039216644758847e-5L, -3.141550174918818561961484385371624132331L); + TEST_c_c (cacosh, 0x1.fp-100L, 1.0L, 8.813735870195430252326093249797923090282e-1L, 1.570796326794896619231321691638670687364L); + TEST_c_c (cacosh, 0x1.fp-100L, -1.0L, 8.813735870195430252326093249797923090282e-1L, -1.570796326794896619231321691638670687364L); + TEST_c_c (cacosh, -0x1.fp-100L, 1.0L, 8.813735870195430252326093249797923090282e-1L, 1.570796326794896619231321691640832196834L); + TEST_c_c (cacosh, -0x1.fp-100L, -1.0L, 8.813735870195430252326093249797923090282e-1L, -1.570796326794896619231321691640832196834L); + TEST_c_c (cacosh, 1.0L, 0x1.fp-100L, 1.236292038260260888664514866457202186027e-15L, 1.236292038260260888664514866456887257525e-15L); + TEST_c_c (cacosh, -1.0L, 0x1.fp-100L, 1.236292038260260888664514866457202186027e-15L, 3.141592653589792002170605123018614219682L); + TEST_c_c (cacosh, 1.0L, -0x1.fp-100L, 1.236292038260260888664514866457202186027e-15L, -1.236292038260260888664514866456887257525e-15L); + TEST_c_c (cacosh, -1.0L, -0x1.fp-100L, 1.236292038260260888664514866457202186027e-15L, -3.141592653589792002170605123018614219682L); + TEST_c_c (cacosh, 0x1.fp-129L, 1.0L, 8.813735870195430252326093249797923090282e-1L, 1.570796326794896619231321691639751442097L); + TEST_c_c (cacosh, 0x1.fp-129L, -1.0L, 8.813735870195430252326093249797923090282e-1L, -1.570796326794896619231321691639751442097L); + TEST_c_c (cacosh, -0x1.fp-129L, 1.0L, 8.813735870195430252326093249797923090282e-1L, 1.570796326794896619231321691639751442101L); + TEST_c_c (cacosh, -0x1.fp-129L, -1.0L, 8.813735870195430252326093249797923090282e-1L, -1.570796326794896619231321691639751442101L); + TEST_c_c (cacosh, 1.0L, 0x1.fp-129L, 5.335635276982233498398987585285818977933e-20L, 5.335635276982233498398987585285818977930e-20L); + TEST_c_c (cacosh, -1.0L, 0x1.fp-129L, 5.335635276982233498398987585285818977933e-20L, 3.141592653589793238409287030509680549213L); + TEST_c_c (cacosh, 1.0L, -0x1.fp-129L, 5.335635276982233498398987585285818977933e-20L, -5.335635276982233498398987585285818977930e-20L); + TEST_c_c (cacosh, -1.0L, -0x1.fp-129L, 5.335635276982233498398987585285818977933e-20L, -3.141592653589793238409287030509680549213L); +#ifndef TEST_FLOAT + TEST_c_c (cacosh, 0x1.fp-1000L, 1.0L, 8.813735870195430252326093249797923090282e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-1000L, -1.0L, 8.813735870195430252326093249797923090282e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1000L, 1.0L, 8.813735870195430252326093249797923090282e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1000L, -1.0L, 8.813735870195430252326093249797923090282e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 1.0L, 0x1.fp-1000L, 4.252291453851660175550490409247739011867e-151L, 4.252291453851660175550490409247739011867e-151L); + TEST_c_c (cacosh, -1.0L, 0x1.fp-1000L, 4.252291453851660175550490409247739011867e-151L, 3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 1.0L, -0x1.fp-1000L, 4.252291453851660175550490409247739011867e-151L, -4.252291453851660175550490409247739011867e-151L); + TEST_c_c (cacosh, -1.0L, -0x1.fp-1000L, 4.252291453851660175550490409247739011867e-151L, -3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 0x1.fp-1025L, 1.0L, 8.813735870195430252326093249797923090282e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-1025L, -1.0L, 8.813735870195430252326093249797923090282e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1025L, 1.0L, 8.813735870195430252326093249797923090282e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1025L, -1.0L, 8.813735870195430252326093249797923090282e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 1.0L, 0x1.fp-1025L, 7.340879205566679497036857179189356754017e-155L, 7.340879205566679497036857179189356754017e-155L); + TEST_c_c (cacosh, -1.0L, 0x1.fp-1025L, 7.340879205566679497036857179189356754017e-155L, 3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 1.0L, -0x1.fp-1025L, 7.340879205566679497036857179189356754017e-155L, -7.340879205566679497036857179189356754017e-155L); + TEST_c_c (cacosh, -1.0L, -0x1.fp-1025L, 7.340879205566679497036857179189356754017e-155L, -3.141592653589793238462643383279502884197L); +#endif +#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381 + TEST_c_c (cacosh, 0x1.fp-10000L, 1.0L, 8.813735870195430252326093249797923090282e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-10000L, -1.0L, 8.813735870195430252326093249797923090282e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-10000L, 1.0L, 8.813735870195430252326093249797923090282e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-10000L, -1.0L, 8.813735870195430252326093249797923090282e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 1.0L, 0x1.fp-10000L, 9.854680208706673586644342922051388714633e-1506L, 9.854680208706673586644342922051388714633e-1506L); + TEST_c_c (cacosh, -1.0L, 0x1.fp-10000L, 9.854680208706673586644342922051388714633e-1506L, 3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 1.0L, -0x1.fp-10000L, 9.854680208706673586644342922051388714633e-1506L, -9.854680208706673586644342922051388714633e-1506L); + TEST_c_c (cacosh, -1.0L, -0x1.fp-10000L, 9.854680208706673586644342922051388714633e-1506L, -3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 0x1.fp-16385L, 1.0L, 8.813735870195430252326093249797923090282e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-16385L, -1.0L, 8.813735870195430252326093249797923090282e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-16385L, 1.0L, 8.813735870195430252326093249797923090282e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-16385L, -1.0L, 8.813735870195430252326093249797923090282e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 1.0L, 0x1.fp-16385L, 9.023632056840860275214893047597614177639e-2467L, 9.023632056840860275214893047597614177639e-2467L); + TEST_c_c (cacosh, -1.0L, 0x1.fp-16385L, 9.023632056840860275214893047597614177639e-2467L, 3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 1.0L, -0x1.fp-16385L, 9.023632056840860275214893047597614177639e-2467L, -9.023632056840860275214893047597614177639e-2467L); + TEST_c_c (cacosh, -1.0L, -0x1.fp-16385L, 9.023632056840860275214893047597614177639e-2467L, -3.141592653589793238462643383279502884197L); +#endif + TEST_c_c (cacosh, 0x1p-23L, 0x1.000002p0L, 8.813736713132400470205730751186547909968e-1L, 1.570796242501204621739026081991856762292L); + TEST_c_c (cacosh, 0x1p-23L, -0x1.000002p0L, 8.813736713132400470205730751186547909968e-1L, -1.570796242501204621739026081991856762292L); + TEST_c_c (cacosh, -0x1p-23L, 0x1.000002p0L, 8.813736713132400470205730751186547909968e-1L, 1.570796411088588616723617301287646121905L); + TEST_c_c (cacosh, -0x1p-23L, -0x1.000002p0L, 8.813736713132400470205730751186547909968e-1L, -1.570796411088588616723617301287646121905L); + TEST_c_c (cacosh, 0x1.000002p0L, 0x1p-23L, 5.364668491573609633134147164031476452679e-4L, 2.222118384408546368406374049167636760903e-4L); + TEST_c_c (cacosh, -0x1.000002p0L, 0x1p-23L, 5.364668491573609633134147164031476452679e-4L, 3.141370441751352383825802745874586120521L); + TEST_c_c (cacosh, 0x1.000002p0L, -0x1p-23L, 5.364668491573609633134147164031476452679e-4L, -2.222118384408546368406374049167636760903e-4L); + TEST_c_c (cacosh, -0x1.000002p0L, -0x1p-23L, 5.364668491573609633134147164031476452679e-4L, -3.141370441751352383825802745874586120521L); + TEST_c_c (cacosh, 0x1.fp-129L, 0x1.000002p0L, 8.813736713132375348727889167749389235161e-1L, 1.570796326794896619231321691639751442097L); + TEST_c_c (cacosh, 0x1.fp-129L, -0x1.000002p0L, 8.813736713132375348727889167749389235161e-1L, -1.570796326794896619231321691639751442097L); + TEST_c_c (cacosh, -0x1.fp-129L, 0x1.000002p0L, 8.813736713132375348727889167749389235161e-1L, 1.570796326794896619231321691639751442101L); + TEST_c_c (cacosh, -0x1.fp-129L, -0x1.000002p0L, 8.813736713132375348727889167749389235161e-1L, -1.570796326794896619231321691639751442101L); + TEST_c_c (cacosh, 0x1.000002p0L, 0x1.fp-129L, 4.882812451493617206486388134172712975070e-4L, 5.830451806317544230969669308596361881467e-36L); + TEST_c_c (cacosh, -0x1.000002p0L, 0x1.fp-129L, 4.882812451493617206486388134172712975070e-4L, 3.141592653589793238462643383279502878367L); + TEST_c_c (cacosh, 0x1.000002p0L, -0x1.fp-129L, 4.882812451493617206486388134172712975070e-4L, -5.830451806317544230969669308596361881467e-36L); + TEST_c_c (cacosh, -0x1.000002p0L, -0x1.fp-129L, 4.882812451493617206486388134172712975070e-4L, -3.141592653589793238462643383279502878367L); + TEST_c_c (cacosh, 0.0L, 0x1.000002p0L, 8.813736713132375348727889167749389235161e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0.0L, -0x1.000002p0L, 8.813736713132375348727889167749389235161e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, 0x1.000002p0L, 8.813736713132375348727889167749389235161e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, -0x1.000002p0L, 8.813736713132375348727889167749389235161e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.000002p0L, 0.0L, 4.882812451493617206486388134172712975070e-4L, 0.0L); + TEST_c_c (cacosh, -0x1.000002p0L, 0.0L, 4.882812451493617206486388134172712975070e-4L, 3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 0x1.000002p0L, -0.0L, 4.882812451493617206486388134172712975070e-4L, -0.0L); + TEST_c_c (cacosh, -0x1.000002p0L, -0.0L, 4.882812451493617206486388134172712975070e-4L, -3.141592653589793238462643383279502884197L); +#ifndef TEST_FLOAT + TEST_c_c (cacosh, 0x1p-52L, 0x1.0000000000001p0L, 8.813735870195431822418551933572982483664e-1L, 1.570796326794896462222075823262262934288L); + TEST_c_c (cacosh, 0x1p-52L, -0x1.0000000000001p0L, 8.813735870195431822418551933572982483664e-1L, -1.570796326794896462222075823262262934288L); + TEST_c_c (cacosh, -0x1p-52L, 0x1.0000000000001p0L, 8.813735870195431822418551933572982483664e-1L, 1.570796326794896776240567560017239949909L); + TEST_c_c (cacosh, -0x1p-52L, -0x1.0000000000001p0L, 8.813735870195431822418551933572982483664e-1L, -1.570796326794896776240567560017239949909L); + TEST_c_c (cacosh, 0x1.0000000000001p0L, 0x1p-52L, 2.315303644582684770975188768022139415020e-8L, 9.590301705980041385828904092662391018164e-9L); + TEST_c_c (cacosh, -0x1.0000000000001p0L, 0x1p-52L, 2.315303644582684770975188768022139415020e-8L, 3.141592643999491532482601997450598791535L); + TEST_c_c (cacosh, 0x1.0000000000001p0L, -0x1p-52L, 2.315303644582684770975188768022139415020e-8L, -9.590301705980041385828904092662391018164e-9L); + TEST_c_c (cacosh, -0x1.0000000000001p0L, -0x1p-52L, 2.315303644582684770975188768022139415020e-8L, -3.141592643999491532482601997450598791535L); + TEST_c_c (cacosh, 0x1.fp-1025L, 0x1.0000000000001p0L, 8.813735870195431822418551933572895326024e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-1025L, -0x1.0000000000001p0L, 8.813735870195431822418551933572895326024e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1025L, 0x1.0000000000001p0L, 8.813735870195431822418551933572895326024e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1025L, -0x1.0000000000001p0L, 8.813735870195431822418551933572895326024e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.0000000000001p0L, 0x1.fp-1025L, 2.107342425544701550354780375182800088393e-8L, 2.557178503953494342609835913586108008322e-301L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM); + TEST_c_c (cacosh, -0x1.0000000000001p0L, 0x1.fp-1025L, 2.107342425544701550354780375182800088393e-8L, 3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 0x1.0000000000001p0L, -0x1.fp-1025L, 2.107342425544701550354780375182800088393e-8L, -2.557178503953494342609835913586108008322e-301L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM); + TEST_c_c (cacosh, -0x1.0000000000001p0L, -0x1.fp-1025L, 2.107342425544701550354780375182800088393e-8L, -3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 0.0L, 0x1.0000000000001p0L, 8.813735870195431822418551933572895326024e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0.0L, -0x1.0000000000001p0L, 8.813735870195431822418551933572895326024e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, 0x1.0000000000001p0L, 8.813735870195431822418551933572895326024e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, -0x1.0000000000001p0L, 8.813735870195431822418551933572895326024e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.0000000000001p0L, 0.0L, 2.107342425544701550354780375182800088393e-8L, 0.0L); + TEST_c_c (cacosh, -0x1.0000000000001p0L, 0.0L, 2.107342425544701550354780375182800088393e-8L, 3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 0x1.0000000000001p0L, -0.0L, 2.107342425544701550354780375182800088393e-8L, -0.0L); + TEST_c_c (cacosh, -0x1.0000000000001p0L, -0.0L, 2.107342425544701550354780375182800088393e-8L, -3.141592653589793238462643383279502884197L); +#endif +#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64 + TEST_c_c (cacosh, 0x1p-63L, 0x1.0000000000000002p0L, 8.813735870195430253092739958139610131001e-1L, 1.570796326794896619154657020805582738031L); + TEST_c_c (cacosh, 0x1p-63L, -0x1.0000000000000002p0L, 8.813735870195430253092739958139610131001e-1L, -1.570796326794896619154657020805582738031L); + TEST_c_c (cacosh, -0x1p-63L, 0x1.0000000000000002p0L, 8.813735870195430253092739958139610131001e-1L, 1.570796326794896619307986362473920146166L); + TEST_c_c (cacosh, -0x1p-63L, -0x1.0000000000000002p0L, 8.813735870195430253092739958139610131001e-1L, -1.570796326794896619307986362473920146166L); + TEST_c_c (cacosh, 0x1.0000000000000002p0L, 0x1p-63L, 5.116146586219826555037807251857670783420e-10L, 2.119177303101063432592523199680782317447e-10L); + TEST_c_c (cacosh, -0x1.0000000000000002p0L, 0x1p-63L, 5.116146586219826555037807251857670783420e-10L, 3.141592653377875508152537040020250564229L); + TEST_c_c (cacosh, 0x1.0000000000000002p0L, -0x1p-63L, 5.116146586219826555037807251857670783420e-10L, -2.119177303101063432592523199680782317447e-10L); + TEST_c_c (cacosh, -0x1.0000000000000002p0L, -0x1p-63L, 5.116146586219826555037807251857670783420e-10L, -3.141592653377875508152537040020250564229L); +# if LDBL_MIN_EXP <= -16381 + TEST_c_c (cacosh, 0x1.fp-16385L, 0x1.0000000000000002p0L, 8.813735870195430253092739958139610130980e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-16385L, -0x1.0000000000000002p0L, 8.813735870195430253092739958139610130980e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-16385L, 0x1.0000000000000002p0L, 8.813735870195430253092739958139610130980e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-16385L, -0x1.0000000000000002p0L, 8.813735870195430253092739958139610130980e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.0000000000000002p0L, 0x1.fp-16385L, 4.656612873077392578082927418388212703712e-10L, 1.748608650034385653922359120438227480943e-4923L); + TEST_c_c (cacosh, -0x1.0000000000000002p0L, 0x1.fp-16385L, 4.656612873077392578082927418388212703712e-10L, 3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 0x1.0000000000000002p0L, -0x1.fp-16385L, 4.656612873077392578082927418388212703712e-10L, -1.748608650034385653922359120438227480943e-4923L); + TEST_c_c (cacosh, -0x1.0000000000000002p0L, -0x1.fp-16385L, 4.656612873077392578082927418388212703712e-10L, -3.141592653589793238462643383279502884197L); +# endif + TEST_c_c (cacosh, 0.0L, 0x1.0000000000000002p0L, 8.813735870195430253092739958139610130980e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0.0L, -0x1.0000000000000002p0L, 8.813735870195430253092739958139610130980e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, 0x1.0000000000000002p0L, 8.813735870195430253092739958139610130980e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, -0x1.0000000000000002p0L, 8.813735870195430253092739958139610130980e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.0000000000000002p0L, 0.0L, 4.656612873077392578082927418388212703712e-10L, 0.0L); + TEST_c_c (cacosh, -0x1.0000000000000002p0L, 0.0L, 4.656612873077392578082927418388212703712e-10L, 3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 0x1.0000000000000002p0L, -0.0L, 4.656612873077392578082927418388212703712e-10L, -0.0L); + TEST_c_c (cacosh, -0x1.0000000000000002p0L, -0.0L, 4.656612873077392578082927418388212703712e-10L, -3.141592653589793238462643383279502884197L); +#endif +#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106 + TEST_c_c (cacosh, 0x1p-106L, 0x1.000000000000000000000000008p0L, 8.813735870195430252326093249798097405561e-1L, 1.570796326794896619231321691639742726335L); + TEST_c_c (cacosh, 0x1p-106L, -0x1.000000000000000000000000008p0L, 8.813735870195430252326093249798097405561e-1L, -1.570796326794896619231321691639742726335L); + TEST_c_c (cacosh, -0x1p-106L, 0x1.000000000000000000000000008p0L, 8.813735870195430252326093249798097405561e-1L, 1.570796326794896619231321691639760157863L); + TEST_c_c (cacosh, -0x1p-106L, -0x1.000000000000000000000000008p0L, 8.813735870195430252326093249798097405561e-1L, -1.570796326794896619231321691639760157863L); + TEST_c_c (cacosh, 0x1.000000000000000000000000008p0L, 0x1p-106L, 2.285028863093221674154232933662774454211e-16L, 5.394221422390606848017034778914096659726e-17L); + TEST_c_c (cacosh, -0x1.000000000000000000000000008p0L, 0x1p-106L, 2.285028863093221674154232933662774454211e-16L, 3.141592653589793184520429159373434404027L); + TEST_c_c (cacosh, 0x1.000000000000000000000000008p0L, -0x1p-106L, 2.285028863093221674154232933662774454211e-16L, -5.394221422390606848017034778914096659726e-17L); + TEST_c_c (cacosh, -0x1.000000000000000000000000008p0L, -0x1p-106L, 2.285028863093221674154232933662774454211e-16L, -3.141592653589793184520429159373434404027L); + TEST_c_c (cacosh, 0x1.fp-1025L, 0x1.000000000000000000000000008p0L, 8.813735870195430252326093249798097405561e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-1025L, -0x1.000000000000000000000000008p0L, 8.813735870195430252326093249798097405561e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1025L, 0x1.000000000000000000000000008p0L, 8.813735870195430252326093249798097405561e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1025L, -0x1.000000000000000000000000008p0L, 8.813735870195430252326093249798097405561e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.000000000000000000000000008p0L, 0x1.fp-1025L, 2.220446049250313080847263336181636063482e-16L, 2.426922623448365473354662093431821897807e-293L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM); + TEST_c_c (cacosh, -0x1.000000000000000000000000008p0L, 0x1.fp-1025L, 2.220446049250313080847263336181636063482e-16L, 3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 0x1.000000000000000000000000008p0L, -0x1.fp-1025L, 2.220446049250313080847263336181636063482e-16L, -2.426922623448365473354662093431821897807e-293L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM); + TEST_c_c (cacosh, -0x1.000000000000000000000000008p0L, -0x1.fp-1025L, 2.220446049250313080847263336181636063482e-16L, -3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 0.0L, 0x1.000000000000000000000000008p0L, 8.813735870195430252326093249798097405561e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0.0L, -0x1.000000000000000000000000008p0L, 8.813735870195430252326093249798097405561e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, 0x1.000000000000000000000000008p0L, 8.813735870195430252326093249798097405561e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, -0x1.000000000000000000000000008p0L, 8.813735870195430252326093249798097405561e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.000000000000000000000000008p0L, 0.0L, 2.220446049250313080847263336181636063482e-16L, 0.0L); + TEST_c_c (cacosh, -0x1.000000000000000000000000008p0L, 0.0L, 2.220446049250313080847263336181636063482e-16L, 3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 0x1.000000000000000000000000008p0L, -0.0L, 2.220446049250313080847263336181636063482e-16L, -0.0L); + TEST_c_c (cacosh, -0x1.000000000000000000000000008p0L, -0.0L, 2.220446049250313080847263336181636063482e-16L, -3.141592653589793238462643383279502884197L); +#endif +#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113 + TEST_c_c (cacosh, 0x1p-113L, 0x1.0000000000000000000000000001p0L, 8.813735870195430252326093249797924452120e-1L, 1.570796326794896619231321691639751374007L); + TEST_c_c (cacosh, 0x1p-113L, -0x1.0000000000000000000000000001p0L, 8.813735870195430252326093249797924452120e-1L, -1.570796326794896619231321691639751374007L); + TEST_c_c (cacosh, -0x1p-113L, 0x1.0000000000000000000000000001p0L, 8.813735870195430252326093249797924452120e-1L, 1.570796326794896619231321691639751510190L); + TEST_c_c (cacosh, -0x1p-113L, -0x1.0000000000000000000000000001p0L, 8.813735870195430252326093249797924452120e-1L, -1.570796326794896619231321691639751510190L); + TEST_c_c (cacosh, 0x1.0000000000000000000000000001p0L, 0x1p-113L, 2.019699255375255198156433710951064632386e-17L, 4.767863183742677481693563511435642755521e-18L); + TEST_c_c (cacosh, -0x1.0000000000000000000000000001p0L, 0x1p-113L, 2.019699255375255198156433710951064632386e-17L, 3.141592653589793233694780199536825402504L); + TEST_c_c (cacosh, 0x1.0000000000000000000000000001p0L, -0x1p-113L, 2.019699255375255198156433710951064632386e-17L, -4.767863183742677481693563511435642755521e-18L); + TEST_c_c (cacosh, -0x1.0000000000000000000000000001p0L, -0x1p-113L, 2.019699255375255198156433710951064632386e-17L, -3.141592653589793233694780199536825402504L); + TEST_c_c (cacosh, 0x1.fp-16385L, 0x1.0000000000000000000000000001p0L, 8.813735870195430252326093249797924452120e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-16385L, -0x1.0000000000000000000000000001p0L, 8.813735870195430252326093249797924452120e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-16385L, 0x1.0000000000000000000000000001p0L, 8.813735870195430252326093249797924452120e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-16385L, -0x1.0000000000000000000000000001p0L, 8.813735870195430252326093249797924452120e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.0000000000000000000000000001p0L, 0x1.fp-16385L, 1.962615573354718824241727964954454332780e-17L, 4.148847925325683229178506116378864361396e-4916L); + TEST_c_c (cacosh, -0x1.0000000000000000000000000001p0L, 0x1.fp-16385L, 1.962615573354718824241727964954454332780e-17L, 3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 0x1.0000000000000000000000000001p0L, -0x1.fp-16385L, 1.962615573354718824241727964954454332780e-17L, -4.148847925325683229178506116378864361396e-4916L); + TEST_c_c (cacosh, -0x1.0000000000000000000000000001p0L, -0x1.fp-16385L, 1.962615573354718824241727964954454332780e-17L, -3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 0.0L, 0x1.0000000000000000000000000001p0L, 8.813735870195430252326093249797924452120e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0.0L, -0x1.0000000000000000000000000001p0L, 8.813735870195430252326093249797924452120e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, 0x1.0000000000000000000000000001p0L, 8.813735870195430252326093249797924452120e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, -0x1.0000000000000000000000000001p0L, 8.813735870195430252326093249797924452120e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.0000000000000000000000000001p0L, 0.0L, 1.962615573354718824241727964954454332780e-17L, 0.0L); + TEST_c_c (cacosh, -0x1.0000000000000000000000000001p0L, 0.0L, 1.962615573354718824241727964954454332780e-17L, 3.141592653589793238462643383279502884197L); + TEST_c_c (cacosh, 0x1.0000000000000000000000000001p0L, -0.0L, 1.962615573354718824241727964954454332780e-17L, -0.0L); + TEST_c_c (cacosh, -0x1.0000000000000000000000000001p0L, -0.0L, 1.962615573354718824241727964954454332780e-17L, -3.141592653589793238462643383279502884197L); +#endif + TEST_c_c (cacosh, 0x1p-23L, 0x0.ffffffp0L, 8.813735448726963984495965873956465777250e-1L, 1.570796242501197085295336701632142060969L); + TEST_c_c (cacosh, 0x1p-23L, -0x0.ffffffp0L, 8.813735448726963984495965873956465777250e-1L, -1.570796242501197085295336701632142060969L); + TEST_c_c (cacosh, -0x1p-23L, 0x0.ffffffp0L, 8.813735448726963984495965873956465777250e-1L, 1.570796411088596153167306681647360823228L); + TEST_c_c (cacosh, -0x1p-23L, -0x0.ffffffp0L, 8.813735448726963984495965873956465777250e-1L, -1.570796411088596153167306681647360823228L); + TEST_c_c (cacosh, 0x0.ffffffp0L, 0x1p-23L, 2.714321200917194650737217746780928423385e-4L, 4.391863861910487109445187743978204002614e-4L); + TEST_c_c (cacosh, -0x0.ffffffp0L, 0x1p-23L, 2.714321200917194650737217746780928423385e-4L, 3.141153467203602189751698864505105063797L); + TEST_c_c (cacosh, 0x0.ffffffp0L, -0x1p-23L, 2.714321200917194650737217746780928423385e-4L, -4.391863861910487109445187743978204002614e-4L); + TEST_c_c (cacosh, -0x0.ffffffp0L, -0x1p-23L, 2.714321200917194650737217746780928423385e-4L, -3.141153467203602189751698864505105063797L); + TEST_c_c (cacosh, 0x1.fp-129L, 0x0.ffffffp0L, 8.813735448726938863015878255140556727969e-1L, 1.570796326794896619231321691639751442097L); + TEST_c_c (cacosh, 0x1.fp-129L, -0x0.ffffffp0L, 8.813735448726938863015878255140556727969e-1L, -1.570796326794896619231321691639751442097L); + TEST_c_c (cacosh, -0x1.fp-129L, 0x0.ffffffp0L, 8.813735448726938863015878255140556727969e-1L, 1.570796326794896619231321691639751442101L); + TEST_c_c (cacosh, -0x1.fp-129L, -0x0.ffffffp0L, 8.813735448726938863015878255140556727969e-1L, -1.570796326794896619231321691639751442101L); + TEST_c_c (cacosh, 0x0.ffffffp0L, 0x1.fp-129L, 8.245504387859737323891843603996428534945e-36L, 3.452669847162035876032494826387364972849e-4L); + TEST_c_c (cacosh, -0x0.ffffffp0L, 0x1.fp-129L, 8.245504387859737323891843603996428534945e-36L, 3.141247386605077034875040133796864147700L); + TEST_c_c (cacosh, 0x0.ffffffp0L, -0x1.fp-129L, 8.245504387859737323891843603996428534945e-36L, -3.452669847162035876032494826387364972849e-4L); + TEST_c_c (cacosh, -0x0.ffffffp0L, -0x1.fp-129L, 8.245504387859737323891843603996428534945e-36L, -3.141247386605077034875040133796864147700L); + TEST_c_c (cacosh, 0.0L, 0x0.ffffffp0L, 8.813735448726938863015878255140556727969e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0.0L, -0x0.ffffffp0L, 8.813735448726938863015878255140556727969e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, 0x0.ffffffp0L, 8.813735448726938863015878255140556727969e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, -0x0.ffffffp0L, 8.813735448726938863015878255140556727969e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x0.ffffffp0L, 0.0L, 0.0L, 3.452669847162035876032494826387364972849e-4L); + TEST_c_c (cacosh, -0x0.ffffffp0L, 0.0L, 0.0L, 3.141247386605077034875040133796864147700L); + TEST_c_c (cacosh, 0x0.ffffffp0L, -0.0L, 0.0L, -3.452669847162035876032494826387364972849e-4L); + TEST_c_c (cacosh, -0x0.ffffffp0L, -0.0L, 0.0L, -3.141247386605077034875040133796864147700L); + TEST_c_c (cacosh, 0x1p-23L, 0.5L, 4.812118250596059896127318386463676808798e-1L, 1.570796220170866625230343643673321150378L); + TEST_c_c (cacosh, 0x1p-23L, -0.5L, 4.812118250596059896127318386463676808798e-1L, -1.570796220170866625230343643673321150378L); + TEST_c_c (cacosh, -0x1p-23L, 0.5L, 4.812118250596059896127318386463676808798e-1L, 1.570796433418926613232299739606181733819L); + TEST_c_c (cacosh, -0x1p-23L, -0.5L, 4.812118250596059896127318386463676808798e-1L, -1.570796433418926613232299739606181733819L); + TEST_c_c (cacosh, 0.5L, 0x1p-23L, 1.376510308240943236356088341381173571841e-7L, 1.047197551196603215914744618665204532273L); + TEST_c_c (cacosh, -0.5L, 0x1p-23L, 1.376510308240943236356088341381173571841e-7L, 2.094395102393190022547898764614298351924L); + TEST_c_c (cacosh, 0.5L, -0x1p-23L, 1.376510308240943236356088341381173571841e-7L, -1.047197551196603215914744618665204532273L); + TEST_c_c (cacosh, -0.5L, -0x1p-23L, 1.376510308240943236356088341381173571841e-7L, -2.094395102393190022547898764614298351924L); + TEST_c_c (cacosh, 0x1.fp-129L, 0.5L, 4.812118250596034474977589134243684231352e-1L, 1.570796326794896619231321691639751442096L); + TEST_c_c (cacosh, 0x1.fp-129L, -0.5L, 4.812118250596034474977589134243684231352e-1L, -1.570796326794896619231321691639751442096L); + TEST_c_c (cacosh, -0x1.fp-129L, 0.5L, 4.812118250596034474977589134243684231352e-1L, 1.570796326794896619231321691639751442101L); + TEST_c_c (cacosh, -0x1.fp-129L, -0.5L, 4.812118250596034474977589134243684231352e-1L, -1.570796326794896619231321691639751442101L); + TEST_c_c (cacosh, 0.5L, 0x1.fp-129L, 3.287317402534702257036015056278368274737e-39L, 1.047197551196597746154214461093167628066L, UNDERFLOW_EXCEPTION_FLOAT); + TEST_c_c (cacosh, -0.5L, 0x1.fp-129L, 3.287317402534702257036015056278368274737e-39L, 2.094395102393195492308428922186335256131L, UNDERFLOW_EXCEPTION_FLOAT); + TEST_c_c (cacosh, 0.5L, -0x1.fp-129L, 3.287317402534702257036015056278368274737e-39L, -1.047197551196597746154214461093167628066L, UNDERFLOW_EXCEPTION_FLOAT); + TEST_c_c (cacosh, -0.5L, -0x1.fp-129L, 3.287317402534702257036015056278368274737e-39L, -2.094395102393195492308428922186335256131L, UNDERFLOW_EXCEPTION_FLOAT); + TEST_c_c (cacosh, 0x1p-23L, 0x1p-23L, 1.192092895507818146886315028596704749235e-7L, 1.570796207585607068450636380271254316214L); + TEST_c_c (cacosh, 0x1p-23L, -0x1p-23L, 1.192092895507818146886315028596704749235e-7L, -1.570796207585607068450636380271254316214L); + TEST_c_c (cacosh, -0x1p-23L, 0x1p-23L, 1.192092895507818146886315028596704749235e-7L, 1.570796446004186170012007003008248567984L); + TEST_c_c (cacosh, -0x1p-23L, -0x1p-23L, 1.192092895507818146886315028596704749235e-7L, -1.570796446004186170012007003008248567984L); + TEST_c_c (cacosh, 0x1.fp-129L, 0x1p-23L, 1.192092895507809676556842485683592032154e-7L, 1.570796326794896619231321691639751442096L); + TEST_c_c (cacosh, 0x1.fp-129L, -0x1p-23L, 1.192092895507809676556842485683592032154e-7L, -1.570796326794896619231321691639751442096L); + TEST_c_c (cacosh, -0x1.fp-129L, 0x1p-23L, 1.192092895507809676556842485683592032154e-7L, 1.570796326794896619231321691639751442101L); + TEST_c_c (cacosh, -0x1.fp-129L, -0x1p-23L, 1.192092895507809676556842485683592032154e-7L, -1.570796326794896619231321691639751442101L); + TEST_c_c (cacosh, 0x1p-23L, 0x1.fp-129L, 2.846900380897747786805634596726756660388e-39L, 1.570796207585607068449789347324000006847L, UNDERFLOW_EXCEPTION_FLOAT); + TEST_c_c (cacosh, -0x1p-23L, 0x1.fp-129L, 2.846900380897747786805634596726756660388e-39L, 1.570796446004186170012854035955502877351L, UNDERFLOW_EXCEPTION_FLOAT); + TEST_c_c (cacosh, 0x1p-23L, -0x1.fp-129L, 2.846900380897747786805634596726756660388e-39L, -1.570796207585607068449789347324000006847L, UNDERFLOW_EXCEPTION_FLOAT); + TEST_c_c (cacosh, -0x1p-23L, -0x1.fp-129L, 2.846900380897747786805634596726756660388e-39L, -1.570796446004186170012854035955502877351L, UNDERFLOW_EXCEPTION_FLOAT); + TEST_c_c (cacosh, 0.0L, 0x1p-23L, 1.192092895507809676556842485683592032154e-7L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0.0L, -0x1p-23L, 1.192092895507809676556842485683592032154e-7L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, 0x1p-23L, 1.192092895507809676556842485683592032154e-7L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, -0x1p-23L, 1.192092895507809676556842485683592032154e-7L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1p-23L, 0.0L, 0.0L, 1.570796207585607068449789347324000006847L); + TEST_c_c (cacosh, -0x1p-23L, 0.0L, 0.0L, 1.570796446004186170012854035955502877351L); + TEST_c_c (cacosh, 0x1p-23L, -0.0L, 0.0L, -1.570796207585607068449789347324000006847L); + TEST_c_c (cacosh, -0x1p-23L, -0.0L, 0.0L, -1.570796446004186170012854035955502877351L); + TEST_c_c (cacosh, 0x1.fp-129L, 0x1.fp-129L, 2.846900380897727558361783801085126250967e-39L, 1.570796326794896619231321691639751442096L, UNDERFLOW_EXCEPTION_FLOAT); + TEST_c_c (cacosh, 0x1.fp-129L, -0x1.fp-129L, 2.846900380897727558361783801085126250967e-39L, -1.570796326794896619231321691639751442096L, UNDERFLOW_EXCEPTION_FLOAT); + TEST_c_c (cacosh, -0x1.fp-129L, 0x1.fp-129L, 2.846900380897727558361783801085126250967e-39L, 1.570796326794896619231321691639751442101L, UNDERFLOW_EXCEPTION_FLOAT); + TEST_c_c (cacosh, -0x1.fp-129L, -0x1.fp-129L, 2.846900380897727558361783801085126250967e-39L, -1.570796326794896619231321691639751442101L, UNDERFLOW_EXCEPTION_FLOAT); +#ifndef TEST_FLOAT + TEST_c_c (cacosh, 0x1p-52L, 0x0.fffffffffffff8p0L, 8.813735870195429467279863907910458761820e-1L, 1.570796326794896462222075823262236786996L); + TEST_c_c (cacosh, 0x1p-52L, -0x0.fffffffffffff8p0L, 8.813735870195429467279863907910458761820e-1L, -1.570796326794896462222075823262236786996L); + TEST_c_c (cacosh, -0x1p-52L, 0x0.fffffffffffff8p0L, 8.813735870195429467279863907910458761820e-1L, 1.570796326794896776240567560017266097201L); + TEST_c_c (cacosh, -0x1p-52L, -0x0.fffffffffffff8p0L, 8.813735870195429467279863907910458761820e-1L, -1.570796326794896776240567560017266097201L); + TEST_c_c (cacosh, 0x0.fffffffffffff8p0L, 0x1p-52L, 1.171456840272878582596796205397918831268e-8L, 1.895456983915074112227925127005564372844e-8L); + TEST_c_c (cacosh, -0x0.fffffffffffff8p0L, 0x1p-52L, 1.171456840272878582596796205397918831268e-8L, 3.141592634635223399311902261000251614142L); + TEST_c_c (cacosh, 0x0.fffffffffffff8p0L, -0x1p-52L, 1.171456840272878582596796205397918831268e-8L, -1.895456983915074112227925127005564372844e-8L); + TEST_c_c (cacosh, -0x0.fffffffffffff8p0L, -0x1p-52L, 1.171456840272878582596796205397918831268e-8L, -3.141592634635223399311902261000251614142L); + TEST_c_c (cacosh, 0x1.fp-1025L, 0x0.fffffffffffff8p0L, 8.813735870195429467279863907910371604180e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-1025L, -0x0.fffffffffffff8p0L, 8.813735870195429467279863907910371604180e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1025L, 0x0.fffffffffffff8p0L, 8.813735870195429467279863907910371604180e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1025L, -0x0.fffffffffffff8p0L, 8.813735870195429467279863907910371604180e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x0.fffffffffffff8p0L, 0x1.fp-1025L, 3.616396521699973256461764099945789620604e-301L, 1.490116119384765638786343542550461592240e-8L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM); + TEST_c_c (cacosh, -0x0.fffffffffffff8p0L, 0x1.fp-1025L, 3.616396521699973256461764099945789620604e-301L, 3.141592638688632044614986995416067458693L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM); + TEST_c_c (cacosh, 0x0.fffffffffffff8p0L, -0x1.fp-1025L, 3.616396521699973256461764099945789620604e-301L, -1.490116119384765638786343542550461592240e-8L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM); + TEST_c_c (cacosh, -0x0.fffffffffffff8p0L, -0x1.fp-1025L, 3.616396521699973256461764099945789620604e-301L, -3.141592638688632044614986995416067458693L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM); + TEST_c_c (cacosh, 0.0L, 0x0.fffffffffffff8p0L, 8.813735870195429467279863907910371604180e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0.0L, -0x0.fffffffffffff8p0L, 8.813735870195429467279863907910371604180e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, 0x0.fffffffffffff8p0L, 8.813735870195429467279863907910371604180e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, -0x0.fffffffffffff8p0L, 8.813735870195429467279863907910371604180e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x0.fffffffffffff8p0L, 0.0L, 0.0L, 1.490116119384765638786343542550461592240e-8L); + TEST_c_c (cacosh, -0x0.fffffffffffff8p0L, 0.0L, 0.0L, 3.141592638688632044614986995416067458693L); + TEST_c_c (cacosh, 0x0.fffffffffffff8p0L, -0.0L, 0.0L, -1.490116119384765638786343542550461592240e-8L); + TEST_c_c (cacosh, -0x0.fffffffffffff8p0L, -0.0L, 0.0L, -3.141592638688632044614986995416067458693L); +#endif + TEST_c_c (cacosh, 0x1p-52L, 0.5L, 4.812118250596034474977589134243772428682e-1L, 1.570796326794896420628589431857911675917L); + TEST_c_c (cacosh, 0x1p-52L, -0.5L, 4.812118250596034474977589134243772428682e-1L, -1.570796326794896420628589431857911675917L); + TEST_c_c (cacosh, -0x1p-52L, 0.5L, 4.812118250596034474977589134243772428682e-1L, 1.570796326794896817834053951421591208280L); + TEST_c_c (cacosh, -0x1p-52L, -0.5L, 4.812118250596034474977589134243772428682e-1L, -1.570796326794896817834053951421591208280L); + TEST_c_c (cacosh, 0.5L, 0x1p-52L, 2.563950248511418570403591756798643804971e-16L, 1.047197551196597746154214461093186605110L); + TEST_c_c (cacosh, -0.5L, 0x1p-52L, 2.563950248511418570403591756798643804971e-16L, 2.094395102393195492308428922186316279087L); + TEST_c_c (cacosh, 0.5L, -0x1p-52L, 2.563950248511418570403591756798643804971e-16L, -1.047197551196597746154214461093186605110L); + TEST_c_c (cacosh, -0.5L, -0x1p-52L, 2.563950248511418570403591756798643804971e-16L, -2.094395102393195492308428922186316279087L); +#ifndef TEST_FLOAT + TEST_c_c (cacosh, 0x1.fp-1025L, 0.5L, 4.812118250596034474977589134243684231352e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-1025L, -0.5L, 4.812118250596034474977589134243684231352e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1025L, 0.5L, 4.812118250596034474977589134243684231352e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1025L, -0.5L, 4.812118250596034474977589134243684231352e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0.5L, 0x1.fp-1025L, 6.222508863508420569166420770843207333493e-309L, 1.047197551196597746154214461093167628066L, UNDERFLOW_EXCEPTION_DOUBLE); + TEST_c_c (cacosh, -0.5L, 0x1.fp-1025L, 6.222508863508420569166420770843207333493e-309L, 2.094395102393195492308428922186335256131L, UNDERFLOW_EXCEPTION_DOUBLE); + TEST_c_c (cacosh, 0.5L, -0x1.fp-1025L, 6.222508863508420569166420770843207333493e-309L, -1.047197551196597746154214461093167628066L, UNDERFLOW_EXCEPTION_DOUBLE); + TEST_c_c (cacosh, -0.5L, -0x1.fp-1025L, 6.222508863508420569166420770843207333493e-309L, -2.094395102393195492308428922186335256131L, UNDERFLOW_EXCEPTION_DOUBLE); +#endif + TEST_c_c (cacosh, 0x1p-52L, 0x1p-52L, 2.220446049250313080847263336181677117148e-16L, 1.570796326794896397186716766608443357372L); + TEST_c_c (cacosh, 0x1p-52L, -0x1p-52L, 2.220446049250313080847263336181677117148e-16L, -1.570796326794896397186716766608443357372L); + TEST_c_c (cacosh, -0x1p-52L, 0x1p-52L, 2.220446049250313080847263336181677117148e-16L, 1.570796326794896841275926616671059526825L); + TEST_c_c (cacosh, -0x1p-52L, -0x1p-52L, 2.220446049250313080847263336181677117148e-16L, -1.570796326794896841275926616671059526825L); +#ifndef TEST_FLOAT + TEST_c_c (cacosh, 0x1.fp-1025L, 0x1p-52L, 2.220446049250313080847263336181622378926e-16L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-1025L, -0x1p-52L, 2.220446049250313080847263336181622378926e-16L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1025L, 0x1p-52L, 2.220446049250313080847263336181622378926e-16L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1025L, -0x1p-52L, 2.220446049250313080847263336181622378926e-16L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1p-52L, 0x1.fp-1025L, 5.388850751072128349671657362289548938458e-309L, 1.570796326794896397186716766608443357372L, UNDERFLOW_EXCEPTION_DOUBLE); + TEST_c_c (cacosh, -0x1p-52L, 0x1.fp-1025L, 5.388850751072128349671657362289548938458e-309L, 1.570796326794896841275926616671059526825L, UNDERFLOW_EXCEPTION_DOUBLE); + TEST_c_c (cacosh, 0x1p-52L, -0x1.fp-1025L, 5.388850751072128349671657362289548938458e-309L, -1.570796326794896397186716766608443357372L, UNDERFLOW_EXCEPTION_DOUBLE); + TEST_c_c (cacosh, -0x1p-52L, -0x1.fp-1025L, 5.388850751072128349671657362289548938458e-309L, -1.570796326794896841275926616671059526825L, UNDERFLOW_EXCEPTION_DOUBLE); +#endif + TEST_c_c (cacosh, 0.0L, 0x1p-52L, 2.220446049250313080847263336181622378926e-16L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0.0L, -0x1p-52L, 2.220446049250313080847263336181622378926e-16L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, 0x1p-52L, 2.220446049250313080847263336181622378926e-16L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, -0x1p-52L, 2.220446049250313080847263336181622378926e-16L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1p-52L, 0.0L, 0.0L, 1.570796326794896397186716766608443357372L); + TEST_c_c (cacosh, -0x1p-52L, 0.0L, 0.0L, 1.570796326794896841275926616671059526825L); + TEST_c_c (cacosh, 0x1p-52L, -0.0L, 0.0L, -1.570796326794896397186716766608443357372L); + TEST_c_c (cacosh, -0x1p-52L, -0.0L, 0.0L, -1.570796326794896841275926616671059526825L); +#ifndef TEST_FLOAT + TEST_c_c (cacosh, 0x1.fp-1025L, 0x1.fp-1025L, 5.388850751072128349671657362289416093031e-309L, 1.570796326794896619231321691639751442099L, UNDERFLOW_EXCEPTION_DOUBLE); + TEST_c_c (cacosh, 0x1.fp-1025L, -0x1.fp-1025L, 5.388850751072128349671657362289416093031e-309L, -1.570796326794896619231321691639751442099L, UNDERFLOW_EXCEPTION_DOUBLE); + TEST_c_c (cacosh, -0x1.fp-1025L, 0x1.fp-1025L, 5.388850751072128349671657362289416093031e-309L, 1.570796326794896619231321691639751442099L, UNDERFLOW_EXCEPTION_DOUBLE); + TEST_c_c (cacosh, -0x1.fp-1025L, -0x1.fp-1025L, 5.388850751072128349671657362289416093031e-309L, -1.570796326794896619231321691639751442099L, UNDERFLOW_EXCEPTION_DOUBLE); +#endif +#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64 + TEST_c_c (cacosh, 0x1p-63L, 0x0.ffffffffffffffffp0L, 8.813735870195430251942769895627079569937e-1L, 1.570796326794896619154657020805582738025L); + TEST_c_c (cacosh, 0x1p-63L, -0x0.ffffffffffffffffp0L, 8.813735870195430251942769895627079569937e-1L, -1.570796326794896619154657020805582738025L); + TEST_c_c (cacosh, -0x1p-63L, 0x0.ffffffffffffffffp0L, 8.813735870195430251942769895627079569937e-1L, 1.570796326794896619307986362473920146173L); + TEST_c_c (cacosh, -0x1p-63L, -0x0.ffffffffffffffffp0L, 8.813735870195430251942769895627079569937e-1L, -1.570796326794896619307986362473920146173L); + TEST_c_c (cacosh, 0x0.ffffffffffffffffp0L, 0x1p-63L, 2.588578361325995866221775673638805081337e-10L, 4.188407771167967636741951941902992986043e-10L); + TEST_c_c (cacosh, -0x0.ffffffffffffffffp0L, 0x1p-63L, 2.588578361325995866221775673638805081337e-10L, 3.141592653170952461345846619605307690007L); + TEST_c_c (cacosh, 0x0.ffffffffffffffffp0L, -0x1p-63L, 2.588578361325995866221775673638805081337e-10L, -4.188407771167967636741951941902992986043e-10L); + TEST_c_c (cacosh, -0x0.ffffffffffffffffp0L, -0x1p-63L, 2.588578361325995866221775673638805081337e-10L, -3.141592653170952461345846619605307690007L); +# if LDBL_MIN_EXP <= -16381 + TEST_c_c (cacosh, 0x1.fp-16385L, 0x0.ffffffffffffffffp0L, 8.813735870195430251942769895627079569917e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-16385L, -0x0.ffffffffffffffffp0L, 8.813735870195430251942769895627079569917e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-16385L, 0x0.ffffffffffffffffp0L, 8.813735870195430251942769895627079569917e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-16385L, -0x0.ffffffffffffffffp0L, 8.813735870195430251942769895627079569917e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x0.ffffffffffffffffp0L, 0x1.fp-16385L, 2.472906068161537187835415298076415423459e-4923L, 3.292722539913596233371825532007990724506e-10L); + TEST_c_c (cacosh, -0x0.ffffffffffffffffp0L, 0x1.fp-16385L, 2.472906068161537187835415298076415423459e-4923L, 3.141592653260520984471283759942320330996L); + TEST_c_c (cacosh, 0x0.ffffffffffffffffp0L, -0x1.fp-16385L, 2.472906068161537187835415298076415423459e-4923L, -3.292722539913596233371825532007990724506e-10L); + TEST_c_c (cacosh, -0x0.ffffffffffffffffp0L, -0x1.fp-16385L, 2.472906068161537187835415298076415423459e-4923L, -3.141592653260520984471283759942320330996L); +# endif + TEST_c_c (cacosh, 0.0L, 0x0.ffffffffffffffffp0L, 8.813735870195430251942769895627079569917e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0.0L, -0x0.ffffffffffffffffp0L, 8.813735870195430251942769895627079569917e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, 0x0.ffffffffffffffffp0L, 8.813735870195430251942769895627079569917e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, -0x0.ffffffffffffffffp0L, 8.813735870195430251942769895627079569917e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x0.ffffffffffffffffp0L, 0.0L, 0.0L, 3.292722539913596233371825532007990724506e-10L); + TEST_c_c (cacosh, -0x0.ffffffffffffffffp0L, 0.0L, 0.0L, 3.141592653260520984471283759942320330996L); + TEST_c_c (cacosh, 0x0.ffffffffffffffffp0L, -0.0L, 0.0L, -3.292722539913596233371825532007990724506e-10L); + TEST_c_c (cacosh, -0x0.ffffffffffffffffp0L, -0.0L, 0.0L, -3.141592653260520984471283759942320330996L); +#endif + TEST_c_c (cacosh, 0x1p-63L, 0.5L, 4.812118250596034474977589134243684231373e-1L, 1.570796326794896619134347701278529840650L); + TEST_c_c (cacosh, 0x1p-63L, -0.5L, 4.812118250596034474977589134243684231373e-1L, -1.570796326794896619134347701278529840650L); + TEST_c_c (cacosh, -0x1p-63L, 0.5L, 4.812118250596034474977589134243684231373e-1L, 1.570796326794896619328295682000973043547L); + TEST_c_c (cacosh, -0x1p-63L, -0.5L, 4.812118250596034474977589134243684231373e-1L, -1.570796326794896619328295682000973043547L); + TEST_c_c (cacosh, 0.5L, 0x1p-63L, 1.251928832280966098829878787499365228659e-19L, 1.047197551196597746154214461093167628070L); + TEST_c_c (cacosh, -0.5L, 0x1p-63L, 1.251928832280966098829878787499365228659e-19L, 2.094395102393195492308428922186335256127L); + TEST_c_c (cacosh, 0.5L, -0x1p-63L, 1.251928832280966098829878787499365228659e-19L, -1.047197551196597746154214461093167628070L); + TEST_c_c (cacosh, -0.5L, -0x1p-63L, 1.251928832280966098829878787499365228659e-19L, -2.094395102393195492308428922186335256127L); +#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381 + TEST_c_c (cacosh, 0x1.fp-16385L, 0.5L, 4.812118250596034474977589134243684231352e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-16385L, -0.5L, 4.812118250596034474977589134243684231352e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-16385L, 0.5L, 4.812118250596034474977589134243684231352e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-16385L, -0.5L, 4.812118250596034474977589134243684231352e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0.5L, 0x1.fp-16385L, 9.402257155670418112159334875199821342890e-4933L, 1.047197551196597746154214461093167628066L, UNDERFLOW_EXCEPTION); + TEST_c_c (cacosh, -0.5L, 0x1.fp-16385L, 9.402257155670418112159334875199821342890e-4933L, 2.094395102393195492308428922186335256131L, UNDERFLOW_EXCEPTION); + TEST_c_c (cacosh, 0.5L, -0x1.fp-16385L, 9.402257155670418112159334875199821342890e-4933L, -1.047197551196597746154214461093167628066L, UNDERFLOW_EXCEPTION); + TEST_c_c (cacosh, -0.5L, -0x1.fp-16385L, 9.402257155670418112159334875199821342890e-4933L, -2.094395102393195492308428922186335256131L, UNDERFLOW_EXCEPTION); +#endif + TEST_c_c (cacosh, 0x1p-63L, 0x1p-63L, 1.084202172485504434007452800869941711430e-19L, 1.570796326794896619122901474391200998698L); + TEST_c_c (cacosh, 0x1p-63L, -0x1p-63L, 1.084202172485504434007452800869941711430e-19L, -1.570796326794896619122901474391200998698L); + TEST_c_c (cacosh, -0x1p-63L, 0x1p-63L, 1.084202172485504434007452800869941711430e-19L, 1.570796326794896619339741908888301885499L); + TEST_c_c (cacosh, -0x1p-63L, -0x1p-63L, 1.084202172485504434007452800869941711430e-19L, -1.570796326794896619339741908888301885499L); +#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381 + TEST_c_c (cacosh, 0x1.fp-16385L, 0x1p-63L, 1.084202172485504434007452800869941711424e-19L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-16385L, -0x1p-63L, 1.084202172485504434007452800869941711424e-19L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-16385L, 0x1p-63L, 1.084202172485504434007452800869941711424e-19L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-16385L, -0x1p-63L, 1.084202172485504434007452800869941711424e-19L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1p-63L, 0x1.fp-16385L, 8.142593549724601460479922838826119584465e-4933L, 1.570796326794896619122901474391200998698L, UNDERFLOW_EXCEPTION); + TEST_c_c (cacosh, -0x1p-63L, 0x1.fp-16385L, 8.142593549724601460479922838826119584465e-4933L, 1.570796326794896619339741908888301885499L, UNDERFLOW_EXCEPTION); + TEST_c_c (cacosh, 0x1p-63L, -0x1.fp-16385L, 8.142593549724601460479922838826119584465e-4933L, -1.570796326794896619122901474391200998698L, UNDERFLOW_EXCEPTION); + TEST_c_c (cacosh, -0x1p-63L, -0x1.fp-16385L, 8.142593549724601460479922838826119584465e-4933L, -1.570796326794896619339741908888301885499L, UNDERFLOW_EXCEPTION); +#endif + TEST_c_c (cacosh, 0.0L, 0x1p-63L, 1.084202172485504434007452800869941711424e-19L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0.0L, -0x1p-63L, 1.084202172485504434007452800869941711424e-19L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, 0x1p-63L, 1.084202172485504434007452800869941711424e-19L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, -0x1p-63L, 1.084202172485504434007452800869941711424e-19L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1p-63L, 0.0L, 0.0L, 1.570796326794896619122901474391200998698L); + TEST_c_c (cacosh, -0x1p-63L, 0.0L, 0.0L, 1.570796326794896619339741908888301885499L); + TEST_c_c (cacosh, 0x1p-63L, -0.0L, 0.0L, -1.570796326794896619122901474391200998698L); + TEST_c_c (cacosh, -0x1p-63L, -0.0L, 0.0L, -1.570796326794896619339741908888301885499L); +#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381 + TEST_c_c (cacosh, 0x1.fp-16385L, 0x1.fp-16385L, 8.142593549724601460479922838826119584417e-4933L, 1.570796326794896619231321691639751442099L, UNDERFLOW_EXCEPTION); + TEST_c_c (cacosh, 0x1.fp-16385L, -0x1.fp-16385L, 8.142593549724601460479922838826119584417e-4933L, -1.570796326794896619231321691639751442099L, UNDERFLOW_EXCEPTION); + TEST_c_c (cacosh, -0x1.fp-16385L, 0x1.fp-16385L, 8.142593549724601460479922838826119584417e-4933L, 1.570796326794896619231321691639751442099L, UNDERFLOW_EXCEPTION); + TEST_c_c (cacosh, -0x1.fp-16385L, -0x1.fp-16385L, 8.142593549724601460479922838826119584417e-4933L, -1.570796326794896619231321691639751442099L, UNDERFLOW_EXCEPTION); +#endif +#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106 + TEST_c_c (cacosh, 0x1p-105L, 0x0.ffffffffffffffffffffffffffcp0L, 8.813735870195430252326093249797835932642e-1L, 1.570796326794896619231321691639734010571L); + TEST_c_c (cacosh, 0x1p-105L, -0x0.ffffffffffffffffffffffffffcp0L, 8.813735870195430252326093249797835932642e-1L, -1.570796326794896619231321691639734010571L); + TEST_c_c (cacosh, -0x1p-105L, 0x0.ffffffffffffffffffffffffffcp0L, 8.813735870195430252326093249797835932642e-1L, 1.570796326794896619231321691639768873627L); + TEST_c_c (cacosh, -0x1p-105L, -0x0.ffffffffffffffffffffffffffcp0L, 8.813735870195430252326093249797835932642e-1L, -1.570796326794896619231321691639768873627L); + TEST_c_c (cacosh, 0x0.ffffffffffffffffffffffffffcp0L, 0x1p-105L, 1.234330349600789959989661887846005659983e-16L, 1.997188458999618357060632049675702684031e-16L); + TEST_c_c (cacosh, -0x0.ffffffffffffffffffffffffffcp0L, 0x1p-105L, 1.234330349600789959989661887846005659983e-16L, 3.141592653589793038743797483317667178134L); + TEST_c_c (cacosh, 0x0.ffffffffffffffffffffffffffcp0L, -0x1p-105L, 1.234330349600789959989661887846005659983e-16L, -1.997188458999618357060632049675702684031e-16L); + TEST_c_c (cacosh, -0x0.ffffffffffffffffffffffffffcp0L, -0x1p-105L, 1.234330349600789959989661887846005659983e-16L, -3.141592653589793038743797483317667178134L); + TEST_c_c (cacosh, 0x1.fp-1025L, 0x0.ffffffffffffffffffffffffffcp0L, 8.813735870195430252326093249797835932642e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-1025L, -0x0.ffffffffffffffffffffffffffcp0L, 8.813735870195430252326093249797835932642e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1025L, 0x0.ffffffffffffffffffffffffffcp0L, 8.813735870195430252326093249797835932642e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1025L, -0x0.ffffffffffffffffffffffffffcp0L, 8.813735870195430252326093249797835932642e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x0.ffffffffffffffffffffffffffcp0L, 0x1.fp-1025L, 3.432186888910770473784103112009399360940e-293L, 1.570092458683775059393382371963565104164e-16L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM); + TEST_c_c (cacosh, -0x0.ffffffffffffffffffffffffffcp0L, 0x1.fp-1025L, 3.432186888910770473784103112009399360940e-293L, 3.141592653589793081453397514901996944859L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM); + TEST_c_c (cacosh, 0x0.ffffffffffffffffffffffffffcp0L, -0x1.fp-1025L, 3.432186888910770473784103112009399360940e-293L, -1.570092458683775059393382371963565104164e-16L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM); + TEST_c_c (cacosh, -0x0.ffffffffffffffffffffffffffcp0L, -0x1.fp-1025L, 3.432186888910770473784103112009399360940e-293L, -3.141592653589793081453397514901996944859L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM); + TEST_c_c (cacosh, 0.0L, 0x0.ffffffffffffffffffffffffffcp0L, 8.813735870195430252326093249797835932642e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0.0L, -0x0.ffffffffffffffffffffffffffcp0L, 8.813735870195430252326093249797835932642e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, 0x0.ffffffffffffffffffffffffffcp0L, 8.813735870195430252326093249797835932642e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, -0x0.ffffffffffffffffffffffffffcp0L, 8.813735870195430252326093249797835932642e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x0.ffffffffffffffffffffffffffcp0L, 0.0L, 0.0L, 1.570092458683775059393382371963565104164e-16L); + TEST_c_c (cacosh, -0x0.ffffffffffffffffffffffffffcp0L, 0.0L, 0.0L, 3.141592653589793081453397514901996944859L); + TEST_c_c (cacosh, 0x0.ffffffffffffffffffffffffffcp0L, -0.0L, 0.0L, -1.570092458683775059393382371963565104164e-16L); + TEST_c_c (cacosh, -0x0.ffffffffffffffffffffffffffcp0L, -0.0L, 0.0L, -3.141592653589793081453397514901996944859L); +#endif + TEST_c_c (cacosh, 0x1p-105L, 0.5L, 4.812118250596034474977589134243684231352e-1L, 1.570796326794896619231321691639729392766L); + TEST_c_c (cacosh, 0x1p-105L, -0.5L, 4.812118250596034474977589134243684231352e-1L, -1.570796326794896619231321691639729392766L); + TEST_c_c (cacosh, -0x1p-105L, 0.5L, 4.812118250596034474977589134243684231352e-1L, 1.570796326794896619231321691639773491431L); + TEST_c_c (cacosh, -0x1p-105L, -0.5L, 4.812118250596034474977589134243684231352e-1L, -1.570796326794896619231321691639773491431L); + TEST_c_c (cacosh, 0.5L, 0x1p-105L, 2.846556599890768890940941645338546615370e-32L, 1.047197551196597746154214461093167628066L); + TEST_c_c (cacosh, -0.5L, 0x1p-105L, 2.846556599890768890940941645338546615370e-32L, 2.094395102393195492308428922186335256131L); + TEST_c_c (cacosh, 0.5L, -0x1p-105L, 2.846556599890768890940941645338546615370e-32L, -1.047197551196597746154214461093167628066L); + TEST_c_c (cacosh, -0.5L, -0x1p-105L, 2.846556599890768890940941645338546615370e-32L, -2.094395102393195492308428922186335256131L); + TEST_c_c (cacosh, 0x1p-105L, 0x1p-105L, 2.465190328815661891911651766508706967729e-32L, 1.570796326794896619231321691639726790195L); + TEST_c_c (cacosh, 0x1p-105L, -0x1p-105L, 2.465190328815661891911651766508706967729e-32L, -1.570796326794896619231321691639726790195L); + TEST_c_c (cacosh, -0x1p-105L, 0x1p-105L, 2.465190328815661891911651766508706967729e-32L, 1.570796326794896619231321691639776094002L); + TEST_c_c (cacosh, -0x1p-105L, -0x1p-105L, 2.465190328815661891911651766508706967729e-32L, -1.570796326794896619231321691639776094002L); +#ifndef TEST_FLOAT + TEST_c_c (cacosh, 0x1.fp-1025L, 0x1p-105L, 2.465190328815661891911651766508706967729e-32L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-1025L, -0x1p-105L, 2.465190328815661891911651766508706967729e-32L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1025L, 0x1p-105L, 2.465190328815661891911651766508706967729e-32L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-1025L, -0x1p-105L, 2.465190328815661891911651766508706967729e-32L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1p-105L, 0x1.fp-1025L, 5.388850751072128349671657362289416093031e-309L, 1.570796326794896619231321691639726790195L, UNDERFLOW_EXCEPTION_DOUBLE); + TEST_c_c (cacosh, -0x1p-105L, 0x1.fp-1025L, 5.388850751072128349671657362289416093031e-309L, 1.570796326794896619231321691639776094002L, UNDERFLOW_EXCEPTION_DOUBLE); + TEST_c_c (cacosh, 0x1p-105L, -0x1.fp-1025L, 5.388850751072128349671657362289416093031e-309L, -1.570796326794896619231321691639726790195L, UNDERFLOW_EXCEPTION_DOUBLE); + TEST_c_c (cacosh, -0x1p-105L, -0x1.fp-1025L, 5.388850751072128349671657362289416093031e-309L, -1.570796326794896619231321691639776094002L, UNDERFLOW_EXCEPTION_DOUBLE); +#endif + TEST_c_c (cacosh, 0.0L, 0x1p-105L, 2.465190328815661891911651766508706967729e-32L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0.0L, -0x1p-105L, 2.465190328815661891911651766508706967729e-32L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, 0x1p-105L, 2.465190328815661891911651766508706967729e-32L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, -0x1p-105L, 2.465190328815661891911651766508706967729e-32L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1p-105L, 0.0L, 0.0L, 1.570796326794896619231321691639726790195L); + TEST_c_c (cacosh, -0x1p-105L, 0.0L, 0.0L, 1.570796326794896619231321691639776094002L); + TEST_c_c (cacosh, 0x1p-105L, -0.0L, 0.0L, -1.570796326794896619231321691639726790195L); + TEST_c_c (cacosh, -0x1p-105L, -0.0L, 0.0L, -1.570796326794896619231321691639776094002L); +#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113 + TEST_c_c (cacosh, 0x1p-112L, 0x0.ffffffffffffffffffffffffffff8p0L, 8.813735870195430252326093249797922409363e-1L, 1.570796326794896619231321691639751305915L); + TEST_c_c (cacosh, 0x1p-112L, -0x0.ffffffffffffffffffffffffffff8p0L, 8.813735870195430252326093249797922409363e-1L, -1.570796326794896619231321691639751305915L); + TEST_c_c (cacosh, -0x1p-112L, 0x0.ffffffffffffffffffffffffffff8p0L, 8.813735870195430252326093249797922409363e-1L, 1.570796326794896619231321691639751578282L); + TEST_c_c (cacosh, -0x1p-112L, -0x0.ffffffffffffffffffffffffffff8p0L, 8.813735870195430252326093249797922409363e-1L, -1.570796326794896619231321691639751578282L); + TEST_c_c (cacosh, 0x0.ffffffffffffffffffffffffffff8p0L, 0x1p-112L, 1.091004200533850618345330909857103457781e-17L, 1.765281878332676474347460257221369818872e-17L); + TEST_c_c (cacosh, -0x0.ffffffffffffffffffffffffffff8p0L, 0x1p-112L, 1.091004200533850618345330909857103457781e-17L, 3.141592653589793220809824599952738140723L); + TEST_c_c (cacosh, 0x0.ffffffffffffffffffffffffffff8p0L, -0x1p-112L, 1.091004200533850618345330909857103457781e-17L, -1.765281878332676474347460257221369818872e-17L); + TEST_c_c (cacosh, -0x0.ffffffffffffffffffffffffffff8p0L, -0x1p-112L, 1.091004200533850618345330909857103457781e-17L, -3.141592653589793220809824599952738140723L); + TEST_c_c (cacosh, 0x1.fp-16385L, 0x0.ffffffffffffffffffffffffffff8p0L, 8.813735870195430252326093249797922409363e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-16385L, -0x0.ffffffffffffffffffffffffffff8p0L, 8.813735870195430252326093249797922409363e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-16385L, 0x0.ffffffffffffffffffffffffffff8p0L, 8.813735870195430252326093249797922409363e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-16385L, -0x0.ffffffffffffffffffffffffffff8p0L, 8.813735870195430252326093249797922409363e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x0.ffffffffffffffffffffffffffff8p0L, 0x1.fp-16385L, 5.867357004219059108790368268900490184505e-4916L, 1.387778780781445675529539585113525401762e-17L); + TEST_c_c (cacosh, -0x0.ffffffffffffffffffffffffffff8p0L, 0x1.fp-16385L, 5.867357004219059108790368268900490184505e-4916L, 3.141592653589793224584855575465046128902L); + TEST_c_c (cacosh, 0x0.ffffffffffffffffffffffffffff8p0L, -0x1.fp-16385L, 5.867357004219059108790368268900490184505e-4916L, -1.387778780781445675529539585113525401762e-17L); + TEST_c_c (cacosh, -0x0.ffffffffffffffffffffffffffff8p0L, -0x1.fp-16385L, 5.867357004219059108790368268900490184505e-4916L, -3.141592653589793224584855575465046128902L); + TEST_c_c (cacosh, 0.0L, 0x0.ffffffffffffffffffffffffffff8p0L, 8.813735870195430252326093249797922409363e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0.0L, -0x0.ffffffffffffffffffffffffffff8p0L, 8.813735870195430252326093249797922409363e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, 0x0.ffffffffffffffffffffffffffff8p0L, 8.813735870195430252326093249797922409363e-1L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, -0x0.ffffffffffffffffffffffffffff8p0L, 8.813735870195430252326093249797922409363e-1L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x0.ffffffffffffffffffffffffffff8p0L, 0.0L, 0.0L, 1.387778780781445675529539585113525401762e-17L); + TEST_c_c (cacosh, -0x0.ffffffffffffffffffffffffffff8p0L, 0.0L, 0.0L, 3.141592653589793224584855575465046128902L); + TEST_c_c (cacosh, 0x0.ffffffffffffffffffffffffffff8p0L, -0.0L, 0.0L, -1.387778780781445675529539585113525401762e-17L); + TEST_c_c (cacosh, -0x0.ffffffffffffffffffffffffffff8p0L, -0.0L, 0.0L, -3.141592653589793224584855575465046128902L); +#endif + TEST_c_c (cacosh, 0x1p-112L, 0.5L, 4.812118250596034474977589134243684231352e-1L, 1.570796326794896619231321691639751269838L); + TEST_c_c (cacosh, 0x1p-112L, -0.5L, 4.812118250596034474977589134243684231352e-1L, -1.570796326794896619231321691639751269838L); + TEST_c_c (cacosh, -0x1p-112L, 0.5L, 4.812118250596034474977589134243684231352e-1L, 1.570796326794896619231321691639751614359L); + TEST_c_c (cacosh, -0x1p-112L, -0.5L, 4.812118250596034474977589134243684231352e-1L, -1.570796326794896619231321691639751614359L); + TEST_c_c (cacosh, 0.5L, 0x1p-112L, 2.223872343664663196047610660420739543258e-34L, 1.047197551196597746154214461093167628066L); + TEST_c_c (cacosh, -0.5L, 0x1p-112L, 2.223872343664663196047610660420739543258e-34L, 2.094395102393195492308428922186335256131L); + TEST_c_c (cacosh, 0.5L, -0x1p-112L, 2.223872343664663196047610660420739543258e-34L, -1.047197551196597746154214461093167628066L); + TEST_c_c (cacosh, -0.5L, -0x1p-112L, 2.223872343664663196047610660420739543258e-34L, -2.094395102393195492308428922186335256131L); + TEST_c_c (cacosh, 0x1p-112L, 0x1p-112L, 1.925929944387235853055977942584927318538e-34L, 1.570796326794896619231321691639751249506L); + TEST_c_c (cacosh, 0x1p-112L, -0x1p-112L, 1.925929944387235853055977942584927318538e-34L, -1.570796326794896619231321691639751249506L); + TEST_c_c (cacosh, -0x1p-112L, 0x1p-112L, 1.925929944387235853055977942584927318538e-34L, 1.570796326794896619231321691639751634692L); + TEST_c_c (cacosh, -0x1p-112L, -0x1p-112L, 1.925929944387235853055977942584927318538e-34L, -1.570796326794896619231321691639751634692L); +#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381 + TEST_c_c (cacosh, 0x1.fp-16385L, 0x1p-112L, 1.925929944387235853055977942584927318538e-34L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1.fp-16385L, -0x1p-112L, 1.925929944387235853055977942584927318538e-34L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-16385L, 0x1p-112L, 1.925929944387235853055977942584927318538e-34L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0x1.fp-16385L, -0x1p-112L, 1.925929944387235853055977942584927318538e-34L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1p-112L, 0x1.fp-16385L, 8.142593549724601460479922838826119584417e-4933L, 1.570796326794896619231321691639751249506L, UNDERFLOW_EXCEPTION); + TEST_c_c (cacosh, -0x1p-112L, 0x1.fp-16385L, 8.142593549724601460479922838826119584417e-4933L, 1.570796326794896619231321691639751634692L, UNDERFLOW_EXCEPTION); + TEST_c_c (cacosh, 0x1p-112L, -0x1.fp-16385L, 8.142593549724601460479922838826119584417e-4933L, -1.570796326794896619231321691639751249506L, UNDERFLOW_EXCEPTION); + TEST_c_c (cacosh, -0x1p-112L, -0x1.fp-16385L, 8.142593549724601460479922838826119584417e-4933L, -1.570796326794896619231321691639751634692L, UNDERFLOW_EXCEPTION); +#endif + TEST_c_c (cacosh, 0.0L, 0x1p-112L, 1.925929944387235853055977942584927318538e-34L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0.0L, -0x1p-112L, 1.925929944387235853055977942584927318538e-34L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, 0x1p-112L, 1.925929944387235853055977942584927318538e-34L, 1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, -0.0L, -0x1p-112L, 1.925929944387235853055977942584927318538e-34L, -1.570796326794896619231321691639751442099L); + TEST_c_c (cacosh, 0x1p-112L, 0.0L, 0.0L, 1.570796326794896619231321691639751249506L); + TEST_c_c (cacosh, -0x1p-112L, 0.0L, 0.0L, 1.570796326794896619231321691639751634692L); + TEST_c_c (cacosh, 0x1p-112L, -0.0L, 0.0L, -1.570796326794896619231321691639751249506L); + TEST_c_c (cacosh, -0x1p-112L, -0.0L, 0.0L, -1.570796326794896619231321691639751634692L); + TEST_c_c (cacosh, 0.75L, 1.25L, 1.13239363160530819522266333696834467L, 1.11752014915610270578240049553777969L); TEST_c_c (cacosh, -2, -3, 1.9833870299165354323470769028940395L, -2.1414491111159960199416055713254211L); diff --git a/math/s_cacosh.c b/math/s_cacosh.c index 9c31cb80ac..1e502fa913 100644 --- a/math/s_cacosh.c +++ b/math/s_cacosh.c @@ -64,31 +64,25 @@ __cacosh (__complex__ double x) __real__ res = 0.0; __imag__ res = __copysign (M_PI_2, __imag__ x); } - /* The factor 16 is just a guess. */ - else if (16.0 * fabs (__imag__ x) < fabs (__real__ x)) - { - /* Kahan's formula which avoid cancellation through subtraction in - some cases. */ - res = 2.0 * __clog (__csqrt ((x + 1.0) / 2.0) + __csqrt ((x - 1.0) / 2.0)); - if (signbit (__real__ res)) - __real__ res = 0.0; - } else { __complex__ double y; - __real__ y = (__real__ x - __imag__ x) * (__real__ x + __imag__ x) - 1.0; - __imag__ y = 2.0 * __real__ x * __imag__ x; - - y = __csqrt (y); + __real__ y = -__imag__ x; + __imag__ y = __real__ x; - if (signbit (__real__ x)) - y = -y; + y = __kernel_casinh (y, 1); - __real__ y += __real__ x; - __imag__ y += __imag__ x; - - res = __clog (y); + if (signbit (__imag__ x)) + { + __real__ res = __real__ y; + __imag__ res = -__imag__ y; + } + else + { + __real__ res = -__real__ y; + __imag__ res = __imag__ y; + } } return res; diff --git a/math/s_cacoshf.c b/math/s_cacoshf.c index 74cb2760d6..1e692f139e 100644 --- a/math/s_cacoshf.c +++ b/math/s_cacoshf.c @@ -64,32 +64,25 @@ __cacoshf (__complex__ float x) __real__ res = 0.0; __imag__ res = __copysignf (M_PI_2, __imag__ x); } - /* The factor 16 is just a guess. */ - else if (16.0 * fabsf (__imag__ x) < fabsf (__real__ x)) - { - /* Kahan's formula which avoid cancellation through subtraction in - some cases. */ - res = 2.0 * __clogf (__csqrtf ((x + 1.0) / 2.0) - + __csqrtf ((x - 1.0) / 2.0)); - if (signbit (__real__ res)) - __real__ res = 0.0f; - } else { __complex__ float y; - __real__ y = (__real__ x - __imag__ x) * (__real__ x + __imag__ x) - 1.0; - __imag__ y = 2.0 * __real__ x * __imag__ x; - - y = __csqrtf (y); + __real__ y = -__imag__ x; + __imag__ y = __real__ x; - if (signbit (__real__ x)) - y = -y; + y = __kernel_casinhf (y, 1); - __real__ y += __real__ x; - __imag__ y += __imag__ x; - - res = __clogf (y); + if (signbit (__imag__ x)) + { + __real__ res = __real__ y; + __imag__ res = -__imag__ y; + } + else + { + __real__ res = -__real__ y; + __imag__ res = __imag__ y; + } } return res; diff --git a/math/s_cacoshl.c b/math/s_cacoshl.c index 7fd0b8206c..c110fabe3b 100644 --- a/math/s_cacoshl.c +++ b/math/s_cacoshl.c @@ -64,32 +64,25 @@ __cacoshl (__complex__ long double x) __real__ res = 0.0; __imag__ res = __copysignl (M_PI_2l, __imag__ x); } - /* The factor 16 is just a guess. */ - else if (16.0L * fabsl (__imag__ x) < fabsl (__real__ x)) - { - /* Kahan's formula which avoid cancellation through subtraction in - some cases. */ - res = 2.0L * __clogl (__csqrtl ((x + 1.0L) / 2.0L) - + __csqrtl ((x - 1.0L) / 2.0L)); - if (signbit (__real__ res)) - __real__ res = 0.0L; - } else { __complex__ long double y; - __real__ y = (__real__ x - __imag__ x) * (__real__ x + __imag__ x) - 1.0; - __imag__ y = 2.0 * __real__ x * __imag__ x; - - y = __csqrtl (y); + __real__ y = -__imag__ x; + __imag__ y = __real__ x; - if (signbit (__real__ x)) - y = -y; + y = __kernel_casinhl (y, 1); - __real__ y += __real__ x; - __imag__ y += __imag__ x; - - res = __clogl (y); + if (signbit (__imag__ x)) + { + __real__ res = __real__ y; + __imag__ res = -__imag__ y; + } + else + { + __real__ res = -__real__ y; + __imag__ res = __imag__ y; + } } return res; |