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-rw-r--r--include/math.h36
1 files changed, 34 insertions, 2 deletions
diff --git a/include/math.h b/include/math.h
index ba7bba018a..e21d34b868 100644
--- a/include/math.h
+++ b/include/math.h
@@ -1,11 +1,13 @@
#ifndef _MATH_H
+#ifdef _ISOMAC
+# undef NO_LONG_DOUBLE
+#endif
+
#include <math/math.h>
#ifndef _ISOMAC
/* Now define the internal interfaces. */
-extern int __matherr (struct exception *__exc);
-
extern int __signgam;
# if IS_IN (libc) || IS_IN (libm)
@@ -21,6 +23,13 @@ hidden_proto (__finitel)
hidden_proto (__isinfl)
hidden_proto (__isnanl)
# endif
+
+# if __HAVE_DISTINCT_FLOAT128
+hidden_proto (__finitef128)
+hidden_proto (__isinff128)
+hidden_proto (__isnanf128)
+hidden_proto (__signbitf128)
+# endif
# endif
libm_hidden_proto (__fpclassify)
@@ -29,6 +38,7 @@ libm_hidden_proto (__issignaling)
libm_hidden_proto (__issignalingf)
libm_hidden_proto (__exp)
libm_hidden_proto (__expf)
+libm_hidden_proto (__roundeven)
# ifndef __NO_LONG_DOUBLE_MATH
libm_hidden_proto (__fpclassifyl)
@@ -37,5 +47,27 @@ libm_hidden_proto (__expl)
libm_hidden_proto (__expm1l)
# endif
+# if __HAVE_DISTINCT_FLOAT128
+libm_hidden_proto (__fpclassifyf128)
+libm_hidden_proto (__issignalingf128)
+libm_hidden_proto (__expf128)
+libm_hidden_proto (__expm1f128)
+# endif
+
+# if !(defined __FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0)
+# ifndef NO_MATH_REDIRECT
+/* Declare sqrt for use within GLIBC. Compilers typically inline sqrt as a
+ single instruction. Use an asm to avoid use of PLTs if it doesn't. */
+float (sqrtf) (float) asm ("__ieee754_sqrtf");
+double (sqrt) (double) asm ("__ieee754_sqrt");
+# ifndef __NO_LONG_DOUBLE_MATH
+long double (sqrtl) (long double) asm ("__ieee754_sqrtl");
+# endif
+# if __HAVE_DISTINCT_FLOAT128 > 0
+_Float128 (sqrtf128) (_Float128) asm ("__ieee754_sqrtf128");
+# endif
+# endif
+# endif
+
#endif
#endif