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authorUlrich Drepper <drepper@gmail.com>2011-10-12 11:27:51 -0400
committerUlrich Drepper <drepper@gmail.com>2011-10-12 11:27:51 -0400
commit0ac5ae2335292908f39031b1ea9fe8edce433c0f (patch)
treef9d26c8abc0de39d18d4c13e70f6022cdc6b461f /math/math.h
parenta843a204a3e8a0dd53584dad3668771abaec84ac (diff)
downloadglibc-0ac5ae2335292908f39031b1ea9fe8edce433c0f.tar.gz
Optimize libm
libm is now somewhat integrated with gcc's -ffinite-math-only option and lots of the wrapper functions have been optimized.
Diffstat (limited to 'math/math.h')
-rw-r--r--math/math.h23
1 files changed, 15 insertions, 8 deletions
diff --git a/math/math.h b/math/math.h
index aeb54d9ed8..8b98ff331e 100644
--- a/math/math.h
+++ b/math/math.h
@@ -1,5 +1,5 @@
/* Declarations for math functions.
- Copyright (C) 1991-1993, 1995-1999, 2001, 2002, 2004, 2006, 2009
+ Copyright (C) 1991-1993, 1995-1999, 2001, 2002, 2004, 2006, 2009, 2011
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@@ -64,10 +64,10 @@ __BEGIN_DECLS
#define __MATHDECL_1(type, function,suffix, args) \
extern type __MATH_PRECNAME(function,suffix) args __THROW
-#define _Mdouble_ double
+#define _Mdouble_ double
#define __MATH_PRECNAME(name,r) __CONCAT(name,r)
-# define _Mdouble_BEGIN_NAMESPACE __BEGIN_NAMESPACE_STD
-# define _Mdouble_END_NAMESPACE __END_NAMESPACE_STD
+#define _Mdouble_BEGIN_NAMESPACE __BEGIN_NAMESPACE_STD
+#define _Mdouble_END_NAMESPACE __END_NAMESPACE_STD
#include <bits/mathcalls.h>
#undef _Mdouble_
#undef _Mdouble_BEGIN_NAMESPACE
@@ -83,7 +83,7 @@ __BEGIN_DECLS
# ifndef _Mfloat_
# define _Mfloat_ float
# endif
-# define _Mdouble_ _Mfloat_
+# define _Mdouble_ _Mfloat_
# ifdef __STDC__
# define __MATH_PRECNAME(name,r) name##f##r
# else
@@ -130,7 +130,7 @@ extern long double __REDIRECT_NTH (nexttowardl,
# ifndef _Mlong_double_
# define _Mlong_double_ long double
# endif
-# define _Mdouble_ _Mlong_double_
+# define _Mdouble_ _Mlong_double_
# ifdef __STDC__
# define __MATH_PRECNAME(name,r) name##l##r
# else
@@ -138,10 +138,11 @@ extern long double __REDIRECT_NTH (nexttowardl,
# endif
# define _Mdouble_BEGIN_NAMESPACE __BEGIN_NAMESPACE_C99
# define _Mdouble_END_NAMESPACE __END_NAMESPACE_C99
+# define __MATH_DECLARE_LDOUBLE 1
# include <bits/mathcalls.h>
# undef _Mdouble_
-# undef _Mdouble_BEGIN_NAMESPACE
-# undef _Mdouble_END_NAMESPACE
+# undef _Mdouble_BEGIN_NAMESPACE
+# undef _Mdouble_END_NAMESPACE
# undef __MATH_PRECNAME
# endif /* __STDC__ || __GNUC__ */
@@ -416,6 +417,12 @@ extern int matherr (struct exception *__exc);
# include <bits/mathinline.h>
#endif
+/* Define special entry points to use when the compiler got told to
+ only expect finite results. */
+#if defined __FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0
+# include <bits/math-finite.h>
+#endif
+
#ifdef __USE_ISOC99
/* If we've still got undefined comparison macros, provide defaults. */