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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /math/math.h
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'math/math.h')
-rw-r--r--math/math.h31
1 files changed, 29 insertions, 2 deletions
diff --git a/math/math.h b/math/math.h
index 7f8a4815f4..c50b2e7b07 100644
--- a/math/math.h
+++ b/math/math.h
@@ -1,5 +1,6 @@
/* Declarations for math functions.
- Copyright (C) 1991-1993,1995-1999,2001,2002,2004 Free Software Foundation, Inc.
+ Copyright (C) 1991-1993, 1995-1999, 2001, 2002, 2004, 2006
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -96,10 +97,36 @@ __BEGIN_DECLS
# undef _Mdouble_END_NAMESPACE
# undef __MATH_PRECNAME
-# if (__STDC__ - 0 || __GNUC__ - 0) && !defined __NO_LONG_DOUBLE_MATH
+# if (__STDC__ - 0 || __GNUC__ - 0) \
+ && (!defined __NO_LONG_DOUBLE_MATH || defined __LDBL_COMPAT)
+# ifdef __LDBL_COMPAT
+
+# ifdef __USE_ISOC99
+extern float __nldbl_nexttowardf (float __x, long double __y)
+ __THROW __attribute__ ((__const__));
+# ifdef __REDIRECT_NTH
+extern float __REDIRECT_NTH (nexttowardf, (float __x, long double __y),
+ __nldbl_nexttowardf)
+ __attribute__ ((__const__));
+extern double __REDIRECT_NTH (nexttoward, (double __x, long double __y),
+ nextafter) __attribute__ ((__const__));
+extern long double __REDIRECT_NTH (nexttowardl,
+ (long double __x, long double __y),
+ nextafter) __attribute__ ((__const__));
+# endif
+# endif
+
/* Include the file of declarations again, this time using `long double'
instead of `double' and appending l to each function name. */
+# undef __MATHDECL_1
+# define __MATHDECL_2(type, function,suffix, args, alias) \
+ extern type __REDIRECT_NTH(__MATH_PRECNAME(function,suffix), \
+ args, alias)
+# define __MATHDECL_1(type, function,suffix, args) \
+ __MATHDECL_2(type, function,suffix, args, __CONCAT(function,suffix))
+# endif
+
# ifndef _Mlong_double_
# define _Mlong_double_ long double
# endif