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Define math_errhandling is possible.
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@ -1,5 +1,9 @@
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2009-08-24 Ulrich Drepper <drepper@redhat.com>
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* math/math.h: Define math_errhandling of __FAST_MATH__ is not defined.
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* sysdeps/i386/fpu/bits/mathinline.h: Undefine math_errhandling if we
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are using the inline optimizations.
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* sysdeps/x86_64/fpu/bits/mathinline.h (__signbit): Optimize.
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(__signbitf): Likewise.
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11
math/math.h
11
math/math.h
@ -1,5 +1,5 @@
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/* Declarations for math functions.
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Copyright (C) 1991-1993, 1995-1999, 2001, 2002, 2004, 2006
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Copyright (C) 1991-1993, 1995-1999, 2001, 2002, 2004, 2006, 2009
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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@ -101,7 +101,7 @@ __BEGIN_DECLS
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&& (!defined __NO_LONG_DOUBLE_MATH || defined __LDBL_COMPAT)
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# ifdef __LDBL_COMPAT
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# ifdef __USE_ISOC99
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# ifdef __USE_ISOC99
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extern float __nldbl_nexttowardf (float __x, long double __y)
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__THROW __attribute__ ((__const__));
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# ifdef __REDIRECT_NTH
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@ -277,6 +277,13 @@ enum
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# define MATH_ERRNO 1 /* errno set by math functions. */
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# define MATH_ERREXCEPT 2 /* Exceptions raised by math functions. */
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/* By default all functions support both errno and exception handling.
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In gcc's fast math mode and if inline functions are defined this
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might not be true. */
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# ifndef __FAST_MATH__
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# define math_errhandling (MATH_ERRNO | MATH_ERREXCEPT)
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# endif
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#endif /* Use ISO C99. */
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#ifdef __USE_MISC
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@ -1,5 +1,5 @@
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/* Inline math functions for i387.
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Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2003,2004,2006,2007
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Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2003,2004,2006,2007,2009
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by John C. Bowman <bowman@math.ualberta.ca>, 1995.
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@ -153,6 +153,10 @@ __NTH (__signbitl (long double __x))
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#if ((!defined __NO_MATH_INLINES || defined __LIBC_INTERNAL_MATH_INLINES) \
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&& defined __OPTIMIZE__)
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/* The inline functions do not set errno or raise necessarily the
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correct exceptions. */
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# undef math_errhandling
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/* A macro to define float, double, and long double versions of various
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math functions for the ix87 FPU. FUNC is the function name (which will
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be suffixed with f and l for the float and long double version,
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