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Add SNAN macros for more _FloatN, _FloatNx types.

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This patch continues the preparation for additional _FloatN / _FloatNx
type support by adding appropriately conditional definitions of SNAN*
macros, corresponding to the SNANF128 definition already present.

Tested for x86_64.

	* math/math.h [__HAVE_FLOAT16 && __GLIBC_USE
	(IEC_60559_TYPES_EXT)] (SNANF16): New macro.
	[__HAVE_FLOAT32 && __GLIBC_USE (IEC_60559_TYPES_EXT)] (SNANF32):
	Likewise.
	[__HAVE_FLOAT64 && __GLIBC_USE (IEC_60559_TYPES_EXT)] (SNANF64):
	Likewise.
	[__HAVE_FLOAT32X && __GLIBC_USE (IEC_60559_TYPES_EXT)] (SNANF32X):
	Likewise.
	[__HAVE_FLOAT64X && __GLIBC_USE (IEC_60559_TYPES_EXT)] (SNANF64X):
	Likewise.
	[__HAVE_FLOAT128X && __GLIBC_USE (IEC_60559_TYPES_EXT)]
	(SNANF128X): Likewise.
This commit is contained in:
Joseph Myers 2017-10-26 23:34:55 +00:00
parent 5d220788b3
commit ecc7da5bb8
2 changed files with 31 additions and 0 deletions
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13
ChangeLog
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@ -1,5 +1,18 @@
2017-10-26 Joseph Myers <joseph@codesourcery.com>
* math/math.h [__HAVE_FLOAT16 && __GLIBC_USE
(IEC_60559_TYPES_EXT)] (SNANF16): New macro.
[__HAVE_FLOAT32 && __GLIBC_USE (IEC_60559_TYPES_EXT)] (SNANF32):
Likewise.
[__HAVE_FLOAT64 && __GLIBC_USE (IEC_60559_TYPES_EXT)] (SNANF64):
Likewise.
[__HAVE_FLOAT32X && __GLIBC_USE (IEC_60559_TYPES_EXT)] (SNANF32X):
Likewise.
[__HAVE_FLOAT64X && __GLIBC_USE (IEC_60559_TYPES_EXT)] (SNANF64X):
Likewise.
[__HAVE_FLOAT128X && __GLIBC_USE (IEC_60559_TYPES_EXT)]
(SNANF128X): Likewise.
* math/math.h [__HAVE_FLOAT16 && __GLIBC_USE
(IEC_60559_TYPES_EXT)] (HUGE_VAL_F16): New macro.
[__HAVE_FLOAT32 && __GLIBC_USE (IEC_60559_TYPES_EXT)]

18
math/math.h
View File

@ -112,9 +112,27 @@ __BEGIN_DECLS
# define SNANL (__builtin_nansl (""))
# endif
#endif
#if __HAVE_FLOAT16 && __GLIBC_USE (IEC_60559_TYPES_EXT)
# define SNANF16 (__builtin_nansf16 (""))
#endif
#if __HAVE_FLOAT32 && __GLIBC_USE (IEC_60559_TYPES_EXT)
# define SNANF32 (__builtin_nansf32 (""))
#endif
#if __HAVE_FLOAT64 && __GLIBC_USE (IEC_60559_TYPES_EXT)
# define SNANF64 (__builtin_nansf64 (""))
#endif
#if __HAVE_FLOAT128 && __GLIBC_USE (IEC_60559_TYPES_EXT)
# define SNANF128 (__builtin_nansf128 (""))
#endif
#if __HAVE_FLOAT32X && __GLIBC_USE (IEC_60559_TYPES_EXT)
# define SNANF32X (__builtin_nansf32x (""))
#endif
#if __HAVE_FLOAT64X && __GLIBC_USE (IEC_60559_TYPES_EXT)
# define SNANF64X (__builtin_nansf64x (""))
#endif
#if __HAVE_FLOAT128X && __GLIBC_USE (IEC_60559_TYPES_EXT)
# define SNANF128X (__builtin_nansf128x (""))
#endif
/* Get __GLIBC_FLT_EVAL_METHOD. */
#include <bits/flt-eval-method.h>