[thirdparty/glibc.git] / sysdeps / i386 / fpu / math-tests-snan.h

/* Configuration for math tests: sNaN support.  32-bit x86 version.
   Copyright (C) 2013-2019 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
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#ifndef I386_MATH_TESTS_SNAN_H
#define I386_MATH_TESTS_SNAN_H 1

/* On 32-bit x86, versions of GCC up to at least 4.8 are happy to use
   FPU load instructions for sNaN values, and loading a float or
   double sNaN value will already raise an INVALID exception as well
   as turn the sNaN into a qNaN, rendering certain tests infeasible in
   this scenario.  <https://gcc.gnu.org/PR56831>.  */
#define SNAN_TESTS_float	0
#define SNAN_TESTS_double	0
#define SNAN_TESTS_long_double	1

/* Before GCC 7, there is no built-in function to provide a __float128
   sNaN, so most sNaN tests for this type cannot work.  */
#if __GNUC_PREREQ (7, 0)
# define SNAN_TESTS_float128	1
#else
# define SNAN_TESTS_float128	0
#endif

#endif /* math-tests-snan.h.  */
Commit	Line	Data
2ce7ba7d	1	/* Configuration for math tests: sNaN support. 32-bit x86 version.
04277e02	2	Copyright (C) 2013-2019 Free Software Foundation, Inc.
5aa4a1a1 TS	3	This file is part of the GNU C Library.
	4
	5	The GNU C Library is free software; you can redistribute it and/or
	6	modify it under the terms of the GNU Lesser General Public
	7	License as published by the Free Software Foundation; either
	8	version 2.1 of the License, or (at your option) any later version.
	9
	10	The GNU C Library is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	Lesser General Public License for more details.
	14
	15	You should have received a copy of the GNU Lesser General Public
	16	License along with the GNU C Library; if not, see
	17	<http://www.gnu.org/licenses/>. */
	18
2ce7ba7d JM	19	#ifndef I386_MATH_TESTS_SNAN_H
	20	#define I386_MATH_TESTS_SNAN_H 1
	21
	22	/* On 32-bit x86, versions of GCC up to at least 4.8 are happy to use
	23	FPU load instructions for sNaN values, and loading a float or
	24	double sNaN value will already raise an INVALID exception as well
	25	as turn the sNaN into a qNaN, rendering certain tests infeasible in
	26	this scenario. <https://gcc.gnu.org/PR56831>. */
5aa4a1a1 TS	27	#define SNAN_TESTS_float 0
5aa4a1a1 TS	28	#define SNAN_TESTS_double 0
2ce7ba7d JM	29	#define SNAN_TESTS_long_double 1
	30
	31	/* Before GCC 7, there is no built-in function to provide a __float128
	32	sNaN, so most sNaN tests for this type cannot work. */
	33	#if __GNUC_PREREQ (7, 0)
	34	# define SNAN_TESTS_float128 1
	35	#else
	36	# define SNAN_TESTS_float128 0
	37	#endif
5aa4a1a1	38
2ce7ba7d	39	#endif /* math-tests-snan.h. */