mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-21 04:31:04 +08:00
40 lines
1.6 KiB
C
40 lines
1.6 KiB
C
/* Configuration for math tests: sNaN support. 32-bit x86 version.
|
|
Copyright (C) 2013-2024 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
|
|
<https://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. */
|