/* 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 . */ #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. . */ #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. */