1 /* Configuration for math tests: casts of sNaN values. PowerPC version. 2 Copyright (C) 2013-2022 Free Software Foundation, Inc. 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 <https://www.gnu.org/licenses/>. */ 18 19 #ifndef POWERPC_MATH_TESTS_SNAN_CAST_H 20 #define POWERPC_MATH_TESTS_SNAN_CAST_H 1 21 22 /* On PowerPC, in versions of GCC up to at least 4.7.2, a type cast -- 23 which is a IEEE 754-2008 general-computational convertFormat 24 operation (IEEE 754-2008, 5.4.2) -- does not turn a sNaN into a 25 qNaN (whilst raising an INVALID exception), which is contrary to 26 IEEE 754-2008 5.1 and 7.2. This renders certain tests infeasible 27 in this scenario. <https://gcc.gnu.org/PR56828>. */ 28 #define SNAN_TESTS_TYPE_CAST 0 29 30 #endif /* math-tests-snan-cast.h. */ 31