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31 lines
1.4 KiB
C
31 lines
1.4 KiB
C
/* Configuration for math tests: casts of sNaN values. PowerPC version.
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Copyright (C) 2013-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef POWERPC_MATH_TESTS_SNAN_CAST_H
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#define POWERPC_MATH_TESTS_SNAN_CAST_H 1
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/* On PowerPC, in versions of GCC up to at least 4.7.2, a type cast --
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which is a IEEE 754-2008 general-computational convertFormat
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operation (IEEE 754-2008, 5.4.2) -- does not turn a sNaN into a
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qNaN (whilst raising an INVALID exception), which is contrary to
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IEEE 754-2008 5.1 and 7.2. This renders certain tests infeasible
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in this scenario. <https://gcc.gnu.org/PR56828>. */
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#define SNAN_TESTS_TYPE_CAST 0
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#endif /* math-tests-snan-cast.h. */
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