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29 lines
1.0 KiB
C
29 lines
1.0 KiB
C
/* NaN payload handling for float.
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Copyright (C) 1997-2023 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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#define SET_NAN_PAYLOAD(flt, mant) \
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do \
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{ \
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union ieee754_float u; \
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u.f = (flt); \
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u.ieee_nan.mantissa = (mant); \
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if (u.ieee.mantissa != 0) \
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(flt) = u.f; \
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} \
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while (0)
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