48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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*
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* FFmpeg 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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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <math.h>
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#define FUN(name, type, op) \
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type name(type x, type y) \
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{ \
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if (fpclassify(x) == FP_NAN) return y; \
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if (fpclassify(y) == FP_NAN) return x; \
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return x op y ? x : y; \
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}
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FUN(fmin, double, <)
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FUN(fmax, double, >)
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FUN(fminf, float, <)
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FUN(fmaxf, float, >)
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long double fmodl(long double x, long double y)
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{
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return fmod(x, y);
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}
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long double scalbnl(long double x, int exp)
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{
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return scalbn(x, exp);
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}
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long double copysignl(long double x, long double y)
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{
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return copysign(x, y);
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}
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