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compat/djgpp/math.c
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Peter Ross
additional math.h functions for djgpp
28 ноя 2018, 14:16
28 ноя 2018, 14:16
dea1224
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/* * This file is part of FFmpeg. * * FFmpeg 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. * * FFmpeg 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 FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include <math.h> #define FUN(name, type, op) \ type name(type x, type y) \ { \ if (fpclassify(x) == FP_NAN) return y; \ if (fpclassify(y) == FP_NAN) return x; \ return x op y ? x : y; \ } FUN(fmin, double, <) FUN(fmax, double, >) FUN(fminf, float, <) FUN(fmaxf, float, >) long double fmodl(long double x, long double y) { return fmod(x, y); } long double scalbnl(long double x, int exp) { return scalbn(x, exp); } long double copysignl(long double x, long double y) { return copysign(x, y); }