1/* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19#include <math.h> 20 21#define FUN(name, type, op) \ 22type name(type x, type y) \ 23{ \ 24 if (fpclassify(x) == FP_NAN) return y; \ 25 if (fpclassify(y) == FP_NAN) return x; \ 26 return x op y ? x : y; \ 27} 28 29FUN(fmin, double, <) 30FUN(fmax, double, >) 31FUN(fminf, float, <) 32FUN(fmaxf, float, >) 33 34long double fmodl(long double x, long double y) 35{ 36 return fmod(x, y); 37} 38 39long double scalbnl(long double x, int exp) 40{ 41 return scalbn(x, exp); 42} 43 44long double copysignl(long double x, long double y) 45{ 46 return copysign(x, y); 47} 48