dlls/msvcrt/sincos.c

   1 /*
   2  * sincos implementation
   3  *
   4  * Copyright 2021 Jacek Caban for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #if 0
  22 #pragma makedep implib
  23 #endif
  24
  25 #include <math.h>
  26
  27 /* GCC may optimize a pair of sin(), cos() calls to a single sincos() call,
  28  * which is not exported by any msvcrt version. */
  29
  30 void sincos(double x, double *s, double *c)
  31 {
  32     *s = sin(x);
  33     *c = cos(x);
  34 }
  35
  36 void sincosf(float x, float *s, float *c)
  37 {
  38     *s = sinf(x);
  39     *c = cosf(x);
  40 }