toolchain/gcc/newlib/libm/math/wf_sincos.c

   1 /* sincos -- currently no more efficient than two separate calls to
   2    sin and cos. */
   3 #include "fdlibm.h"
   4 #include <errno.h>
   5
   6 #ifdef __STDC__
   7         void sincosf(float x, float *sinx, float *cosx)
   8 #else
   9         void sincosf(x, sinx, cosx)
  10         float x;
  11         float *sinx;
  12         float *cosx;
  13 #endif
  14 {
  15   *sinx = sinf (x);
  16   *cosx = cosf (x);
  17 }
  18
  19 #ifdef _DOUBLE_IS_32BITS
  20
  21 #ifdef __STDC__
  22         void sincos(double x, double *sinx, double *cosx)
  23 #else
  24         void sincos(x, sinx, cosx)
  25         double x;
  26         double sinx;
  27         double cosx;
  28 #endif
  29 {
  30   *sinx = sinf((float) x);
  31   *cosx = cosf((float) x);
  32 }
  33 #endif /* defined(_DOUBLE_IS_32BITS) */