toolchain/gcc/newlib/libm/mathfp/s_sinf.c

   1
   2 /* @(#)z_sinf.c 1.0 98/08/13 */
   3 /******************************************************************
   4  * Sine
   5  *
   6  * Input:
   7  *   x - floating point value
   8  *
   9  * Output:
  10  *   sine of x
  11  *
  12  * Description:
  13  *   This routine returns the sine of x.
  14  *
  15  *****************************************************************/
  16
  17 #include "fdlibm.h"
  18 #include "zmath.h"
  19
  20 float
  21 _DEFUN (sinf, (float),
  22         float x)
  23 {
  24   return (sinef (x, 0));
  25 }
  26
  27 #ifdef _DOUBLE_IS_32BITS
  28
  29 double sin (double x)
  30 {
  31   return (double) sinf ((float) x);
  32 }
  33
  34 #endif /* _DOUBLE_IS_32BITS */