newlib-cygwin/newlib/libm/mathfp/s_cos.c

30 lines
493 B
C

/* @(#)z_cos.c 1.0 98/08/13 */
/******************************************************************
* Cosine
*
* Input:
* x - floating point value
*
* Output:
* cosine of x
*
* Description:
* This routine returns the cosine of x.
*
*****************************************************************/
#include "fdlibm.h"
#include "zmath.h"
#ifndef _DOUBLE_IS_32BITS
double
_DEFUN (cos, (double),
double x)
{
return (sine (x, 1));
}
#endif /* _DOUBLE_IS_32BITS */