Retro68/gcc/newlib/libm/mathfp/sf_cos.c
Wolfgang Thaller ec13cc9ce7 fix newlib
2018-12-29 09:59:36 +01:00

34 lines
543 B
C

/* @(#)z_cosf.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"
float
cosf (float x)
{
return (sinef (x, 1));
}
#ifdef _DOUBLE_IS_32BITS
double cos (double x)
{
return (double) sinef ((float) x, 1);
}
#endif /* defined(_DOUBLE_IS_32BITS) */