newlib-cygwin/newlib/libm/mathfp/sf_exp2.c

24 lines
423 B
C

/* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved.
*
* Permission to use, copy, modify, and distribute this software
* is freely granted, provided that this notice is preserved.
*/
#include "fdlibm.h"
float
_DEFUN (exp2f, (float),
float x)
{
return powf(2.0, x);
}
#ifdef _DOUBLE_IS_32BITS
double exp2 (double x)
{
return (double) exp2f ((float) x);
}
#endif /* _DOUBLE_IS_32BITS */