glibc/math/w_coshf.c
Ulrich Drepper 0ac5ae2335 Optimize libm
libm is now somewhat integrated with gcc's -ffinite-math-only option
and lots of the wrapper functions have been optimized.
2011-10-12 11:27:51 -04:00

35 lines
893 B
C

/* w_coshf.c -- float version of w_cosh.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
* Optimizations by Ulrich Drepper <drepper@gmail.com>, 2011.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
/*
* wrapper coshf(x)
*/
#include <math.h>
#include <math_private.h>
float
__coshf (float x)
{
float z = __ieee754_coshf (x);
if (__builtin_expect (!__finitef (z), 0) && __finitef (x)
&& _LIB_VERSION != _IEEE_)
return __kernel_standard_f (x, x, 105); /* cosh overflow */
return z;
}
weak_alias (__coshf, coshf)