glibc/math/w_cosh.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
850 B
C

/* Optimizations bu 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 cosh(x)
*/
#include <math.h>
#include <math_private.h>
double
__cosh (double x)
{
double z = __ieee754_cosh (x);
if (__builtin_expect (!__finite (z), 0) && __finite (x)
&& _LIB_VERSION != _IEEE_)
return __kernel_standard (x, x, 5); /* cosh overflow */
return z;
}
weak_alias (__cosh, cosh)
#ifdef NO_LONG_DOUBLE
strong_alias (__cosh, __coshl)
weak_alias (__cosh, coshl)
#endif