glibc/math/w_coshl.c

36 lines
928 B
C

/* w_acoshl.c -- long double version of w_acosh.c.
* Conversion to long double by Ulrich Drepper,
* Cygnus Support, drepper@cygnus.com.
* 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 coshl(x)
*/
#include <math.h>
#include <math_private.h>
long double
__coshl (long double x)
{
long double z = __ieee754_coshl (x);
if (__builtin_expect (!isfinite (z), 0) && isfinite (x)
&& _LIB_VERSION != _IEEE_)
return __kernel_standard_l (x, x, 205); /* cosh overflow */
return z;
}
weak_alias (__coshl, coshl)