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glibc/math/w_coshl.c
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/* 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) |