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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) |