1 | /* w_acoshl.c -- long double version of w_acosh.c. |
2 | * Conversion to long double by Ulrich Drepper, |
3 | * Cygnus Support, drepper@cygnus.com. |
4 | * Optimizations bu Ulrich Drepper <drepper@gmail.com>, 2011. |
5 | */ |
6 | |
7 | /* |
8 | * ==================================================== |
9 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
10 | * |
11 | * Developed at SunPro, a Sun Microsystems, Inc. business. |
12 | * Permission to use, copy, modify, and distribute this |
13 | * software is freely granted, provided that this notice |
14 | * is preserved. |
15 | * ==================================================== |
16 | */ |
17 | |
18 | /* |
19 | * wrapper coshl(x) |
20 | */ |
21 | |
22 | #include <math.h> |
23 | #include <math_private.h> |
24 | |
25 | long double |
26 | __coshl (long double x) |
27 | { |
28 | long double z = __ieee754_coshl (x); |
29 | if (__builtin_expect (!isfinite (z), 0) && isfinite (x) |
30 | && _LIB_VERSION != _IEEE_) |
31 | return __kernel_standard_l (x, x, 205); /* cosh overflow */ |
32 | |
33 | return z; |
34 | } |
35 | weak_alias (__coshl, coshl) |
36 | |