| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 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) |