| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Optimizations bu Ulrich Drepper <drepper@gmail.com>, 2011 */ |
| 2 | /* |
| 3 | * ==================================================== |
| 4 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
| 5 | * |
| 6 | * Developed at SunPro, a Sun Microsystems, Inc. business. |
| 7 | * Permission to use, copy, modify, and distribute this |
| 8 | * software is freely granted, provided that this notice |
| 9 | * is preserved. |
| 10 | * ==================================================== |
| 11 | */ |
| 12 | |
| 13 | /* |
| 14 | * wrapper cosh(x) |
| 15 | */ |
| 16 | |
| 17 | #include <math.h> |
| 18 | #include <math_private.h> |
| 19 | |
| 20 | double |
| 21 | __cosh (double x) |
| 22 | { |
| 23 | double z = __ieee754_cosh (x); |
| 24 | if (__builtin_expect (!isfinite (z), 0) && isfinite (x) |
| 25 | && _LIB_VERSION != _IEEE_) |
| 26 | return __kernel_standard (x, x, 5); /* cosh overflow */ |
| 27 | |
| 28 | return z; |
| 29 | } |
| 30 | weak_alias (__cosh, cosh) |
| 31 | #ifdef NO_LONG_DOUBLE |
| 32 | strong_alias (__cosh, __coshl) |
| 33 | weak_alias (__cosh, coshl) |
| 34 | #endif |