| /* 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 cosh(x) |
| */ |
| |
| #include <math.h> |
| #include <math_private.h> |
| |
| double |
| __cosh (double x) |
| { |
| double z = __ieee754_cosh (x); |
| if (__builtin_expect (!isfinite (z), 0) && isfinite (x) |
| && _LIB_VERSION != _IEEE_) |
| return __kernel_standard (x, x, 5); /* cosh overflow */ |
| |
| return z; |
| } |
| weak_alias (__cosh, cosh) |
| #ifdef NO_LONG_DOUBLE |
| strong_alias (__cosh, __coshl) |
| weak_alias (__cosh, coshl) |
| #endif |