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
20double
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}
30weak_alias (__cosh, cosh)
31#ifdef NO_LONG_DOUBLE
32strong_alias (__cosh, __coshl)
33weak_alias (__cosh, coshl)
34#endif
35