1/* w_acoshl.c -- long double version of w_acosh.c.
2 */
3
4/*
5 * ====================================================
6 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
7 *
8 * Developed at SunPro, a Sun Microsystems, Inc. business.
9 * Permission to use, copy, modify, and distribute this
10 * software is freely granted, provided that this notice
11 * is preserved.
12 * ====================================================
13 */
14
15/*
16 * wrapper coshl(x)
17 */
18
19#include <math.h>
20#include <math_private.h>
21#include <math-svid-compat.h>
22#include <libm-alias-ldouble.h>
23
24#if LIBM_SVID_COMPAT
25long 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}
35libm_alias_ldouble (__cosh, cosh)
36#endif
37

source code of glibc/math/w_coshl_compat.c