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
25 long double
__coshl(long double x)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 libm_alias_ldouble (__cosh, cosh)
36 #endif
37