1 /* w_acoshl.c -- long double version of w_acosh.c.
5 * ====================================================
6 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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
12 * ====================================================
20 #include <math_private.h>
21 #include <math-svid-compat.h>
22 #include <libm-alias-ldouble.h>
26 __coshl (long double x)
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 */
35 libm_alias_ldouble (__cosh, cosh)