1 /* @(#)w_acosh.c 5.1 93/09/24 */
3 * ====================================================
4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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
10 * ====================================================
13 #if defined(LIBM_SCCS) && !defined(lint)
14 static char rcsid[] = "$NetBSD: w_acosh.c,v 1.6 1995/05/10 20:48:31 jtc Exp $";
22 #include "math_private.h"
25 double __acosh(double x) /* wrapper acosh */
27 double __acosh(x) /* wrapper acosh */
32 return __ieee754_acosh(x);
35 z = __ieee754_acosh(x);
36 if(_LIB_VERSION == _IEEE_ || __isnan(x)) return z;
38 return __kernel_standard(x,x,29); /* acosh(x<1) */
43 weak_alias (__acosh, acosh)
45 strong_alias (__acosh, __acoshl)
46 weak_alias (__acosh, acoshl)