1 /* @(#)w_cosh.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 * ====================================================
12 * $FreeBSD: src/lib/msun/src/w_cosh.c,v 1.5 1999/08/28 00:06:59 peter Exp $
13 * $DragonFly: src/lib/msun/src/Attic/w_cosh.c,v 1.2 2003/06/17 04:26:53 dillon Exp $
21 #include "math_private.h"
24 double cosh(double x) /* wrapper cosh */
26 double cosh(x) /* wrapper cosh */
31 return __ieee754_cosh(x);
34 z = __ieee754_cosh(x);
35 if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;
36 if(fabs(x)>7.10475860073943863426e+02) {
37 return __kernel_standard(x,x,5); /* cosh overflow */