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/* @(#)w_cosh.c 5.1 93/09/24 */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: w_cosh.c,v 1.6 1995/05/10 20:48:47 jtc Exp $";
#endif
/*
* wrapper cosh(x)
*/
#include <math.h>
#include <math_private.h>
#ifdef __STDC__
double __cosh(double x) /* wrapper cosh */
#else
double __cosh(x) /* wrapper cosh */
double x;
#endif
{
#ifdef _IEEE_LIBM
return __ieee754_cosh(x);
#else
double z;
z = __ieee754_cosh(x);
if(_LIB_VERSION == _IEEE_ || __isnan(x)) return z;
if(!__finite(z) && __finite(x)) {
return __kernel_standard(x,x,5); /* cosh overflow */
} else
return z;
#endif
}
weak_alias (__cosh, cosh)
#ifdef NO_LONG_DOUBLE
strong_alias (__cosh, __coshl)
weak_alias (__cosh, coshl)
#endif
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