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File: [cvs.NetBSD.org] / src / lib / libm / src / w_acosh.c (download)

Revision 1.8, Fri Jul 2 15:37:43 1999 UTC (24 years, 9 months ago) by simonb
Branch: MAIN
CVS Tags: wrstuden-devbsize-base, wrstuden-devbsize-19991221, wrstuden-devbsize, netbsd-1-6-base, netbsd-1-6-RELEASE, netbsd-1-6-RC3, netbsd-1-6-RC2, netbsd-1-6-RC1, netbsd-1-6-PATCH002-RELEASE, netbsd-1-6-PATCH002-RC4, netbsd-1-6-PATCH002-RC3, netbsd-1-6-PATCH002-RC2, netbsd-1-6-PATCH002-RC1, netbsd-1-6-PATCH002, netbsd-1-6-PATCH001-RELEASE, netbsd-1-6-PATCH001-RC3, netbsd-1-6-PATCH001-RC2, netbsd-1-6-PATCH001-RC1, netbsd-1-6-PATCH001, netbsd-1-6, netbsd-1-5-base, netbsd-1-5-RELEASE, netbsd-1-5-PATCH003, netbsd-1-5-PATCH002, netbsd-1-5-PATCH001, netbsd-1-5-BETA2, netbsd-1-5-BETA, netbsd-1-5-ALPHA2, netbsd-1-5, minoura-xpg4dl-base, minoura-xpg4dl, comdex-fall-1999-base, comdex-fall-1999
Changes since 1.7: +3 -3 lines 

More trailing white space.

/* @(#)w_acosh.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.
 * ====================================================
 */

#include <sys/cdefs.h>
#if defined(LIBM_SCCS) && !defined(lint)
__RCSID("$NetBSD: w_acosh.c,v 1.8 1999/07/02 15:37:43 simonb Exp $");
#endif

/*
 * wrapper acosh(x)
 */

#include "math.h"
#include "math_private.h"

#ifdef __STDC__
	double acosh(double x)		/* wrapper acosh */
#else
	double acosh(x)			/* wrapper acosh */
	double x;
#endif
{
#ifdef _IEEE_LIBM
	return __ieee754_acosh(x);
#else
	double z;
	z = __ieee754_acosh(x);
	if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;
	if(x<1.0) {
	        return __kernel_standard(x,x,29); /* acosh(x<1) */
	} else
	    return z;
#endif
}