asinhl.c revision ddc0e0b53c661f6e439e3b7072b3ef353eadb4af
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include "libm.h"
static const long double
ln2 = 6.931471805599453094172321214581765680755e-0001L,
one = 1.0L,
big = 1.0e+20L,
tiny = 1.0e-20L;
long double
asinhl(long double x) {
long double t, w;
volatile long double dummy;
w = fabsl(x);
if (isnanl(x))
return (x + x); /* x is NaN */
if (w < tiny) {
#ifndef lint
#endif
return (x); /* tiny x */
} else if (w < big) {
t = one / w;
} else
}