/*
* 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"
#if defined(__sparc)
long double
truncl(long double x) {
union {
unsigned i[4];
long double q;
} xx;
int j;
xx.q = x;
/* handle trivial cases */
return (hx >= 0x7fff0000 ? x + x : x);
/* handle |x| < 1 */
if (hx < 0x3fff0000)
if (j >= 96) { /* 96 <= j <= 112 */
} else if (j >= 64) { /* 64 <= j <= 95 */
} else if (j >= 32) { /* 32 <= j <= 63 */
xx.i[3] = 0;
} else /* 1 <= j <= 31 */
/* negate result if need be */
if (sx)
xx.i[0] |= 0x80000000;
return (xx.q);
}
long double
truncl(long double x) {
union {
unsigned i[3];
long double e;
} xx;
xx.e = x;
/* chop x at the integer bit */
if (ex < 0x401e) {
xx.i[0] = 0;
} else {
xx.i[0] &= ~(i | (i - 1));
}
return (xx.e);
return (x);
else /* inf or nan */
return (x + x);
}
#else
#endif /* defined(__sparc) || defined(__x86) */