1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
24 */
25/*
26 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
27 * Use is subject to license terms.
28 */
29
30#pragma weak __cprojl = cprojl
31
32#include "libm.h"		/* fabsl */
33#include "complex_wrapper.h"
34#include "longdouble.h"
35
36/* INDENT OFF */
37static const long double zero = 0.0L;
38/* INDENT ON */
39
40ldcomplex
41cprojl(ldcomplex z) {
42	long double x, y;
43	int hy;
44
45	x = LD_RE(z);
46	y = LD_IM(z);
47#if defined(__x86)
48	hy = ((int *) &y)[2] << 16;
49#else
50	hy = ((int *) &y)[0];
51#endif
52	if (isinfl(y)) {
53		LD_RE(z) = fabsl(y);
54		LD_IM(z) = hy >= 0 ? zero : -zero;
55	} else if (isinfl(x)) {
56		LD_RE(z) = fabsl(x);
57		LD_IM(z) = hy >= 0 ? zero : -zero;
58	}
59	return (z);
60}
61