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#ifndef _COMPLEX_WRAPPER_H
31#define	_COMPLEX_WRAPPER_H
32
33#pragma ident	"@(#)complex_wrapper.h	1.7	06/01/31 SMI"
34
35#if defined(__GNUC__)
36#define dcomplex double _Complex
37#define fcomplex float _Complex
38#define ldcomplex long double _Complex
39#define D_RE(x) __real__ x
40#define D_IM(x) __imag__ x
41#define F_RE(x) __real__ x
42#define F_IM(x) __imag__ x
43#define LD_RE(x) __real__ x
44#define LD_IM(x) __imag__ x
45
46#include <complex.h>
47#else
48
49#define	dcomplex	double complex
50#define	fcomplex	float complex
51#define	ldcomplex	long double complex
52#define	_X_RE(__t, __z)	((__t *) &__z)[0]
53#define	_X_IM(__t, __z)	((__t *) &__z)[1]
54#define	D_RE(__z)	_X_RE(double, __z)
55#define	D_IM(__z)	_X_IM(double, __z)
56#define	F_RE(__z)	_X_RE(float, __z)
57#define	F_IM(__z)	_X_IM(float, __z)
58#define	LD_RE(__z)	_X_RE(long double, __z)
59#define	LD_IM(__z)	_X_IM(long double, __z)
60
61#include <complex.h>
62#endif
63
64#if defined(__sparc)
65#define	HIWORD	0
66#define	LOWORD	1
67#define	HI_XWORD(x)	((unsigned *) &x)[0]
68#define	XFSCALE(x, n)	((unsigned *) &x)[0] += n << 16	/* signbitl(x) == 0 */
69#define	CHOPPED(x)	((long double) ((double) (x)))
70#elif defined(__x86)
71#define	HIWORD	1
72#define	LOWORD	0
73#define	HI_XWORD(x)	((((int *) &x)[2] << 16) | \
74			(0xffff & ((unsigned *) &x)[1] >> 15))
75#define	XFSCALE(x, n)	((unsigned short *) &x)[4] += n	/* signbitl(x) == 0 */
76#define	CHOPPED(x)	((long double) ((float) (x)))
77#else
78#error Unknown architecture
79#endif
80#define	HI_WORD(x)	((int *) &x)[HIWORD]	/* for double */
81#define	LO_WORD(x)	((int *) &x)[LOWORD]	/* for double */
82#define	THE_WORD(x)	((int *) &x)[0]		/* for float */
83
84/*
85 * iy:ly must have the sign bit already cleared
86 */
87#define	ISINF(iy, ly)	(((iy - 0x7ff00000) | ly) == 0)
88
89#endif	/* _COMPLEX_WRAPPER_H */
90