complex_wrapper.h revision 25c28e83beb90e7c80452a7c818c5e6f73a07dc8
/*
* 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
* or http://www.opensolaris.org/os/licensing.
* 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.
*/
#ifndef _COMPLEX_WRAPPER_H
#define _COMPLEX_WRAPPER_H
#pragma ident "@(#)complex_wrapper.h 1.7 06/01/31 SMI"
#if defined(__GNUC__)
#define dcomplex double _Complex
#define fcomplex float _Complex
#define ldcomplex long double _Complex
#define D_RE(x) __real__ x
#define D_IM(x) __imag__ x
#define F_RE(x) __real__ x
#define F_IM(x) __imag__ x
#define LD_RE(x) __real__ x
#define LD_IM(x) __imag__ x
#include <complex.h>
#else
#define dcomplex double complex
#define fcomplex float complex
#define ldcomplex long double complex
#define _X_RE(__t, __z) ((__t *) &__z)[0]
#define _X_IM(__t, __z) ((__t *) &__z)[1]
#define D_RE(__z) _X_RE(double, __z)
#define D_IM(__z) _X_IM(double, __z)
#define F_RE(__z) _X_RE(float, __z)
#define F_IM(__z) _X_IM(float, __z)
#define LD_RE(__z) _X_RE(long double, __z)
#define LD_IM(__z) _X_IM(long double, __z)
#include <complex.h>
#endif
#if defined(__sparc)
#define HIWORD 0
#define LOWORD 1
#define HI_XWORD(x) ((unsigned *) &x)[0]
#define XFSCALE(x, n) ((unsigned *) &x)[0] += n << 16 /* signbitl(x) == 0 */
#define CHOPPED(x) ((long double) ((double) (x)))
#elif defined(__x86)
#define HIWORD 1
#define LOWORD 0
#define HI_XWORD(x) ((((int *) &x)[2] << 16) | \
(0xffff & ((unsigned *) &x)[1] >> 15))
#define XFSCALE(x, n) ((unsigned short *) &x)[4] += n /* signbitl(x) == 0 */
#define CHOPPED(x) ((long double) ((float) (x)))
#else
#error Unknown architecture
#endif
#define HI_WORD(x) ((int *) &x)[HIWORD] /* for double */
#define LO_WORD(x) ((int *) &x)[LOWORD] /* for double */
#define THE_WORD(x) ((int *) &x)[0] /* for float */
/*
* iy:ly must have the sign bit already cleared
*/
#define ISINF(iy, ly) (((iy - 0x7ff00000) | ly) == 0)
#endif /* _COMPLEX_WRAPPER_H */