/*
 * 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

#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 */