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