diff options
Diffstat (limited to 'usr/src/lib/libm/common/complex/complex_wrapper.h')
| -rw-r--r-- | usr/src/lib/libm/common/complex/complex_wrapper.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/usr/src/lib/libm/common/complex/complex_wrapper.h b/usr/src/lib/libm/common/complex/complex_wrapper.h new file mode 100644 index 0000000000..b86a9846eb --- /dev/null +++ b/usr/src/lib/libm/common/complex/complex_wrapper.h @@ -0,0 +1,89 @@ +/* + * 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 */ |