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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22/* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27#pragma ident "%Z%%M% %I% %E% SMI" 28 29/* 30 * _X_cplx_lr_div_rx(a, w) returns a / w computed by the textbook 31 * formula without regard to exceptions or special cases. 32 * 33 * This code is intended to be used only when CX_LIMITED_RANGE is 34 * ON; otherwise use _X_cplx_div_rx. 35 */ 36 37#if !defined(i386) && !defined(__i386) && !defined(__amd64) 38#error This code is for x86 only 39#endif 40 41long double _Complex 42_X_cplx_lr_div_rx(long double a, long double _Complex w) 43{ 44 long double _Complex v; 45 long double c, d, r; 46 47 c = ((long double *)&w)[0]; 48 d = ((long double *)&w)[1]; 49 r = a / (c * c + d * d); 50 ((long double *)&v)[0] = r * c; 51 ((long double *)&v)[1] = r * -d; 52 return (v); 53} 54