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 #pragma weak cprojf = __cprojf 31 32 #include "libm.h" 33 #include "complex_wrapper.h" 34 35 /* INDENT OFF */ 36 static const float zero = 0.0F; 37 /* INDENT ON */ 38 39 fcomplex 40 cprojf(fcomplex z) { 41 float x, y; 42 int ix, iy, hx, hy; 43 44 x = F_RE(z); 45 y = F_IM(z); 46 hx = THE_WORD(x); 47 hy = THE_WORD(y); 48 ix = hx & 0x7fffffff; 49 iy = hy & 0x7fffffff; 50 if (iy == 0x7f800000) { 51 F_RE(z) = fabsf(y); 52 F_IM(z) = hy >= 0 ? zero : -zero; 53 } else if (ix == 0x7f800000) { 54 F_RE(z) = fabsf(x); 55 F_IM(z) = hy >= 0 ? zero : -zero; 56 } 57 return (z); 58 } 59