1*25c28e83SPiotr Jasiukajtis /* 2*25c28e83SPiotr Jasiukajtis * CDDL HEADER START 3*25c28e83SPiotr Jasiukajtis * 4*25c28e83SPiotr Jasiukajtis * The contents of this file are subject to the terms of the 5*25c28e83SPiotr Jasiukajtis * Common Development and Distribution License (the "License"). 6*25c28e83SPiotr Jasiukajtis * You may not use this file except in compliance with the License. 7*25c28e83SPiotr Jasiukajtis * 8*25c28e83SPiotr Jasiukajtis * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*25c28e83SPiotr Jasiukajtis * or http://www.opensolaris.org/os/licensing. 10*25c28e83SPiotr Jasiukajtis * See the License for the specific language governing permissions 11*25c28e83SPiotr Jasiukajtis * and limitations under the License. 12*25c28e83SPiotr Jasiukajtis * 13*25c28e83SPiotr Jasiukajtis * When distributing Covered Code, include this CDDL HEADER in each 14*25c28e83SPiotr Jasiukajtis * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*25c28e83SPiotr Jasiukajtis * If applicable, add the following below this CDDL HEADER, with the 16*25c28e83SPiotr Jasiukajtis * fields enclosed by brackets "[]" replaced with your own identifying 17*25c28e83SPiotr Jasiukajtis * information: Portions Copyright [yyyy] [name of copyright owner] 18*25c28e83SPiotr Jasiukajtis * 19*25c28e83SPiotr Jasiukajtis * CDDL HEADER END 20*25c28e83SPiotr Jasiukajtis */ 21*25c28e83SPiotr Jasiukajtis 22*25c28e83SPiotr Jasiukajtis /* 23*25c28e83SPiotr Jasiukajtis * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 24*25c28e83SPiotr Jasiukajtis */ 25*25c28e83SPiotr Jasiukajtis /* 26*25c28e83SPiotr Jasiukajtis * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 27*25c28e83SPiotr Jasiukajtis * Use is subject to license terms. 28*25c28e83SPiotr Jasiukajtis */ 29*25c28e83SPiotr Jasiukajtis 30*25c28e83SPiotr Jasiukajtis #pragma weak cprojf = __cprojf 31*25c28e83SPiotr Jasiukajtis 32*25c28e83SPiotr Jasiukajtis #include "libm.h" 33*25c28e83SPiotr Jasiukajtis #include "complex_wrapper.h" 34*25c28e83SPiotr Jasiukajtis 35*25c28e83SPiotr Jasiukajtis /* INDENT OFF */ 36*25c28e83SPiotr Jasiukajtis static const float zero = 0.0F; 37*25c28e83SPiotr Jasiukajtis /* INDENT ON */ 38*25c28e83SPiotr Jasiukajtis 39*25c28e83SPiotr Jasiukajtis fcomplex 40*25c28e83SPiotr Jasiukajtis cprojf(fcomplex z) { 41*25c28e83SPiotr Jasiukajtis float x, y; 42*25c28e83SPiotr Jasiukajtis int ix, iy, hx, hy; 43*25c28e83SPiotr Jasiukajtis 44*25c28e83SPiotr Jasiukajtis x = F_RE(z); 45*25c28e83SPiotr Jasiukajtis y = F_IM(z); 46*25c28e83SPiotr Jasiukajtis hx = THE_WORD(x); 47*25c28e83SPiotr Jasiukajtis hy = THE_WORD(y); 48*25c28e83SPiotr Jasiukajtis ix = hx & 0x7fffffff; 49*25c28e83SPiotr Jasiukajtis iy = hy & 0x7fffffff; 50*25c28e83SPiotr Jasiukajtis if (iy == 0x7f800000) { 51*25c28e83SPiotr Jasiukajtis F_RE(z) = fabsf(y); 52*25c28e83SPiotr Jasiukajtis F_IM(z) = hy >= 0 ? zero : -zero; 53*25c28e83SPiotr Jasiukajtis } else if (ix == 0x7f800000) { 54*25c28e83SPiotr Jasiukajtis F_RE(z) = fabsf(x); 55*25c28e83SPiotr Jasiukajtis F_IM(z) = hy >= 0 ? zero : -zero; 56*25c28e83SPiotr Jasiukajtis } 57*25c28e83SPiotr Jasiukajtis return (z); 58*25c28e83SPiotr Jasiukajtis } 59