s_cproj.c revision 275819
15455Sdg/*- 21541Srgrimes * Copyright (c) 2008 David Schultz <das@FreeBSD.ORG> 31541Srgrimes * All rights reserved. 41541Srgrimes * 51541Srgrimes * Redistribution and use in source and binary forms, with or without 61541Srgrimes * modification, are permitted provided that the following conditions 71541Srgrimes * are met: 81541Srgrimes * 1. Redistributions of source code must retain the above copyright 91541Srgrimes * notice, this list of conditions and the following disclaimer. 101541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111541Srgrimes * notice, this list of conditions and the following disclaimer in the 121541Srgrimes * documentation and/or other materials provided with the distribution. 131541Srgrimes * 141541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 151541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 161541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 171541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 181541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 191541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 201541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 211541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 221541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 231541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 241541Srgrimes * SUCH DAMAGE. 251541Srgrimes */ 261541Srgrimes 271541Srgrimes#include <sys/cdefs.h> 281541Srgrimes__FBSDID("$FreeBSD: head/lib/msun/src/s_cproj.c 275819 2014-12-16 09:21:56Z ed $"); 291541Srgrimes 301541Srgrimes#include <complex.h> 311541Srgrimes#include <math.h> 321541Srgrimes 331541Srgrimes#include "math_private.h" 341541Srgrimes 351541Srgrimesdouble complex 361817Sdgcproj(double complex z) 371541Srgrimes{ 381541Srgrimes 391541Srgrimes if (!isinf(creal(z)) && !isinf(cimag(z))) 401541Srgrimes return (z); 411541Srgrimes else 421541Srgrimes return (CMPLX(INFINITY, copysign(0.0, cimag(z)))); 435455Sdg} 441541Srgrimes 451541Srgrimes#if LDBL_MANT_DIG == 53 461541Srgrimes__weak_reference(cproj, cprojl); 471541Srgrimes#endif 481541Srgrimes