12116Sjkh/* s_copysignf.c -- float version of s_copysign.c. 22116Sjkh * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. 32116Sjkh */ 42116Sjkh 52116Sjkh/* 62116Sjkh * ==================================================== 72116Sjkh * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. 82116Sjkh * 92116Sjkh * Developed at SunPro, a Sun Microsystems, Inc. business. 102116Sjkh * Permission to use, copy, modify, and distribute this 118870Srgrimes * software is freely granted, provided that this notice 122116Sjkh * is preserved. 132116Sjkh * ==================================================== 142116Sjkh */ 152116Sjkh 16176451Sdas#include <sys/cdefs.h> 17176451Sdas__FBSDID("$FreeBSD: releng/11.0/lib/msun/src/s_copysignf.c 176451 2008-02-22 02:30:36Z das $"); 182116Sjkh 192116Sjkh/* 202116Sjkh * copysignf(float x, float y) 212116Sjkh * copysignf(x,y) returns a value with the magnitude of x and 222116Sjkh * with the sign bit of y. 232116Sjkh */ 242116Sjkh 252116Sjkh#include "math.h" 262116Sjkh#include "math_private.h" 272116Sjkh 2897413Salfredfloat 29117912Spetercopysignf(float x, float y) 302116Sjkh{ 312116Sjkh u_int32_t ix,iy; 322116Sjkh GET_FLOAT_WORD(ix,x); 332116Sjkh GET_FLOAT_WORD(iy,y); 342116Sjkh SET_FLOAT_WORD(x,(ix&0x7fffffff)|(iy&0x80000000)); 352116Sjkh return x; 362116Sjkh} 37