11dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* s_copysignf.c -- float version of s_copysign.c. 21dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. 31dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 41dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 51dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 61dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * ==================================================== 71dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. 81dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 91dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Developed at SunPro, a Sun Microsystems, Inc. business. 101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Permission to use, copy, modify, and distribute this 111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * software is freely granted, provided that this notice 121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * is preserved. 131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * ==================================================== 141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 16a0ee07829a9ba7e99ef68e8c12551301cc797f0fElliott Hughes#include <sys/cdefs.h> 17a0ee07829a9ba7e99ef68e8c12551301cc797f0fElliott Hughes__FBSDID("$FreeBSD$"); 181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * copysignf(float x, float y) 211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * copysignf(x,y) returns a value with the magnitude of x and 221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * with the sign bit of y. 231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include "math.h" 261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include "math_private.h" 271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 281dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectfloat 291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectcopysignf(float x, float y) 301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project u_int32_t ix,iy; 321dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project GET_FLOAT_WORD(ix,x); 331dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project GET_FLOAT_WORD(iy,y); 341dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project SET_FLOAT_WORD(x,(ix&0x7fffffff)|(iy&0x80000000)); 351dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return x; 361dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 37