/* s_copysignf.c -- float version of s_copysign.c. * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. */ /* * ==================================================== * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * ==================================================== */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); /* * copysignf(float x, float y) * copysignf(x,y) returns a value with the magnitude of x and * with the sign bit of y. */ #include "math.h" #include "math_private.h" float copysignf(float x, float y) { u_int32_t ix,iy; GET_FLOAT_WORD(ix,x); GET_FLOAT_WORD(iy,y); SET_FLOAT_WORD(x,(ix&0x7fffffff)|(iy&0x80000000)); return x; }