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[/] [openrisc/] [trunk/] [gnu-stable/] [newlib-1.18.0/] [newlib/] [libm/] [common/] [sf_copysign.c] - Rev 816
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/* sf_copysign.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. * ==================================================== */ /* * copysignf(float x, float y) * copysignf(x,y) returns a value with the magnitude of x and * with the sign bit of y. */ #include "fdlibm.h" #ifdef __STDC__ float copysignf(float x, float y) #else float copysignf(x,y) float x,y; #endif { __uint32_t ix,iy; GET_FLOAT_WORD(ix,x); GET_FLOAT_WORD(iy,y); SET_FLOAT_WORD(x,(ix&0x7fffffff)|(iy&0x80000000)); return x; } #ifdef _DOUBLE_IS_32BITS #ifdef __STDC__ double copysign(double x, double y) #else double copysign(x,y) double x,y; #endif { return (double) copysignf((float) x, (float) y); } #endif /* defined(_DOUBLE_IS_32BITS) */
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