elks-enhanced
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Owner: themaster
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Updated: 2026-04-19 00:15
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elks-enhanced
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libc
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math
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s_copysignf.c
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/* 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 "cdefs-compat.h" //__FBSDID("$FreeBSD: src/lib/msun/src/s_copysignf.c,v 1.10 2008/02/22 02:30:35 das Exp $"); /* * copysignf(float x, float y) * copysignf(x,y) returns a value with the magnitude of x and * with the sign bit of y. */ #include <openlibm_math.h> #include "math_private.h" OLM_DLLEXPORT 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; }
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