Blame sysdeps/ieee754/ldbl-128/s_copysignl.c

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/* s_copysignl.c -- long double version of s_copysign.c.
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 * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz.
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 */
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/*
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 * ====================================================
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 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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 *
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 * Developed at SunPro, a Sun Microsystems, Inc. business.
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 * Permission to use, copy, modify, and distribute this
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 * software is freely granted, provided that this notice
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 * is preserved.
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 * ====================================================
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 */
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#if defined(LIBM_SCCS) && !defined(lint)
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static char rcsid[] = "$NetBSD: $";
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#endif
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/*
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 * copysignl(long double x, long double y)
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 * copysignl(x,y) returns a value with the magnitude of x and
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 * with the sign bit of y.
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 */
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#include <math.h>
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#include <math_private.h>
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#include <libm-alias-ldouble.h>
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_Float128 __copysignl(_Float128 x, _Float128 y)
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{
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	uint64_t hx,hy;
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	GET_LDOUBLE_MSW64(hx,x);
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	GET_LDOUBLE_MSW64(hy,y);
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	SET_LDOUBLE_MSW64(x,(hx&0x7fffffffffffffffULL)
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			    |(hy&0x8000000000000000ULL));
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        return x;
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}
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libm_alias_ldouble (__copysign, copysign)