genericopenlibs/openenvcore/libm/src/s_significand.c
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 11 Jun 2010 15:26:22 +0300
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/*--------------------------------------------------------------------
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 *© Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
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 *--------------------------------------------------------------------
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*/
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/* @(#)s_signif.c 5.1 93/09/24 */
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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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#ifndef __SYMBIAN32__
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#ifndef lint
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static char rcsid[] = "$FreeBSD: src/lib/msun/src/s_significand.c,v 1.9 2003/07/23 04:53:47 peter Exp $";
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#endif
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#endif //__SYMBIAN32__
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/*
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 * significand(x) computes just
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 * 	scalb(x, (double) -ilogb(x)),
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 * for exercising the fraction-part(F) IEEE 754-1985 test vector.
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 */
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#include <math.h>
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#include "math_private.h"
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EXPORT_C double
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significand(double x)
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{
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	return __ieee754_scalb(x,(double) -ilogb(x));
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}