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40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
/* @(#)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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#if defined(LIBM_SCCS) && !defined(lint)
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static char rcsid[] = "$NetBSD: s_significand.c,v 1.6 1995/05/10 20:48:11 jtc Exp $";
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#endif
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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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#ifdef __STDC__
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double __significand(double x)
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#else
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double __significand(x)
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double x;
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#endif
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{
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return __ieee754_scalb(x,(double) -__ilogb(x));
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}
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weak_alias (__significand, significand)
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#ifdef NO_LONG_DOUBLE
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strong_alias (__significand, __significandl)
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weak_alias (__significand, significandl)
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#endif
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