5980be9b3c
This work is based in part on code from NetBSD libm, libc and kernel. The library is partly public domain and partly BSD-style licensed.
32 lines
825 B
C
32 lines
825 B
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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#include <sys/cdefs.h>
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#if defined(LIBM_SCCS) && !defined(lint)
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__RCSID("$NetBSD: s_significand.c,v 1.9 2002/05/26 22:01:58 wiz 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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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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}
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