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25 lines
660 B
C
25 lines
660 B
C
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/* @(#)s_significand.c 1.3 95/01/18 */
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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 SunSoft, 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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/*
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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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double significand(double x) {
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return __fdlibm_scalb(x, (double)-ilogb(x));
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}
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