11dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* @(#)s_signif.c 5.1 93/09/24 */
21dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/*
31dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * ====================================================
41dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
51dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project *
61dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Developed at SunPro, a Sun Microsystems, Inc. business.
71dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Permission to use, copy, modify, and distribute this
81dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * software is freely granted, provided that this notice
91dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * is preserved.
101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * ====================================================
111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */
121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project
13a0ee07829a9ba7e99ef68e8c12551301cc797f0fElliott Hughes#include <sys/cdefs.h>
14a0ee07829a9ba7e99ef68e8c12551301cc797f0fElliott Hughes__FBSDID("$FreeBSD$");
151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project
161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/*
171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * significand(x) computes just
181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 	scalb(x, (double) -ilogb(x)),
191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * for exercising the fraction-part(F) IEEE 754-1985 test vector.
201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */
211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project
221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include "math.h"
231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include "math_private.h"
241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project
251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectdouble
261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectsignificand(double x)
271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{
281dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project	return __ieee754_scalb(x,(double) -ilogb(x));
291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project}
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