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lh9ed821d2023-04-07 01:36:19 -07001/*
2 * ====================================================
3 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
4 *
5 * Developed at SunPro, a Sun Microsystems, Inc. business.
6 * Permission to use, copy, modify, and distribute this
7 * software is freely granted, provided that this notice
8 * is preserved.
9 * ====================================================
10 */
11
12/*
13 * significand(x) computes just
14 * scalb(x, (double) -ilogb(x)),
15 * for exercising the fraction-part(F) IEEE 754-1985 test vector.
16 */
17
18#include "math.h"
19#include "math_private.h"
20
21double significand(double x)
22{
23 return __ieee754_scalb(x,(double) -ilogb(x));
24}