1/* @(#)s_signif.c 5.1 93/09/24 */
2/*
3 * ====================================================
4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
5 *
6 * Developed at SunPro, a Sun Microsystems, Inc. business.
7 * Permission to use, copy, modify, and distribute this
8 * software is freely granted, provided that this notice
9 * is preserved.
10 * ====================================================
11 */
12
13#if defined(LIBM_SCCS) && !defined(lint)
14static char rcsid[] = "$NetBSD: s_significand.c,v 1.6 1995/05/10 20:48:11 jtc Exp $";
15#endif
16
17/*
18 * significand(x) computes just
19 * scalb(x, (double) -ilogb(x)),
20 * for exercising the fraction-part(F) IEEE 754-1985 test vector.
21 */
22
23#include <math.h>
24#include <math_private.h>
25
26double __significand(double x)
27{
28 return __ieee754_scalb(x,(double) -__ilogb(x));
29}
30weak_alias (__significand, significand)
31#ifdef NO_LONG_DOUBLE
32strong_alias (__significand, __significandl)
33weak_alias (__significand, significandl)
34#endif
35