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/* @(#)s_signif.c 5.1 93/09/24 */

/*

 * ====================================================

 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.

 *

 * Developed at SunPro, a Sun Microsystems, Inc. business.

 * Permission to use, copy, modify, and distribute this

 * software is freely granted, provided that this notice

 * is preserved.

 * ====================================================

 */

#if defined(LIBM_SCCS) && !defined(lint)

static char rcsid[] = "$NetBSD: s_significand.c,v 1.6 1995/05/10 20:48:11 jtc Exp $";

#endif

/*

 * significand(x) computes just

 *      scalb(x, (double) -ilogb(x)),

 * for exercising the fraction-part(F) IEEE 754-1985 test vector.

 */

#include "math.h"

#include "math_private.h"

#ifdef __STDC__

        double significand(double x)

#else

        double significand(x)

        double x;

#endif

{

        return __ieee754_scalb(x,(double) -ilogb(x));

}