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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.

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

 */

/*

 * significand(x) computes just

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

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

 */

#include "fdlibm.h"

#ifndef _DOUBLE_IS_32BITS

#ifdef __STDC__

        double significand(double x)

#else

        double significand(x)

        double x;

#endif

{

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

}

#endif /* _DOUBLE_IS_32BITS */