source: trunk/sys/libm/s_significand.c @ 18

/* @(#)s_significand.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 <libm/fdlibm.h>

#ifdef __STDC__
        double significand(double x)
#else
        double significand(x)
        double x;
#endif
{
        return __ieee754_scalb(x,(double) -ilogb(x));
}