/*
 * Copyright (c) 1993 Martin Birgmeier
 * All rights reserved.
 *
 * You may redistribute unmodified or modified versions of this source
 * code provided that the above copyright notice and this and the
 * following conditions are retained.
 *
 * This software is provided ``as is'', and comes with no warranties
 * of any kind. I shall in no event be liable for anything that happens
 * to anyone/anything when using this software.
 */

#include "rand48.h"

double
_erand48_r(struct _rand48 *r, unsigned short xseed[3])
{
    __dorand48(r, xseed);
    return ldexp((double)xseed[0], -48) + ldexp((double)xseed[1], -32)
        + ldexp((double)xseed[2], -16);
}

double
erand48(unsigned short xseed[3])
{
    return _erand48_r(&_rand48, xseed);
}