/*
    Copyright (C) 2012 Fredrik Johansson

    This file is part of Arb.

    Arb is free software: you can redistribute it and/or modify it under
    the terms of the GNU Lesser General Public License (LGPL) as published
    by the Free Software Foundation; either version 2.1 of the License, or
    (at your option) any later version.  See <http://www.gnu.org/licenses/>.
*/

#include "fmpr.h"

double
fmpr_get_d(const fmpr_t x, fmpr_rnd_t rnd)
{
    double r;
    mpfr_rnd_t mrnd;
    mpfr_t t;
    mp_limb_t tmp[2];

    if (fmpr_is_zero(x))
        return 0.0;

    mrnd = rnd_to_mpfr(rnd);

    t->_mpfr_prec = 53;
    t->_mpfr_sign = 1;
    t->_mpfr_exp = 0;
    t->_mpfr_d = tmp;

    fmpr_get_mpfr(t, x, mrnd);
    r = mpfr_get_d(t, mrnd);

    return r;
}