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/*
Copyright (C) 2011 Fredrik Johansson
This file is part of FLINT.
FLINT 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 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/
#include <gmp.h>
#include "longlong.h"
#include "fmpz.h"
flint_bitcnt_t fmpz_val2(const fmpz_t x)
{
fmpz c = *x;
flint_bitcnt_t t;
if (!COEFF_IS_MPZ(c))
{
if (c == 0)
t = 0;
else
t = flint_ctz(FLINT_ABS(c));
}
else
{
ulong *d = (COEFF_TO_PTR(c))->_mp_d;
flint_bitcnt_t u;
t = 0;
while (*d == 0)
{
d++;
t += FLINT_BITS;
}
u = flint_ctz(*d);
t += u;
}
return t;
}