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/*=============================================================================
This file is part of FLINT.
FLINT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FLINT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2011 Fredrik Johansson
******************************************************************************/
#include <gmp.h>
#include "flint.h"
#include "ulong_extras.h"
#include "fmpz.h"
mp_bitcnt_t fmpz_val2(const fmpz_t x)
{
fmpz c = *x;
mp_bitcnt_t t;
if (!COEFF_IS_MPZ(c))
{
if (c == 0)
t = 0;
else
count_trailing_zeros(t, FLINT_ABS(c));
}
else
{
mp_limb_t *d = (COEFF_TO_PTR(c))->_mp_d;
mp_bitcnt_t u;
t = 0;
while (*d == 0)
{
d++;
t += FLINT_BITS;
}
count_trailing_zeros(u, *d);
t += u;
}
return t;
}
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