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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 Sebastian Pancratz
******************************************************************************/
#include <gmp.h>
#include "flint.h"
#include "ulong_extras.h"
#include "fmpz.h"
int fmpz_divisible(const fmpz_t x, const fmpz_t p)
{
fmpz y = *x;
fmpz q = *p;
if (y == WORD(0))
{
return 1;
}
if (!COEFF_IS_MPZ(y))
{
if (!COEFF_IS_MPZ(q))
{
return !(y % q);
}
else
{
return 0;
}
}
else
{
if (!COEFF_IS_MPZ(q))
{
return flint_mpz_divisible_ui_p(COEFF_TO_PTR(y), q);
}
else
{
return mpz_divisible_p(COEFF_TO_PTR(y), COEFF_TO_PTR(q));
}
}
}
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