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/*
Copyright (C) 2011 Sebastian Pancratz
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 "fmpz_vec.h"
#include "padic_poly.h"
void _padic_poly_canonicalise(fmpz *poly, slong *v, slong len, const fmpz_t p)
{
const slong min = _fmpz_vec_ord_p(poly, len, p);
if (min == 0)
{
if (_fmpz_vec_is_zero(poly, len))
*v = 0;
}
else /* min > 0 */
{
fmpz_t pow;
fmpz_init(pow);
fmpz_pow_ui(pow, p, min);
_fmpz_vec_scalar_divexact_fmpz(poly, poly, len, pow);
fmpz_clear(pow);
*v += min;
}
}
void padic_poly_canonicalise(padic_poly_t poly, const fmpz_t p)
{
_padic_poly_canonicalise(poly->coeffs, &(poly->val), poly->length, p);
}