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/*
Copyright (C) 2013 Fredrik Johansson
Copyright (C) 2013, 2014 William Hart
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 "nf_elem.h"
void nf_elem_init(nf_elem_t a, const nf_t nf)
{
if (nf->flag & NF_LINEAR)
{
fmpz_init(LNF_ELEM_NUMREF(a));
fmpz_init(LNF_ELEM_DENREF(a));
fmpz_one(LNF_ELEM_DENREF(a));
} else if (nf->flag & NF_QUADRATIC)
{
fmpz * const anum = QNF_ELEM_NUMREF(a);
fmpz * const aden = QNF_ELEM_DENREF(a);
fmpz_init(anum);
fmpz_init(anum + 1);
fmpz_init(anum + 2);
fmpz_init(aden);
fmpz_one(aden);
}
else
{
fmpq_poly_init2(NF_ELEM(a), FLINT_MAX(2*nf->pol->length - 3, 0));
}
}