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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 "fmpz.h"
#include "fmpz_mat.h"
#include "fmpq_mat.h"
slong
fmpq_mat_rref_fraction_free(fmpq_mat_t B, const fmpq_mat_t A)
{
fmpz_mat_t Aclear;
fmpz_t den;
slong rank;
if (fmpq_mat_is_empty(A))
return 0;
fmpz_mat_init(Aclear, A->r, A->c);
fmpq_mat_get_fmpz_mat_rowwise(Aclear, NULL, A);
fmpz_init(den);
rank = fmpz_mat_rref(Aclear, den, Aclear);
if (rank == 0)
fmpq_mat_zero(B);
else
fmpq_mat_set_fmpz_mat_div_fmpz(B, Aclear, den);
fmpz_mat_clear(Aclear);
fmpz_clear(den);
return rank;
}