/*
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 "fmpq.h"
#include "fmpq_mat.h"
int fmpq_mat_is_zero(const fmpq_mat_t mat)
{
slong i, j;
for (i = 0; i < mat->r; i++)
{
for (j = 0; j < mat->c; j++)
{
if (!fmpq_is_zero(fmpq_mat_entry(mat, i, j)))
return 0;
}
}
return 1;
}