/*
Copyright (C) 2020 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 "ca_mat.h"
truth_t
ca_mat_check_is_zero(const ca_mat_t A, ca_ctx_t ctx)
{
slong i, j;
truth_t res, eq;
res = T_TRUE;
for (i = 0; i < ca_mat_nrows(A); i++)
{
for (j = 0; j < ca_mat_ncols(A); j++)
{
eq = ca_check_is_zero(ca_mat_entry(A, i, j), ctx);
if (eq == T_FALSE)
return T_FALSE;
if (eq == T_UNKNOWN)
res = T_UNKNOWN;
}
}
return res;
}