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/*
Copyright (C) 2010 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 "test_helpers.h"
#include "ulong_extras.h"
#include "nmod_mat.h"
TEST_FUNCTION_START(nmod_mat_invert_rows_cols, state)
{
slong m, n, mod, rep;
for (rep = 0; rep < 1000 * flint_test_multiplier(); rep++)
{
nmod_mat_t A, B;
slong i, j;
m = n_randint(state, 10);
n = n_randint(state, 10);
mod = n_randtest_not_zero(state);
nmod_mat_init(A, m, n, mod);
nmod_mat_init(B, m, n, mod);
nmod_mat_randtest(A, state);
nmod_mat_set(B, A);
nmod_mat_invert_rows(A, NULL);
nmod_mat_invert_cols(A, NULL);
for (i = 0; i < A->r; i++)
{
for (j =0; j < A->c; j++)
{
if (nmod_mat_entry(B, i, j) != nmod_mat_entry(A, A->r - i - 1, A->c - j - 1))
TEST_FUNCTION_FAIL(
"B != A\n"
"A = %{nmod_mat}\n"
"B = %{nmod_mat}\n",
A, B);
}
}
nmod_mat_clear(A);
nmod_mat_clear(B);
}
TEST_FUNCTION_END(state);
}