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/*
Copyright (C) 2014 Abhinav Baid
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 "fmpz_mat.h"
TEST_FUNCTION_START(fmpz_mat_gram, state)
{
fmpz_mat_t A, B, C, D;
slong i;
for (i = 0; i < 100 * flint_test_multiplier(); i++)
{
slong m, n;
m = n_randint(state, 50);
n = n_randint(state, 50);
fmpz_mat_init(A, m, n);
fmpz_mat_init(B, n, m);
fmpz_mat_init(C, m, m);
fmpz_mat_init(D, m, m);
fmpz_mat_randtest(A, state, n_randint(state, 200) + 1);
fmpz_mat_transpose(B, A);
fmpz_mat_mul(C, A, B);
fmpz_mat_gram(D, A);
if (!fmpz_mat_equal(C, D))
{
flint_printf("FAIL: results not equal\n");
fflush(stdout);
flint_abort();
}
fmpz_mat_clear(A);
fmpz_mat_clear(B);
fmpz_mat_clear(C);
fmpz_mat_clear(D);
}
TEST_FUNCTION_END(state);
}