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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 "fmpq.h"
#include "fmpq_vec.h"
#include "fmpq_mat.h"
TEST_FUNCTION_START(fmpq_mat_gso, state)
{
int i, result;
for (i = 0; i < 100 * flint_test_multiplier(); i++)
{
fmpq_mat_t A, B, C;
fmpq_t dot;
int j, k;
slong m, n, bits;
m = n_randint(state, 10);
n = n_randint(state, 10);
bits = 1 + n_randint(state, 100);
fmpq_mat_init(A, m, n);
fmpq_mat_init(B, n, m);
fmpq_mat_init(C, n, m);
fmpq_mat_randtest(A, state, bits);
fmpq_mat_transpose(B, A);
fmpq_mat_rref(B, B);
fmpq_mat_gso(A, A);
fmpq_mat_transpose(C, A);
fmpq_init(dot);
for (j = 0; j < n; j++)
{
for (k = j + 1; k < n; k++)
{
if (m)
{
_fmpq_vec_dot(dot, fmpq_mat_entry(C, j, 0), fmpq_mat_entry(C, k, 0), m);
if (!fmpq_is_zero(dot))
{
flint_printf("FAIL:\n");
flint_printf("A:\n");
fmpq_mat_print(A);
fflush(stdout);
flint_abort();
}
}
}
}
fmpq_mat_rref(C, C);
result = fmpq_mat_equal(B, C);
if (!result)
{
flint_printf("FAIL:\n");
flint_printf("B:\n");
fmpq_mat_print(B);
flint_printf("C:\n");
fmpq_mat_print(C);
fflush(stdout);
flint_abort();
}
fmpq_mat_clear(A);
fmpq_mat_clear(B);
fmpq_mat_clear(C);
fmpq_clear(dot);
}
TEST_FUNCTION_END(state);
}