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/*
Copyright (C) 2010 William Hart
Copyright (C) 2011 Fredrik Johansson
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.h"
#include "fmpz_mat.h"
TEST_FUNCTION_START(fmpz_mat_get_d_mat_transpose, state)
{
int i;
/* set entries of an fmpz_mat, convert to d_mat and then check that
the entries remain same */
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
{
fmpz_mat_t A;
d_mat_t B;
slong j, k;
slong rows = n_randint(state, 10);
slong cols = n_randint(state, 10);
fmpz_mat_init(A, rows, cols);
d_mat_init(B, cols, rows);
for (j = 0; j < rows; j++)
{
for (k = 0; k < cols; k++)
{
fmpz_set_ui(fmpz_mat_entry(A, j, k), 3 * j + 7 * k);
}
}
fmpz_mat_get_d_mat_transpose(B, A);
for (j = 0; j < rows; j++)
{
for (k = 0; k < cols; k++)
{
if (d_mat_entry(B, k, j) != 3 * j + 7 * k)
{
flint_printf("FAIL: j = %wd, k = %wd\n", j, k);
fmpz_mat_print_pretty(A);
d_mat_print(B);
fflush(stdout);
flint_abort();
}
}
}
fmpz_mat_clear(A);
d_mat_clear(B);
}
TEST_FUNCTION_END(state);
}