pqc/external/flint-2.4.3/nmod_mat/test/t-transpose.c

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2014-05-18 22:03:37 +00:00
/*=============================================================================
This file is part of FLINT.
FLINT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FLINT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2010 Fredrik Johansson
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <gmp.h>
#include "flint.h"
#include "nmod_mat.h"
#include "ulong_extras.h"
int
main(void)
{
slong m, n, mod, mod2, rep;
FLINT_TEST_INIT(state);
flint_printf("transpose....");
fflush(stdout);
/* Rectangular transpose, same modulus */
for (rep = 0; rep < 100 * flint_test_multiplier(); rep++)
{
nmod_mat_t A, B, C;
m = n_randint(state, 20);
n = n_randint(state, 20);
mod = n_randtest_not_zero(state);
nmod_mat_init(A, m, n, mod);
nmod_mat_init(B, n, m, mod);
nmod_mat_init(C, m, n, mod);
nmod_mat_randtest(A, state);
nmod_mat_randtest(B, state);
nmod_mat_transpose(B, A);
nmod_mat_transpose(C, B);
if (!nmod_mat_equal(C, A))
{
flint_printf("FAIL: C != A\n");
abort();
}
nmod_mat_clear(A);
nmod_mat_clear(B);
nmod_mat_clear(C);
}
/* Rectangular transpose, different modulus */
for (rep = 0; rep < 100 * flint_test_multiplier(); rep++)
{
nmod_mat_t A, AT, B, BT, AT2;
m = n_randint(state, 20);
n = n_randint(state, 20);
mod = n_randtest_not_zero(state);
mod2 = n_randtest_not_zero(state);
nmod_mat_init(A, m, n, mod);
nmod_mat_init(AT, n, m, mod);
nmod_mat_init(B, m, n, mod2);
nmod_mat_init(BT, n, m, mod2);
nmod_mat_init(AT2, n, m, mod2);
nmod_mat_randtest(A, state);
nmod_mat_set(B, A);
nmod_mat_transpose(AT, A);
nmod_mat_transpose(BT, B);
nmod_mat_set(AT2, AT);
if (!nmod_mat_equal(BT, AT2))
{
flint_printf("FAIL: AT != BT\n");
abort();
}
nmod_mat_clear(A);
nmod_mat_clear(AT);
nmod_mat_clear(AT2);
nmod_mat_clear(B);
nmod_mat_clear(BT);
}
/* Self-transpose */
for (rep = 0; rep < 100 * flint_test_multiplier(); rep++)
{
nmod_mat_t A, B;
m = n_randint(state, 20);
mod = n_randtest_not_zero(state);
nmod_mat_init(A, m, m, mod);
nmod_mat_init(B, m, m, mod);
nmod_mat_randtest(A, state);
nmod_mat_set(B, A);
nmod_mat_transpose(B, B);
nmod_mat_transpose(B, B);
if (!nmod_mat_equal(B, A))
{
flint_printf("FAIL: B != A\n");
abort();
}
nmod_mat_clear(A);
nmod_mat_clear(B);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}