pqc/external/flint-2.4.3/fmpz_poly_mat/test/t-prod.c
2014-05-24 23:16:06 +02:00

95 lines
2.7 KiB
C

/*=============================================================================
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) 2011 Fredrik Johansson
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include "flint.h"
#include "fmpz.h"
#include "fmpz_mat.h"
#include "fmpz_poly.h"
#include "fmpz_poly_mat.h"
int
main(void)
{
slong i;
FLINT_TEST_INIT(state);
flint_printf("prod....");
fflush(stdout);
for (i = 0; i < 50 * flint_test_multiplier(); i++)
{
fmpz_poly_mat_t A, B, *V;
slong m, j, count, bits, deg;
float density;
m = n_randint(state, 6);
deg = 1 + n_randint(state, 6);
bits = 1 + n_randint(state, 100);
count = n_randint(state, 20);
density = n_randint(state, 100) * 0.01;
fmpz_poly_mat_init(A, m, m);
fmpz_poly_mat_init(B, m, m);
V = flint_malloc(sizeof(fmpz_poly_mat_t) * count);
for (j = 0; j < count; j++)
{
fmpz_poly_mat_init(V[j], m, m);
fmpz_poly_mat_randtest_sparse(V[j], state, deg, bits, density);
}
fmpz_poly_mat_prod(A, V, count);
fmpz_poly_mat_one(B);
for (j = 0; j < count; j++)
fmpz_poly_mat_mul(B, B, V[j]);
if (!fmpz_poly_mat_equal(A, B))
{
flint_printf("FAIL:\n");
flint_printf("count = %wd\n", count);
flint_printf("A:\n");
fmpz_poly_mat_print(A, "x");
flint_printf("B:\n");
fmpz_poly_mat_print(B, "x");
abort();
}
fmpz_poly_mat_clear(A);
fmpz_poly_mat_clear(B);
for (j = 0; j < count; j++)
fmpz_poly_mat_clear(V[j]);
flint_free(V);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}