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

94 lines
2.4 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 <gmp.h>
#include "flint.h"
#include "fmpz.h"
#include "fmpz_mat.h"
#include "nmod_mat.h"
#include "ulong_extras.h"
#include "long_extras.h"
int
main(void)
{
int i;
FLINT_TEST_INIT(state);
flint_printf("scalar_mul/divexact_si....");
fflush(stdout);
for (i = 0; i < 100 * flint_test_multiplier(); i++)
{
fmpz_mat_t C, B, A;
slong rows, cols;
slong c;
rows = n_randint(state, 10);
cols = n_randint(state, 10);
fmpz_mat_init(A, rows, cols);
fmpz_mat_init(B, rows, cols);
fmpz_mat_init(C, rows, cols);
c = z_randtest(state);
fmpz_mat_randtest(A, state, 100);
fmpz_mat_scalar_mul_si(B, A, c);
if (c == 0)
{
if (!fmpz_mat_is_zero(B))
{
flint_printf("FAIL!\n");
abort();
}
}
else
{
fmpz_mat_scalar_divexact_si(C, B, c);
if (!fmpz_mat_equal(C, A))
{
flint_printf("FAIL!\n");
abort();
}
}
fmpz_mat_clear(A);
fmpz_mat_clear(B);
fmpz_mat_clear(C);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}