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/*
Copyright (C) 2011 Fredrik Johansson
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_scalar_mul_fmpz, state)
{
int i;
for (i = 0; i < 100 * flint_test_multiplier(); i++)
{
fmpz_mat_t C, B, A;
slong rows, cols;
fmpz_t 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);
fmpz_init(c);
fmpz_randtest(c, state, 100);
fmpz_mat_randtest(A, state, 100);
fmpz_mat_scalar_mul_fmpz(B, A, c);
if (fmpz_is_zero(c))
{
if (!fmpz_mat_is_zero(B))
{
flint_printf("FAIL!\n");
fflush(stdout);
flint_abort();
}
}
else
{
fmpz_mat_scalar_divexact_fmpz(C, B, c);
if (!fmpz_mat_equal(C, A))
{
flint_printf("FAIL!\n");
fflush(stdout);
flint_abort();
}
}
fmpz_mat_clear(A);
fmpz_mat_clear(B);
fmpz_mat_clear(C);
fmpz_clear(c);
}
TEST_FUNCTION_END(state);
}