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/*
Copyright (C) 2016 William Hart
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_smod, state)
{
int i;
for (i = 0; i < 100 * flint_test_multiplier(); i++)
{
fmpz_mat_t B, A;
slong j, k, rows, cols;
fmpz_t P, c;
rows = n_randint(state, 10);
cols = n_randint(state, 10);
fmpz_mat_init(A, rows, cols);
fmpz_mat_init(B, rows, cols);
fmpz_init(P);
fmpz_init(c);
do {
fmpz_randtest(P, state, 100);
fmpz_abs(P, P);
} while (fmpz_is_zero(P));
fmpz_mat_randtest(A, state, 100);
fmpz_mat_scalar_smod(B, A, P);
for (j = 0; j < A->r; j++)
{
for (k = 0; k < A->c; k++)
{
fmpz_smod(c, A->rows[j] + k, P);
if (!fmpz_equal(c, B->rows[j] + k))
{
flint_printf("FAIL!\n");
flint_printf("%wd, %wd\n", j, k);
fmpz_print(c); flint_printf("\n");
fmpz_print(A->rows[j] + k); flint_printf("\n");
fmpz_print(B->rows[j] + k); flint_printf("\n");
fmpz_print(P); flint_printf("\n");
fflush(stdout);
flint_abort();
}
}
}
fmpz_mat_clear(A);
fmpz_mat_clear(B);
fmpz_clear(P);
fmpz_clear(c);
}
TEST_FUNCTION_END(state);
}