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/*
Copyright (C) 2018 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 "arb_mat.h"
TEST_FUNCTION_START(arb_mat_pascal, state)
{
slong iter;
for (iter = 0; iter < 100 * 0.1 * flint_test_multiplier(); iter++)
{
arb_mat_t A;
fmpz_t t;
slong n, m, i, j, prec;
n = n_randint(state, 10);
m = n_randint(state, 10);
prec = 2 + n_randint(state, 200);
fmpz_init(t);
arb_mat_init(A, n, m);
arb_mat_randtest(A, state, 100, 10);
arb_mat_pascal(A, 0, prec);
for (i = 0; i < n; i++)
{
for (j = 0; j < m; j++)
{
fmpz_bin_uiui(t, i + j, i);
if (!arb_contains_fmpz(arb_mat_entry(A, i, j), t))
{
flint_printf("FAIL: containment (0)\n");
flint_abort();
}
}
}
arb_mat_pascal(A, 1, prec);
for (i = 0; i < n; i++)
{
for (j = 0; j < m; j++)
{
fmpz_bin_uiui(t, j, i);
if (!arb_contains_fmpz(arb_mat_entry(A, i, j), t))
{
flint_printf("FAIL: containment (1)\n");
flint_abort();
}
}
}
arb_mat_pascal(A, -1, prec);
for (i = 0; i < n; i++)
{
for (j = 0; j < m; j++)
{
fmpz_bin_uiui(t, i, j);
if (!arb_contains_fmpz(arb_mat_entry(A, i, j), t))
{
flint_printf("FAIL: containment (-1)\n");
flint_abort();
}
}
}
arb_mat_clear(A);
fmpz_clear(t);
}
TEST_FUNCTION_END(state);
}