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/*
Copyright (C) 2015 Vladimir Glazachev
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 "ulong_extras.h"
#include "nmod_vec.h"
#include "aprcl.h"
TEST_FUNCTION_START(aprcl_f_table, state)
{
int i, j;
for (i = 0; i < 10 * flint_test_multiplier(); i++)
{
ulong len, q, p, g;
nn_ptr table;
len = n_randint(state, 16);
while (len < 2)
len = n_randint(state, 16);
q = n_randprime(state, len, 1);
g = n_primitive_root_prime(q);
p = q - 2;
table = aprcl_f_table(q);
for (j = 1; j <= p; j++)
{
ulong g_powx, g_powfx;
g_powx = n_powmod(g, j, q);
g_powfx = n_powmod(g, table[j], q);
if (n_submod(1, g_powx, q) != g_powfx)
{
flint_printf("FAIL:\n");
flint_printf("1 - %wu != %wu mod %wu\n", g_powx, g_powfx, q);
fflush(stdout);
flint_abort();
}
}
_nmod_vec_clear(table);
}
TEST_FUNCTION_END(state);
}