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t-unity_zp_sqr5.c
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t-unity_zp_sqr5.c
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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 2.1 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <gmp.h>
#include "flint.h"
#include "aprcl.h"
int main(void)
{
int i, j;
fmpz_t * t;
FLINT_TEST_INIT(state);
flint_printf("unity_zp_sqr5....");
fflush(stdout);
t = (fmpz_t*) flint_malloc(sizeof(fmpz_t) * (SQUARING_SPACE));
for (i = 0; i < SQUARING_SPACE; i++)
fmpz_init(t[i]);
/* test squaring in Z[\zeta_5] */
for (i = 0; i < 10 * flint_test_multiplier(); i++)
{
ulong p;
fmpz_t n;
unity_zp f, g, temp;
p = 5;
fmpz_init(n);
fmpz_randtest_unsigned(n, state, 200);
while (fmpz_equal_ui(n, 0) != 0)
fmpz_randtest_unsigned(n, state, 200);
unity_zp_init(f, p, 1, n);
unity_zp_init(g, p, 1, n);
unity_zp_init(temp, p, 1, n);
for (j = 0; j < 100; j++)
{
ulong ind;
fmpz_t val;
fmpz_init(val);
ind = n_randint(state, p);
fmpz_randtest_unsigned(val, state, 200);
unity_zp_coeff_set_fmpz(temp, ind, val);
fmpz_clear(val);
}
_unity_zp_reduce_cyclotomic(temp);
unity_zp_sqr5(f, temp, t);
unity_zp_sqr(g, temp);
if (unity_zp_equal(f, g) == 0)
{
flint_printf("FAIL\n");
fflush(stdout);
flint_abort();
}
fmpz_clear(n);
unity_zp_clear(f);
unity_zp_clear(g);
unity_zp_clear(temp);
}
for (i = 0; i < SQUARING_SPACE; i++)
fmpz_clear(t[i]);
flint_free(t);
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}