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/*
Copyright (C) 2015 Fredrik Johansson
This file is part of Arb.
Arb 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 <http://www.gnu.org/licenses/>.
*/
#include "acb_poly.h"
int main()
{
slong iter;
flint_rand_t state;
flint_printf("get_unique_fmpz_poly....");
fflush(stdout);
flint_randinit(state);
for (iter = 0; iter < 10000 * arb_test_multiplier(); iter++)
{
slong prec, c;
fmpz_poly_t A, B, C;
acb_poly_t a, b;
fmpz_poly_init(A);
fmpz_poly_init(B);
fmpz_poly_init(C);
acb_poly_init(a);
acb_poly_init(b);
fmpz_poly_randtest(A, state, 1 + n_randint(state, 10), 1 + n_randint(state, 1000));
fmpz_poly_randtest(B, state, 1 + n_randint(state, 10), 1 + n_randint(state, 1000));
fmpz_poly_randtest(C, state, 1 + n_randint(state, 10), 1 + n_randint(state, 1000));
c = 1 + n_randint(state, 1000);
prec = 2 + n_randint(state, 100);
for ( ; ; )
{
acb_poly_set_fmpz_poly(a, A, prec);
acb_poly_set2_fmpz_poly(b, B, C, prec);
acb_poly_scalar_mul_2exp_si(b, b, -c);
acb_poly_add(a, a, b, prec);
acb_poly_sub(a, a, b, prec);
if (acb_poly_get_unique_fmpz_poly(B, a))
{
if (!fmpz_poly_equal(A, B))
{
flint_printf("FAIL\n\n");
flint_printf("A = "); fmpz_poly_print(A); flint_printf("\n\n");
flint_printf("B = "); fmpz_poly_print(B); flint_printf("\n\n");
flint_printf("a = "); acb_poly_printd(a, 15); flint_printf("\n\n");
flint_abort();
}
break;
}
else
{
prec *= 2;
}
}
fmpz_poly_clear(A);
fmpz_poly_clear(B);
fmpz_poly_clear(C);
acb_poly_clear(a);
acb_poly_clear(b);
}
flint_randclear(state);
flint_cleanup();
flint_printf("PASS\n");
return EXIT_SUCCESS;
}
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