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/*
Copyright (C) 2013 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("pow_ui_trunc_binexp....");
fflush(stdout);
flint_randinit(state);
/* compare with fmpz_poly */
for (iter = 0; iter < 10000 * arb_test_multiplier(); iter++)
{
slong zbits1, rbits1, rbits2, trunc;
ulong e;
fmpz_poly_t A, B;
acb_poly_t a, b;
zbits1 = 2 + n_randint(state, 100);
rbits1 = 2 + n_randint(state, 200);
rbits2 = 2 + n_randint(state, 200);
e = n_randint(state, 50);
trunc = n_randint(state, 40);
fmpz_poly_init(A);
fmpz_poly_init(B);
acb_poly_init(a);
acb_poly_init(b);
fmpz_poly_randtest(A, state, 1 + n_randint(state, 10), zbits1);
fmpz_poly_pow_trunc(B, A, e, trunc);
acb_poly_set_fmpz_poly(a, A, rbits1);
acb_poly_pow_ui_trunc_binexp(b, a, e, trunc, rbits2);
if (!acb_poly_contains_fmpz_poly(b, B))
{
flint_printf("FAIL\n\n");
flint_printf("bits2 = %wd\n", rbits2);
flint_printf("e = %wu\n", e);
flint_printf("trunc = %wd\n", trunc);
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_printf("b = "); acb_poly_printd(b, 15); flint_printf("\n\n");
flint_abort();
}
acb_poly_pow_ui_trunc_binexp(a, a, e, trunc, rbits2);
if (!acb_poly_equal(a, b))
{
flint_printf("FAIL (aliasing)\n\n");
flint_abort();
}
fmpz_poly_clear(A);
fmpz_poly_clear(B);
acb_poly_clear(a);
acb_poly_clear(b);
}
flint_randclear(state);
flint_cleanup();
flint_printf("PASS\n");
return EXIT_SUCCESS;
}
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