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/*
Copyright (C) 2016 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_dirichlet.h"
#include "acb_poly.h"
int main()
{
slong iter;
flint_rand_t state;
flint_printf("hurwitz_precomp....");
fflush(stdout);
flint_randinit(state);
for (iter = 0; iter < 500 * arb_test_multiplier(); iter++)
{
acb_t s, a, z1, z2;
ulong p, q;
slong prec1, prec2, A, K, N, i;
acb_dirichlet_hurwitz_precomp_t pre;
int deflate;
prec1 = 2 + n_randint(state, 100);
prec2 = 2 + n_randint(state, 100);
A = 1 + n_randint(state, 10);
K = 1 + n_randint(state, 10);
N = 1 + n_randint(state, 10);
deflate = (n_randint(state, 3) == 0);
acb_init(s);
acb_init(a);
acb_init(z1);
acb_init(z2);
acb_randtest(s, state, 1 + n_randint(state, 200), 2);
acb_dirichlet_hurwitz_precomp_init(pre, s, deflate, A, K, N, prec1);
for (i = 0; i < 10; i++)
{
q = 1 + n_randint(state, 1000);
p = 1 + n_randint(state, q);
acb_dirichlet_hurwitz_precomp_eval(z1, pre, p, q, prec1);
acb_set_ui(a, p);
acb_div_ui(a, a, q, prec2);
if (deflate)
_acb_poly_zeta_cpx_series(z2, s, a, 1, 1, prec2);
else
acb_hurwitz_zeta(z2, s, a, prec2);
if (!acb_overlaps(z1, z2))
{
flint_printf("FAIL! (overlap)");
flint_printf("s = "); acb_printn(s, 50, 0); flint_printf("\n\n");
flint_printf("A = %wd K = %wd N = %wd\n\n", A, K, N);
flint_printf("p = %wu q = %wu\n\n", p, q);
flint_printf("z1 = "); acb_printn(z1, 50, 0); flint_printf("\n\n");
flint_printf("z2 = "); acb_printn(z2, 50, 0); flint_printf("\n\n");
flint_abort();
}
}
acb_dirichlet_hurwitz_precomp_clear(pre);
acb_clear(s);
acb_clear(a);
acb_clear(z1);
acb_clear(z2);
}
flint_randclear(state);
flint_cleanup();
flint_printf("PASS\n");
return EXIT_SUCCESS;
}
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