mirror of
https://github.com/vale981/arb
synced 2025-03-04 17:01:40 -05:00
88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
/*
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Copyright (C) 2016 Fredrik Johansson
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This file is part of Arb.
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Arb is free software: you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version. See <http://www.gnu.org/licenses/>.
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*/
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#include "acb_dirichlet.h"
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#include "acb_poly.h"
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int main()
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{
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slong iter;
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flint_rand_t state;
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flint_printf("hurwitz_precomp....");
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fflush(stdout);
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flint_randinit(state);
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for (iter = 0; iter < 500 * arb_test_multiplier(); iter++)
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{
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acb_t s, a, z1, z2;
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ulong p, q;
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slong prec1, prec2, A, K, N, i;
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acb_dirichlet_hurwitz_precomp_t pre;
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int deflate;
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prec1 = 2 + n_randint(state, 100);
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prec2 = 2 + n_randint(state, 100);
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A = 1 + n_randint(state, 10);
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K = 1 + n_randint(state, 10);
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N = 1 + n_randint(state, 10);
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deflate = (n_randint(state, 3) == 0);
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acb_init(s);
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acb_init(a);
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acb_init(z1);
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acb_init(z2);
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acb_randtest(s, state, 1 + n_randint(state, 200), 2);
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acb_dirichlet_hurwitz_precomp_init(pre, s, deflate, A, K, N, prec1);
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for (i = 0; i < 10; i++)
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{
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q = 1 + n_randint(state, 1000);
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p = 1 + n_randint(state, q);
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acb_dirichlet_hurwitz_precomp_eval(z1, pre, p, q, prec1);
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acb_set_ui(a, p);
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acb_div_ui(a, a, q, prec2);
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if (deflate)
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_acb_poly_zeta_cpx_series(z2, s, a, 1, 1, prec2);
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else
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acb_hurwitz_zeta(z2, s, a, prec2);
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if (!acb_overlaps(z1, z2))
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{
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flint_printf("FAIL! (overlap)");
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flint_printf("s = "); acb_printn(s, 50, 0); flint_printf("\n\n");
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flint_printf("A = %wd K = %wd N = %wd\n\n", A, K, N);
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flint_printf("p = %wu q = %wu\n\n", p, q);
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flint_printf("z1 = "); acb_printn(z1, 50, 0); flint_printf("\n\n");
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flint_printf("z2 = "); acb_printn(z2, 50, 0); flint_printf("\n\n");
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flint_abort();
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}
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}
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acb_dirichlet_hurwitz_precomp_clear(pre);
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acb_clear(s);
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acb_clear(a);
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acb_clear(z1);
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acb_clear(z2);
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}
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flint_randclear(state);
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flint_cleanup();
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flint_printf("PASS\n");
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return EXIT_SUCCESS;
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}
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