mirror of
https://github.com/vale981/arb
synced 2025-03-05 09:21:38 -05:00
89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
/*
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Copyright (C) 2020 D.H.J. Polymath
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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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int main()
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{
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/* Check a specific combination of parameter values that is relatively fast
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* to evaluate and that has relatively tight bounds. */
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slong A, B, K, sigma_grid, Ns_max, sigma_interp;
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arb_t h, H;
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fmpz_t J, T, n;
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arb_ptr pa, pb;
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slong count, i;
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slong maxcount = 50;
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slong prec = 128;
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flint_printf("platt_local_hardy_z_zeros....");
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fflush(stdout);
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arb_init(h);
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arb_init(H);
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fmpz_init(J);
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fmpz_init(T);
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fmpz_init(n);
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pa = _arb_vec_init(maxcount);
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pb = _arb_vec_init(maxcount);
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fmpz_set_si(n, 10142);
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/* parameters related to the location/resolution/width of the grid */
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fmpz_set_si(T, 10000);
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A = 8;
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B = 128;
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/* tuning parameters for the evaluation of grid points */
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fmpz_set_si(J, 1000);
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K = 30;
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sigma_grid = 63;
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arb_set_d(h, 4.5);
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/* tuning parameters for interpolation on the grid */
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Ns_max = 200;
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sigma_interp = 21;
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arb_one(H);
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count = _acb_dirichlet_platt_local_hardy_z_zeros(pa, n, maxcount,
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T, A, B, h, J, K, sigma_grid, Ns_max, H, sigma_interp, prec);
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acb_dirichlet_hardy_z_zeros(pb, n, count, prec);
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if (count != maxcount)
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{
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flint_printf("FAIL: not enough zeros were isolated\n\n");
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flint_printf("count = %wd maxcount = %wd\n\n", count, maxcount);
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flint_abort();
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}
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for (i = 0; i < count; i++)
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{
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if (!arb_overlaps(pa+i, pb+i))
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{
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flint_printf("FAIL: overlap\n\n");
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flint_printf("observed[%wd] = ", i);
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arb_printd(pa+i, 20); flint_printf("\n\n");
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flint_printf("expected[%wd] = ", i);
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arb_printd(pb+i, 20); flint_printf("\n\n");
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flint_abort();
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}
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}
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arb_clear(h);
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arb_clear(H);
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fmpz_clear(J);
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fmpz_clear(T);
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fmpz_clear(n);
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_arb_vec_clear(pa, maxcount);
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_arb_vec_clear(pb, maxcount);
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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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