mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
81 lines
2 KiB
C
81 lines
2 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 "mag.h"
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#include "arb.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_zeta_uiui....");
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fflush(stdout);
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flint_randinit(state);
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for (iter = 0; iter < 1000 * arb_test_multiplier(); iter++)
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{
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mag_t zb;
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slong prec, k;
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ulong s, a;
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arb_t t, r, z;
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mag_init(zb);
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arb_init(t);
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arb_init(r);
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arb_init(z);
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mag_randtest_special(zb, state, 6);
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s = n_randtest(state);
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a = n_randtest(state);
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prec = MAG_BITS + 2 * FLINT_BIT_COUNT(s);
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mag_hurwitz_zeta_uiui(zb, s, a);
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arb_zero(r);
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for (k = 0; k < 50; k++)
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{
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arb_set_ui(t, a);
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arb_add_ui(t, t, k, prec);
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arb_pow_ui(t, t, s, prec);
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arb_inv(t, t, prec);
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arb_add(r, r, t, prec);
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}
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arb_zero(z);
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mag_set(arb_radref(z), zb);
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if (!arb_is_finite(z))
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arb_indeterminate(z);
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if (!arb_contains(z, r))
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{
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flint_printf("FAIL\n\n");
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flint_printf("s = %wu\n\n", s);
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flint_printf("a = %wd\n\n", a);
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flint_printf("zb = "); mag_printd(zb, 15); flint_printf("\n\n");
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flint_printf("z = "); arb_printd(z, 15); flint_printf("\n\n");
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flint_printf("r = "); arb_printd(r, 15); flint_printf("\n\n");
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abort();
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}
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mag_clear(zb);
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arb_clear(t);
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arb_clear(r);
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arb_clear(z);
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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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