mirror of
https://github.com/vale981/arb
synced 2025-03-05 17:31:38 -05:00
62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
/*
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Copyright (C) 2021 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_hypgeom.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("gamma_stirling_sum....");
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fflush(stdout);
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flint_randinit(state);
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for (iter = 0; iter < 10000 * arb_test_multiplier(); iter++)
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{
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acb_t z, s1, s2;
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slong prec, N, K;
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prec = 2 + n_randint(state, 800);
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N = n_randint(state, 200);
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K = n_randint(state, 20);
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acb_init(z);
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acb_init(s1);
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acb_init(s2);
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acb_randtest(z, state, prec, 10 + n_randint(state, 200));
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acb_hypgeom_gamma_stirling_sum_horner(s1, z, N, prec);
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acb_hypgeom_gamma_stirling_sum_improved(s2, z, N, K, prec);
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if (!acb_overlaps(s1, s2))
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{
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flint_printf("FAIL\n\n");
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flint_printf("N = %wd, K = %wd, prec = %wd\n\n", N, K, prec);
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flint_printf("z = "); acb_printn(z, 1000, 0); flint_printf("\n\n");
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flint_printf("s1 = "); acb_printn(s1, 1000, 0); flint_printf("\n\n");
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flint_printf("s2 = "); acb_printn(s2, 1000, 0); flint_printf("\n\n");
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flint_abort();
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}
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acb_clear(z);
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acb_clear(s1);
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acb_clear(s2);
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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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