mirror of
https://github.com/vale981/arb
synced 2025-03-05 17:31:38 -05:00
132 lines
3.8 KiB
C
132 lines
3.8 KiB
C
/*
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Copyright (C) 2013 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 "arb_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_fmpq....");
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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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arb_t r, s;
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fmpq_t q;
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slong accuracy, prec, pp, qq;
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prec = 2 + n_randint(state, 1 << n_randint(state, 12));
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prec += 20;
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arb_init(r);
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arb_init(s);
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fmpq_init(q);
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pp = -100 + n_randint(state, 10000);
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qq = 1 + n_randint(state, 20);
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fmpq_set_si(q, pp, qq);
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arb_hypgeom_gamma_fmpq(r, q, prec);
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arb_set_fmpq(s, q, prec);
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arb_hypgeom_gamma(s, s, prec);
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if (!arb_overlaps(r, s))
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{
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flint_printf("FAIL: containment\n\n");
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flint_printf("prec = %wd\n", prec);
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flint_printf("q = "); fmpq_print(q); flint_printf("\n\n");
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flint_printf("r = "); arb_printd(r, prec / 3.33); flint_printf("\n\n");
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flint_printf("s = "); arb_printd(s, prec / 3.33); flint_printf("\n\n");
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flint_abort();
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}
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if (!(fmpz_is_one(fmpq_denref(q)) && fmpz_sgn(fmpq_numref(q)) <= 0)
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&& FLINT_ABS(pp / qq) < 10)
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{
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accuracy = arb_rel_accuracy_bits(r);
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if (accuracy < prec - 6)
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{
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flint_printf("FAIL: poor accuracy\n\n");
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flint_printf("prec = %wd\n", prec);
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flint_printf("q = "); fmpq_print(q); flint_printf("\n\n");
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flint_printf("r = "); arb_printd(r, prec / 3.33); flint_printf("\n\n");
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flint_abort();
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}
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}
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arb_clear(r);
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arb_clear(s);
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fmpq_clear(q);
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}
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for (iter = 0; iter < 50 * arb_test_multiplier(); iter++)
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{
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arb_t r, s;
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fmpq_t q;
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slong accuracy, prec;
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prec = 2 + n_randint(state, 25000);
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arb_init(r);
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arb_init(s);
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fmpq_init(q);
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fmpz_randtest(fmpq_numref(q), state, 3 + n_randlimb(state) % 30);
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fmpz_randtest_not_zero(fmpq_denref(q), state, 3 + n_randlimb(state) % 30);
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fmpq_canonicalise(q);
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arb_hypgeom_gamma_fmpq(r, q, prec);
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arb_set_fmpq(s, q, prec);
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arb_hypgeom_gamma(s, s, prec);
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if (!arb_overlaps(r, s))
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{
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flint_printf("FAIL: containment\n\n");
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flint_printf("prec = %wd\n", prec);
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flint_printf("q = "); fmpq_print(q); flint_printf("\n\n");
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flint_printf("r = "); arb_printd(r, prec / 3.33); flint_printf("\n\n");
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flint_printf("s = "); arb_printd(s, prec / 3.33); flint_printf("\n\n");
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flint_abort();
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}
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if (!(fmpz_is_one(fmpq_denref(q)) && fmpz_sgn(fmpq_numref(q)) <= 0) &&
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fabs(fmpq_get_d(q)) < 10.0)
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{
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accuracy = arb_rel_accuracy_bits(r);
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if (accuracy < prec - 6)
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{
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flint_printf("FAIL: poor accuracy\n\n");
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flint_printf("prec = %wd\n", prec);
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flint_printf("q = "); fmpq_print(q); flint_printf("\n\n");
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flint_printf("r = "); arb_printn(r, prec / 3.33, 0); flint_printf("\n\n");
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flint_printf("s = "); arb_printn(s, prec / 3.33, 0); flint_printf("\n\n");
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flint_abort();
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}
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}
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arb_clear(r);
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arb_clear(s);
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fmpq_clear(q);
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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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