mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
6bf072eb59
This will allow us to not loose the julia session on error. See also https://github.com/wbhart/flint2/pull/243
131 lines
3.2 KiB
C
131 lines
3.2 KiB
C
/*
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Copyright (C) 2015 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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void
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acb_hypgeom_ei_fallback(acb_t res, const acb_t z, slong prec)
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{
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acb_t t, u;
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acb_init(t);
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acb_init(u);
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acb_zero(t);
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acb_neg(u, z);
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acb_hypgeom_gamma_upper(u, t, u, 0, prec);
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acb_neg(u, u);
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acb_log(t, z, prec);
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acb_mul_2exp_si(t, t, -1);
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acb_add(u, u, t, prec);
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acb_inv(t, z, prec);
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acb_log(t, t, prec);
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acb_mul_2exp_si(t, t, -1);
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acb_sub(u, u, t, prec);
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acb_neg(t, z);
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acb_log(t, t, prec);
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acb_sub(u, u, t, prec);
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acb_swap(res, u);
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acb_clear(t);
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acb_clear(u);
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}
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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("ei....");
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fflush(stdout);
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flint_randinit(state);
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for (iter = 0; iter < 3000 * arb_test_multiplier(); iter++)
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{
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acb_t z0, z1, w0, w1;
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slong prec0, prec1;
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acb_init(z0);
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acb_init(z1);
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acb_init(w0);
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acb_init(w1);
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prec0 = 2 + n_randint(state, 1000);
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prec1 = 2 + n_randint(state, 1000);
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acb_randtest(z0, state, 1 + n_randint(state, 1000), 1 + n_randint(state, 100));
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acb_randtest(w0, state, 1 + n_randint(state, 1000), 1 + n_randint(state, 100));
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acb_randtest(w1, state, 1 + n_randint(state, 1000), 1 + n_randint(state, 100));
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acb_set(z1, z0);
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if (n_randint(state, 2))
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{
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acb_add(z1, z1, w0, prec0);
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acb_sub(z1, z1, w0, prec0);
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}
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switch (n_randint(state, 4))
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{
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case 0:
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acb_hypgeom_ei_2f2(w0, z0, prec0);
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break;
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case 1:
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acb_hypgeom_ei_asymp(w0, z0, prec0);
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break;
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case 2:
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acb_hypgeom_ei(w0, z0, prec0);
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break;
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default:
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acb_hypgeom_ei_fallback(w0, z0, prec0);
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}
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switch (n_randint(state, 4))
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{
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case 0:
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acb_hypgeom_ei_2f2(w1, z1, prec1);
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break;
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case 1:
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acb_hypgeom_ei_asymp(w1, z1, prec1);
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break;
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case 2:
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acb_hypgeom_ei(w1, z1, prec1);
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break;
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default:
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acb_hypgeom_ei_fallback(w1, z1, prec1);
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}
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if (!acb_overlaps(w0, w1))
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{
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flint_printf("FAIL: consistency\n\n");
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flint_printf("z0 = "); acb_printd(z0, 30); flint_printf("\n\n");
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flint_printf("z1 = "); acb_printd(z1, 30); flint_printf("\n\n");
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flint_printf("w0 = "); acb_printd(w0, 30); flint_printf("\n\n");
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flint_printf("w1 = "); acb_printd(w1, 30); flint_printf("\n\n");
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flint_abort();
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}
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acb_clear(z0);
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acb_clear(z1);
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acb_clear(w0);
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acb_clear(w1);
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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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