mirror of
https://github.com/vale981/arb
synced 2025-03-06 01:41:39 -05:00
6bf072eb59
This will allow us to not loose the julia session on error. See also https://github.com/wbhart/flint2/pull/243
82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
/*
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Copyright (C) 2017 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_elliptic.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("invariants....");
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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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acb_t tau, e1, e2, e3, g2, g3, h2, h3;
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slong prec;
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acb_init(tau);
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acb_init(e1);
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acb_init(e2);
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acb_init(e3);
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acb_init(g2);
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acb_init(g3);
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acb_init(h2);
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acb_init(h3);
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prec = 2 + n_randint(state, 400);
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acb_randtest(tau, state, 1 + n_randint(state, 200), 1 + n_randint(state, 10));
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if (arf_sgn(arb_midref(acb_imagref(tau))) < 0)
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acb_neg(tau, tau);
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acb_elliptic_roots(e1, e2, e3, tau, prec);
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acb_elliptic_invariants(g2, g3, tau, prec);
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acb_mul(h2, e1, e1, prec);
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acb_addmul(h2, e2, e2, prec);
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acb_addmul(h2, e3, e3, prec);
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acb_mul_2exp_si(h2, h2, 1);
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acb_mul(h3, e1, e2, prec);
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acb_mul(h3, h3, e3, prec);
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acb_mul_2exp_si(h3, h3, 2);
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if (!acb_overlaps(g2, h2) || !acb_overlaps(g3, h3))
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{
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flint_printf("FAIL (overlap)\n");
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flint_printf("tau = "); acb_printd(tau, 30); flint_printf("\n\n");
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flint_printf("g2 = "); acb_printd(g2, 30); flint_printf("\n\n");
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flint_printf("g3 = "); acb_printd(g3, 30); flint_printf("\n\n");
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flint_printf("h2 = "); acb_printd(h2, 30); flint_printf("\n\n");
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flint_printf("h3 = "); acb_printd(h3, 30); flint_printf("\n\n");
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flint_abort();
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}
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acb_clear(tau);
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acb_clear(e1);
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acb_clear(e2);
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acb_clear(e3);
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acb_clear(g2);
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acb_clear(g3);
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acb_clear(h2);
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acb_clear(h3);
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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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