mirror of
https://github.com/vale981/arb
synced 2025-03-04 17:01:40 -05:00
6bf072eb59
This will allow us to not loose the julia session on error. See also https://github.com/wbhart/flint2/pull/243
96 lines
2.8 KiB
C
96 lines
2.8 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 "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("li_series....");
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fflush(stdout);
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flint_randinit(state);
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for (iter = 0; iter < 200 * arb_test_multiplier(); iter++)
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{
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slong m, n1, n2, n3, bits1, bits2, bits3;
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acb_poly_t S, A, B, C, T, U;
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int offset;
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bits1 = 2 + n_randint(state, 200);
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bits2 = 2 + n_randint(state, 200);
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bits3 = 2 + n_randint(state, 200);
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m = 1 + n_randint(state, 10);
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n1 = 1 + n_randint(state, 10);
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n2 = 1 + n_randint(state, 10);
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n3 = FLINT_MIN(n1, n2);
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offset = n_randint(state, 2);
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acb_poly_init(S);
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acb_poly_init(A);
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acb_poly_init(B);
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acb_poly_init(C);
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acb_poly_init(T);
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acb_poly_init(U);
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acb_poly_randtest(S, state, m, bits1, 3);
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acb_poly_randtest(A, state, m, bits1, 3);
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acb_poly_randtest(B, state, m, bits1, 3);
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acb_hypgeom_li_series(A, S, offset, n1, bits2);
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acb_hypgeom_li_series(B, S, offset, n2, bits3);
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acb_poly_set(C, A);
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acb_poly_truncate(C, n3);
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acb_poly_truncate(B, n3);
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/* [li(h(x))]' log(h(x)) = h'(x) */
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acb_poly_derivative(T, A, bits2);
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acb_poly_log_series(U, S, n3, bits2);
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acb_poly_mullow(T, T, U, FLINT_MAX(0, n3 - 1), bits2);
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acb_poly_derivative(U, S, bits2);
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acb_poly_truncate(U, FLINT_MAX(0, n3 - 1));
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if (!acb_poly_overlaps(B, C) || !acb_poly_overlaps(T, U))
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{
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flint_printf("FAIL\n\n");
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flint_printf("S = "); acb_poly_printd(S, 15); flint_printf("\n\n");
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flint_printf("A = "); acb_poly_printd(A, 15); flint_printf("\n\n");
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flint_printf("B = "); acb_poly_printd(B, 15); flint_printf("\n\n");
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flint_printf("T = "); acb_poly_printd(T, 15); flint_printf("\n\n");
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flint_printf("U = "); acb_poly_printd(U, 15); flint_printf("\n\n");
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flint_abort();
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}
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acb_hypgeom_li_series(S, S, offset, n1, bits2);
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if (!acb_poly_overlaps(A, S))
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{
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flint_printf("FAIL (aliasing)\n\n");
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flint_abort();
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}
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acb_poly_clear(S);
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acb_poly_clear(A);
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acb_poly_clear(B);
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acb_poly_clear(C);
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acb_poly_clear(T);
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acb_poly_clear(U);
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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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