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
104 lines
3 KiB
C
104 lines
3 KiB
C
/*
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Copyright (C) 2012 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_poly.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("compose_series....");
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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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slong qbits1, qbits2, rbits1, rbits2, rbits3, n;
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fmpq_poly_t A, B, C;
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acb_poly_t a, b, c, d;
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qbits1 = 2 + n_randint(state, 200);
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qbits2 = 2 + n_randint(state, 200);
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rbits1 = 2 + n_randint(state, 200);
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rbits2 = 2 + n_randint(state, 200);
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rbits3 = 2 + n_randint(state, 200);
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n = 2 + n_randint(state, 25);
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fmpq_poly_init(A);
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fmpq_poly_init(B);
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fmpq_poly_init(C);
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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(d);
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fmpq_poly_randtest(A, state, 1 + n_randint(state, 25), qbits1);
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fmpq_poly_randtest(B, state, 1 + n_randint(state, 25), qbits2);
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fmpq_poly_set_coeff_ui(B, 0, 0);
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fmpq_poly_compose_series(C, A, B, n);
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acb_poly_randtest(c, state, 1 + n_randint(state, 20), rbits1, 4);
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acb_poly_set_fmpq_poly(a, A, rbits1);
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acb_poly_set_fmpq_poly(b, B, rbits2);
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acb_poly_compose_series(c, a, b, n, rbits3);
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if (!acb_poly_contains_fmpq_poly(c, C))
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{
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flint_printf("FAIL\n\n");
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flint_printf("n = %wd, bits3 = %wd\n", n, rbits3);
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flint_printf("A = "); fmpq_poly_print(A); flint_printf("\n\n");
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flint_printf("B = "); fmpq_poly_print(B); flint_printf("\n\n");
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flint_printf("C = "); fmpq_poly_print(C); 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("c = "); acb_poly_printd(c, 15); flint_printf("\n\n");
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flint_abort();
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}
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acb_poly_set(d, a);
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acb_poly_compose_series(d, d, b, n, rbits3);
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if (!acb_poly_equal(d, c))
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{
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flint_printf("FAIL (aliasing 1)\n\n");
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flint_abort();
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}
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acb_poly_set(d, b);
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acb_poly_compose_series(d, a, d, n, rbits3);
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if (!acb_poly_equal(d, c))
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{
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flint_printf("FAIL (aliasing 2)\n\n");
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flint_abort();
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}
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fmpq_poly_clear(A);
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fmpq_poly_clear(B);
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fmpq_poly_clear(C);
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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(d);
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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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