mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
110 lines
3.2 KiB
C
110 lines
3.2 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 "flint/arith.h"
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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("rising2_ui_rs....");
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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 a, u, v, u2, v2;
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fmpz *f;
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acb_ptr g;
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ulong n;
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slong i, prec;
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acb_init(a);
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acb_init(u);
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acb_init(v);
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acb_init(u2);
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acb_init(v2);
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acb_randtest(a, state, 1 + n_randint(state, 4000), 10);
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acb_randtest(u, state, 1 + n_randint(state, 4000), 10);
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acb_randtest(v, state, 1 + n_randint(state, 4000), 10);
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n = n_randint(state, 120);
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f = _fmpz_vec_init(n + 1);
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g = _acb_vec_init(n + 1);
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prec = 2 + n_randint(state, 4000);
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acb_rising2_ui_rs(u, v, a, n, 0, prec);
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arith_stirling_number_1u_vec(f, n, n + 1);
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for (i = 0; i <= n; i++)
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acb_set_fmpz(g + i, f + i);
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_acb_poly_evaluate(u2, g, n + 1, a, prec);
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_acb_poly_derivative(g, g, n + 1, prec);
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_acb_poly_evaluate(v2, g, n, a, prec);
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if (!acb_overlaps(u, u2) || !acb_overlaps(v, v2))
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{
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flint_printf("FAIL: overlap\n\n");
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flint_printf("n = %wu\n", n);
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flint_printf("a = "); acb_printd(a, 15); flint_printf("\n\n");
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flint_printf("u = "); acb_printd(u, 15); flint_printf("\n\n");
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flint_printf("u2 = "); acb_printd(u2, 15); flint_printf("\n\n");
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flint_printf("v = "); acb_printd(v, 15); flint_printf("\n\n");
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flint_printf("v2 = "); acb_printd(v2, 15); flint_printf("\n\n");
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abort();
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}
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acb_set(u2, a);
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acb_rising2_ui_rs(u2, v, u2, n, 0, prec);
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if (!acb_equal(u2, u))
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{
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flint_printf("FAIL: aliasing 1\n\n");
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flint_printf("a = "); acb_printd(a, 15); flint_printf("\n\n");
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flint_printf("u = "); acb_printd(u, 15); flint_printf("\n\n");
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flint_printf("u2 = "); acb_printd(u2, 15); flint_printf("\n\n");
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flint_printf("n = %wu\n", n);
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abort();
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}
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acb_set(v2, a);
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acb_rising2_ui_rs(u, v2, v2, n, 0, prec);
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if (!acb_equal(v2, v))
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{
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flint_printf("FAIL: aliasing 2\n\n");
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flint_printf("a = "); acb_printd(a, 15); flint_printf("\n\n");
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flint_printf("v = "); acb_printd(v, 15); flint_printf("\n\n");
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flint_printf("v2 = "); acb_printd(v2, 15); flint_printf("\n\n");
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flint_printf("n = %wu\n", n);
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abort();
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}
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acb_clear(a);
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acb_clear(u);
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acb_clear(v);
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acb_clear(u2);
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acb_clear(v2);
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_fmpz_vec_clear(f, n + 1);
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_acb_vec_clear(g, n + 1);
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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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