mirror of
https://github.com/vale981/arb
synced 2025-03-06 01:41:39 -05:00
111 lines
3.5 KiB
C
111 lines
3.5 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 "arb_fmpz_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("evaluate_arb....");
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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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fmpz_poly_t f, g, h;
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arb_t x, fx, gx, hx, fxgx;
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slong prec1, prec2, prec3;
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fmpz_poly_init(f);
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fmpz_poly_init(g);
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fmpz_poly_init(h);
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arb_init(x);
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arb_init(fx);
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arb_init(gx);
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arb_init(hx);
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arb_init(fxgx);
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fmpz_poly_randtest(f, state, 1 + n_randint(state, 50), 1 + n_randint(state, 1000));
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fmpz_poly_randtest(g, state, 1 + n_randint(state, 50), 1 + n_randint(state, 1000));
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fmpz_poly_add(h, f, g);
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arb_randtest(x, state, 1 + n_randint(state, 2000), 1 + n_randint(state, 100));
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arb_randtest(fx, state, 1 + n_randint(state, 2000), 1 + n_randint(state, 100));
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arb_randtest(gx, state, 1 + n_randint(state, 2000), 1 + n_randint(state, 100));
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arb_randtest(hx, state, 1 + n_randint(state, 2000), 1 + n_randint(state, 100));
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arb_randtest(fxgx, state, 1 + n_randint(state, 2000), 1 + n_randint(state, 100));
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prec1 = 2 + n_randint(state, 2000);
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prec2 = 2 + n_randint(state, 2000);
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prec3 = 2 + n_randint(state, 2000);
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switch (n_randint(state, 6))
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{
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case 0:
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arb_fmpz_poly_evaluate_arb_horner(fx, f, x, prec1);
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break;
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case 1:
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arb_fmpz_poly_evaluate_arb_rectangular(fx, f, x, prec1);
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break;
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case 2:
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arb_fmpz_poly_evaluate_arb(fx, f, x, prec1);
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break;
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case 3:
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arb_set(fx, x);
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arb_fmpz_poly_evaluate_arb_horner(fx, f, fx, prec1);
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break;
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case 4:
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arb_set(fx, x);
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arb_fmpz_poly_evaluate_arb_rectangular(fx, f, fx, prec1);
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break;
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default:
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arb_set(fx, x);
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arb_fmpz_poly_evaluate_arb(fx, f, fx, prec1);
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break;
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}
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arb_fmpz_poly_evaluate_arb(gx, g, x, prec2);
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arb_fmpz_poly_evaluate_arb(hx, h, x, prec3);
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arb_add(fxgx, fx, gx, prec3);
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if (!arb_overlaps(fxgx, hx))
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{
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flint_printf("FAIL\n");
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fmpz_poly_print(f); flint_printf("\n\n");
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fmpz_poly_print(g); flint_printf("\n\n");
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fmpz_poly_print(h); flint_printf("\n\n");
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arb_printd(x, 30); flint_printf("\n\n");
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arb_printd(fx, 30); flint_printf("\n\n");
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arb_printd(gx, 30); flint_printf("\n\n");
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arb_printd(hx, 30); flint_printf("\n\n");
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arb_printd(fxgx, 30); flint_printf("\n\n");
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flint_abort();
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}
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fmpz_poly_clear(f);
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fmpz_poly_clear(g);
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fmpz_poly_clear(h);
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arb_clear(x);
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arb_clear(fx);
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arb_clear(gx);
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arb_clear(hx);
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arb_clear(fxgx);
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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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