File: t-evaluate_rectangular.c

package info (click to toggle)
flint-arb 1%3A2.19.0-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 13,028 kB
  • sloc: ansic: 177,109; sh: 553; makefile: 288; python: 268
file content (61 lines) | stat: -rw-r--r-- 1,715 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
/*
    Copyright (C) 2012, 2013 Fredrik Johansson

    This file is part of Arb.

    Arb is free software: you can redistribute it and/or modify it under
    the terms of the GNU Lesser General Public License (LGPL) as published
    by the Free Software Foundation; either version 2.1 of the License, or
    (at your option) any later version.  See <http://www.gnu.org/licenses/>.
*/

#include "acb_poly.h"

int main()
{
    slong iter;
    flint_rand_t state;

    flint_printf("evaluate_rectangular....");
    fflush(stdout);

    flint_randinit(state);

    for (iter = 0; iter < 10000 * arb_test_multiplier(); iter++)
    {
        acb_poly_t f;
        acb_t x, y1, y2;

        acb_init(x);
        acb_init(y1);
        acb_init(y2);
        acb_poly_init(f);

        acb_randtest(x, state, 2 + n_randint(state, 1000), 5);
        acb_poly_randtest(f, state, 2 + n_randint(state, 100), 2 + n_randint(state, 1000), 5);

        acb_poly_evaluate_rectangular(y1, f, x, 2 + n_randint(state, 1000));
        acb_poly_evaluate_horner(y2, f, x, 2 + n_randint(state, 1000));

        if (!acb_overlaps(y1, y2))
        {
            flint_printf("FAIL\n\n");
            flint_printf("f = "); acb_poly_printd(f, 15); flint_printf("\n\n");
            flint_printf("x = "); acb_printd(x, 15); flint_printf("\n\n");
            flint_printf("y1 = "); acb_printd(y1, 15); flint_printf("\n\n");
            flint_printf("y2 = "); acb_printd(y2, 15); flint_printf("\n\n");
            flint_abort();
        }

        acb_poly_clear(f);
        acb_clear(x);
        acb_clear(y1);
        acb_clear(y2);
    }

    flint_randclear(state);
    flint_cleanup();
    flint_printf("PASS\n");
    return EXIT_SUCCESS;
}