flint-sys 0.9.0

Bindings to the FLINT C library
Documentation 
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
62
63
64
65
66
67
68
69
70
71
72
73
74

/*
    Copyright (C) 2018 Daniel Schultz

    This file is part of FLINT.

    FLINT 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 3 of the License, or
    (at your option) any later version.  See <https://www.gnu.org/licenses/>.
*/

#include "test_helpers.h"
#include "fmpq_mpoly.h"

TEST_FUNCTION_START(fmpq_mpoly_pow_fmpz, state)
{
    int i, j, k, result;

    /* Check against rmul */
    for (i = 0; i < 20 * flint_test_multiplier(); i++)
    {
        fmpq_mpoly_ctx_t ctx;
        fmpq_mpoly_t f, g, h;
        slong len1, len2;
        fmpz_t power;
        flint_bitcnt_t coeff_bits, exp_bits1, exp_bits2;

        fmpq_mpoly_ctx_init_rand(ctx, state, 20);
        fmpq_mpoly_init(f, ctx);
        fmpq_mpoly_init(g, ctx);
        fmpq_mpoly_init(h, ctx);
        fmpz_init(power);

        len1 = n_randint(state, 10);
        len2 = n_randint(state, 10);

        exp_bits1 = n_randint(state, 200) + 2;
        exp_bits2 = n_randint(state, 200) + 2;

        coeff_bits = n_randint(state, 200);

        for (j = 0; j < 10; j++)
        {
            fmpq_mpoly_randtest_bits(f, state, len1, coeff_bits, exp_bits1, ctx);
            fmpq_mpoly_randtest_bits(g, state, len2, coeff_bits, exp_bits2, ctx);
            fmpq_mpoly_randtest_bits(h, state, len2, coeff_bits, exp_bits2, ctx);

            fmpz_set_si(power, j);
            fmpq_mpoly_pow_fmpz(h, f, power, ctx);
            fmpq_mpoly_assert_canonical(h, ctx);

            fmpq_mpoly_one(g, ctx);
            for (k = 0; k < j; k++)
                fmpq_mpoly_mul(g, g, f, ctx);

            result = fmpq_mpoly_equal(h, g, ctx);
            if (!result)
            {
                printf("FAIL\n");
                flint_printf("Check against rmul\ni = %wd, j = %wd\n", i ,j);
                fflush(stdout);
                flint_abort();
            }
        }

        fmpz_clear(power);
        fmpq_mpoly_clear(f, ctx);
        fmpq_mpoly_clear(g, ctx);
        fmpq_mpoly_clear(h, ctx);
        fmpq_mpoly_ctx_clear(ctx);
    }

    TEST_FUNCTION_END(state);
}