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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98

/*
    Copyright (C) 2009 William Hart
    Copyright (C) 2013 Andres Goens
    Copyright (C) 2013 Mike Hansen

    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/>.
*/

#ifdef T

#include "test_helpers.h"
#include "templates.h"
#include "long_extras.h"
#include "fmpz_poly.h"

TEST_TEMPLATE_FUNCTION_START(T, mul_si, state)
{
    int i, result;

    /* Check aliasing of a, b */
    for (i = 0; i < 200 * flint_test_multiplier(); i++)
    {
        TEMPLATE(T, ctx_t) ctx;
        slong x;
        TEMPLATE(T, t) a, b;

        TEMPLATE(T, ctx_init_randtest)(ctx, state, 0);

        TEMPLATE(T, init)(a, ctx);
        TEMPLATE(T, init)(b, ctx);

        TEMPLATE(T, randtest)(a, state, ctx);
        x = z_randtest(state);
        TEMPLATE(T, mul_si)(b, a, x, ctx);
        TEMPLATE(T, mul_si)(a, a, x, ctx);

        result = (TEMPLATE(T, equal)(a, b, ctx));
        if (!result)
        {
            flint_printf("FAIL:\n\n");
            flint_printf("a = "), TEMPLATE(T, print_pretty)(a, ctx), flint_printf("\n");
            flint_printf("b = "), TEMPLATE(T, print_pretty)(b, ctx), flint_printf("\n");
            flint_printf("x = %wd\n",x);
            fflush(stdout);
            flint_abort();
        }

        TEMPLATE(T, clear)(a, ctx);
        TEMPLATE(T, clear)(b, ctx);

        TEMPLATE(T, ctx_clear)(ctx);
    }

    /* compare with direct multiplication */
    for (i = 0; i < 200 * flint_test_multiplier(); i++)
    {
        TEMPLATE(T, ctx_t) ctx;
        slong x;
        TEMPLATE(T, t) a, c;
        fmpz_poly_t b;

        TEMPLATE(T, ctx_init_randtest)(ctx, state, 0);

        TEMPLATE(T, init)(a, ctx);
        TEMPLATE(T, init)(c, ctx);
        fmpz_poly_init(b);

        TEMPLATE(T, randtest)(a, state, ctx);
        x = z_randtest(state);
        TEMPLATE(T, mul_si)(c, a, x, ctx);
        fmpz_poly_scalar_mul_si(b,a,x);
        TEMPLATE(T, reduce)(b,ctx);

        result = (TEMPLATE(T, equal)(c, b, ctx));
        if (!result)
        {
            flint_printf("FAIL:\n\n");
            flint_printf("a = "), TEMPLATE(T, print_pretty)(a, ctx), flint_printf("\n");
            flint_printf("b = "), TEMPLATE(T, print_pretty)(b, ctx), flint_printf("\n");
            flint_printf("x = %wd\n",x);
            fflush(stdout);
            flint_abort();
        }

        TEMPLATE(T, clear)(a, ctx);
        TEMPLATE(T, clear)(c, ctx);
        fmpz_poly_clear(b);
        TEMPLATE(T, ctx_clear)(ctx);
    }

    TEST_FUNCTION_END(state);
}
#endif