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

/*
    Copyright (C) 2023 Jean Kieffer

    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 "acb.h"
#include "acb_mat.h"

void
_acb_mat_vector_mul_row(acb_ptr res, acb_srcptr v, const acb_mat_t A, slong prec)
{
    slong r = acb_mat_nrows(A);
    slong c = acb_mat_ncols(A);
    slong k;

    if (acb_mat_is_empty(A))
    {
        _acb_vec_zero(res, c);
    }
    else
    {
        for (k = 0; k < c; k++)
            acb_dot(res + k, NULL, 0, v, 1, acb_mat_entry(A, 0, k), A->stride, r, prec);
    }
}

void
acb_mat_vector_mul_row(acb_ptr res, acb_srcptr v, const acb_mat_t A, slong prec)
{
    slong c = acb_mat_ncols(A);
    acb_ptr aux;

    aux = _acb_vec_init(c);

    _acb_mat_vector_mul_row(aux, v, A, prec);
    _acb_vec_set(res, aux, c);

    _acb_vec_clear(aux, c);
}

void
_acb_mat_vector_mul_col(acb_ptr res, const acb_mat_t A, acb_srcptr v, slong prec)
{
    slong r = acb_mat_nrows(A);
    slong c = acb_mat_ncols(A);
    slong k;

    if (acb_mat_is_empty(A))
    {
        _acb_vec_zero(res, r);
    }
    else
    {
        for (k = 0; k < r; k++)
            acb_dot(res + k, NULL, 0, acb_mat_entry(A, k, 0), 1, v, 1, c, prec);
    }
}

void
acb_mat_vector_mul_col(acb_ptr res, const acb_mat_t A, acb_srcptr v, slong prec)
{
    slong r = acb_mat_nrows(A);
    acb_ptr aux;

    aux = _acb_vec_init(r);

    _acb_mat_vector_mul_col(aux, A, v, prec);
    _acb_vec_set(res, aux, r);

    _acb_vec_clear(aux, r);
}