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
/*
Copyright (C) 2010 Sebastian Pancratz
Copyright (C) 2011 Fredrik Johansson
Copyright (C) 2014 William Hart
Copyright (C) 2015 Claus Fieker
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 "fmpz_mat.h"
#include "nf_elem.h"
void nf_elem_get_fmpz_mat_row(fmpz_mat_t M, const slong i, fmpz_t den,
const nf_elem_t b, const nf_t nf)
{
if (nf->flag & NF_LINEAR)
{
fmpz_set(fmpz_mat_entry(M, i, 0), LNF_ELEM_NUMREF(b));
fmpz_set(den, LNF_ELEM_DENREF(b));
} else if (nf->flag & NF_QUADRATIC)
{
const fmpz * const bnum = QNF_ELEM_NUMREF(b);
fmpz_set(fmpz_mat_entry(M, i, 0), bnum);
fmpz_set(fmpz_mat_entry(M, i, 1), bnum + 1);
fmpz_set(den, QNF_ELEM_DENREF(b));
} else
{
slong j;
for (j = 0; j < NF_ELEM(b)->length; j++)
{
fmpz_set(fmpz_mat_entry(M, i, j), NF_ELEM_NUMREF(b) + j);
}
for ( ; j < nf->pol->length - 1; j++)
{
fmpz_zero(fmpz_mat_entry(M, i, j));
}
fmpz_set(den, NF_ELEM_DENREF(b));
}
}