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
/*
Copyright (C) 2008, 2009 William Hart
Copyright (C) 2010 Fredrik Johansson
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 "ulong_extras.h"
#include "fmpz.h"
#include "fmpz_factor.h"
void
_fmpz_factor_extend_factor_ui(fmpz_factor_t factor, ulong n)
{
slong i, len;
n_factor_t nfac;
if (n == 0)
{
_fmpz_factor_set_length(factor, 0);
factor->sign = 0;
return;
}
n_factor_init(&nfac);
n_factor(&nfac, n, 0);
len = factor->num;
_fmpz_factor_fit_length(factor, len + nfac.num);
_fmpz_factor_set_length(factor, len + nfac.num);
for (i = 0; i < nfac.num; i++)
{
fmpz_set_ui(factor->p + len + i, nfac.p[i]);
factor->exp[len + i] = nfac.exp[i];
}
}