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
/*
Copyright (C) 2011 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 "fmpz_poly.h"
#include "arb_poly.h"
void
_fmpz_poly_swinnerton_dyer(fmpz * T, ulong n)
{
if (n == 0)
{
fmpz_zero(T);
fmpz_one(T + 1);
}
else
{
arb_poly_t t;
arb_poly_init(t);
arb_poly_swinnerton_dyer_ui(t, n, 0);
if (!_arb_vec_get_unique_fmpz_vec(T, t->coeffs, t->length))
flint_throw(FLINT_ERROR, "(%s)\n", __func__);
arb_poly_clear(t);
}
}
void
fmpz_poly_swinnerton_dyer(fmpz_poly_t poly, ulong n)
{
slong N = (WORD(1) << n);
fmpz_poly_fit_length(poly, N + 1);
_fmpz_poly_swinnerton_dyer(poly->coeffs, n);
_fmpz_poly_set_length(poly, N + 1);
}