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
|
/*
Copyright (C) 2020 Fredrik Johansson
This file is part of Calcium.
Calcium 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 2.1 of the License, or
(at your option) any later version. See <http://www.gnu.org/licenses/>.
*/
#include "qqbar.h"
int
qqbar_cmp_root_order(const qqbar_t x, const qqbar_t y)
{
int xreal, yreal, cmp;
xreal = qqbar_is_real(x);
yreal = qqbar_is_real(y);
if (xreal != yreal)
return xreal ? -1 : 1;
cmp = qqbar_cmp_re(x, y);
if (cmp != 0)
return -cmp;
cmp = qqbar_cmpabs_im(x, y);
if (cmp != 0)
return cmp;
return qqbar_sgn_im(y);
}
|
