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
|
/*!
* \file
* \brief Determinant routines test program
* \author Tony Ottosson and Adam Piatyszek
*
* -------------------------------------------------------------------------
*
* Copyright (C) 1995-2010 (see AUTHORS file for a list of contributors)
*
* This file is part of IT++ - a C++ library of mathematical, signal
* processing, speech processing, and communications classes and functions.
*
* IT++ is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* IT++ is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along
* with IT++. If not, see <http://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#include <itpp/itstat.h>
using namespace itpp;
using namespace std;
int main()
{
cout << "===================================" << endl;
cout << " Test of Determinant routines " << endl;
cout << "===================================" << endl;
{
cout << "Real matrix" << endl;
mat X = randn(5, 5);
double d;
d = det(X);
cout << "X = " << round_to_zero(X) << endl;
cout << "det(X) = " << round_to_zero(d) << endl;
X = randn(5, 5);
d = det(X);
cout << "X = " << round_to_zero(X) << endl;
cout << "det(X) = " << round_to_zero(d) << endl;
}
{
cout << endl << "Complex matrix" << endl;
cmat X = randn_c(5, 5);
complex<double> d;
d = det(X);
cout << "X = " << round_to_zero(X) << endl;
cout << "det(X) = " << round_to_zero(d) << endl;
X = randn_c(5, 5);
d = det(X);
cout << "X = " << round_to_zero(X) << endl;
cout << "det(X) = " << round_to_zero(d) << endl;
}
return 0;
}
|
