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
|
/*
* Copyright (C) 2004 by Jonathan Naylor G4KLX
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "Window.h"
#include <wx/log.h>
#include <wx/debug.h>
#include <cmath>
using namespace std;
CWindow::CWindow(int length) :
m_length(length),
m_window(NULL)
{
wxASSERT(length > 0);
m_window = new double[length];
}
CWindow::~CWindow()
{
delete[] m_window;
}
void CWindow::filter(double* in, double* out) const
{
wxASSERT(in != NULL);
wxASSERT(out != NULL);
for (int i = 0; i < m_length; i++)
out[i] = in[i] * m_window[i];
}
double* CWindow::filter(double* in) const
{
wxASSERT(in != NULL);
for (int i = 0; i < m_length; i++)
in[i] *= m_window[i];
return in;
}
|
