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/*
* 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 "Blackman.h"
#include <wx/log.h>
#include <wx/debug.h>
#include <cmath>
using namespace std;
CBlackman::CBlackman(int length) :
CWindow(length)
{
for (int i = 0; i < m_length; i++) {
double frac = double(i) / double(m_length);
m_window[i] = 0.42 + 0.5 * ::cos(2.0 * M_PI * frac) + 0.08 * ::cos(4.0 * M_PI * frac);
}
}
CBlackman::~CBlackman()
{
}
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