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LatAnalyze/lib/Numerical/FFT.hpp

54 lines
1.4 KiB
C++

/*
* FFT.hpp, part of LatAnalyze
*
* Copyright (C) 2013 - 2020 Antonin Portelli
*
* LatAnalyze 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.
*
* LatAnalyze 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 LatAnalyze. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef Latan_FFT_hpp_
#define Latan_FFT_hpp_
#include <LatAnalyze/Global.hpp>
BEGIN_LATAN_NAMESPACE
/******************************************************************************
* FFT abstract class *
******************************************************************************/
class FFT
{
public:
enum
{
Forward = 0,
Backward = 1
};
public:
// constructor
FFT(void) = default;
FFT(const Index size);
// destructor
virtual ~FFT(void) = default;
// size
virtual void resize(const Index size) = 0;
// FFT
virtual void operator()(CMat &x, const unsigned int dir = FFT::Forward) = 0;
};
END_LATAN_NAMESPACE
#endif // Latan_FFT_hpp_