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58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
/*
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* GslFFT.hpp, part of LatAnalyze
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*
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* Copyright (C) 2013 - 2020 Antonin Portelli
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*
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* LatAnalyze is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* LatAnalyze is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with LatAnalyze. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef Latan_GslFFT_hpp_
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#define Latan_GslFFT_hpp_
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#include <LatAnalyze/Global.hpp>
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#include <LatAnalyze/Core/Mat.hpp>
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#include <LatAnalyze/Numerical/FFT.hpp>
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#include <gsl/gsl_fft_complex.h>
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BEGIN_LATAN_NAMESPACE
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/******************************************************************************
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* GSL FFT *
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******************************************************************************/
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class GslFFT: public FFT
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{
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public:
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// constructors
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GslFFT(void) = default;
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GslFFT(const Index size);
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// destructor
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virtual ~GslFFT(void);
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// size
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void resize(const Index size);
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// fft
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virtual void operator()(CMat &x, const unsigned int dir = FFT::Forward);
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private:
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// destroy GSL objects
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void clear(void);
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private:
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Index size_{0};
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gsl_fft_complex_wavetable *wavetable_{nullptr};
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gsl_fft_complex_workspace *workspace_{nullptr};
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};
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END_LATAN_NAMESPACE
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#endif // Latan_GslFFT_hpp_
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