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70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
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/***********************************************************************
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qfouriercalculator.h - Header file for QFourierCalculator
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Abstract class providing a common interface for calculating FFTs of
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fixed or variable size.
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************************************************************************
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This file is part of QRealFourier.
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QRealFourier is free software: you can redistribute it and/or modify it
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under the terms of the Lesser GNU General Public License as published
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by 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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Foobar is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the Lesser GNU General Public
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License for more details.
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You should have received a copy of the Lesser GNU General Public License
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along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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************************************************************************
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Copyright © 2012 - 2013 Christoph Stallmann, University of Pretoria
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Developer: Christoph Stallmann
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University of Pretoria
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Department of Computer Science
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http://www.visore.org
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http://sourceforge.net/projects/qrealfourier
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http://github.com/visore/QRealFourier
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qrealfourier@visore.org
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qrealfourier@gmail.com
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***********************************************************************/
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#ifndef QFOURIERCALCULATOR_H
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#define QFOURIERCALCULATOR_H
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class QFourierCalculator
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{
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public:
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QFourierCalculator();
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virtual ~QFourierCalculator();
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virtual void setData(float input[], float output[] = 0);
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virtual void setSize(int size);
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virtual int size();
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virtual void forward() = 0;
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virtual void inverse() = 0;
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virtual void rescale() = 0;
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protected:
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float *mInput;
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float *mOutput;
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int mSize;
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};
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#endif
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