Qt Reference Documentation

fftreal_wrapper.cpp Example File

 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 ** This file is part of the examples of the Qt Toolkit.
 ** This program is free software: you can redistribute it and/or modify
 ** it under the terms of the GNU Lesser General Public License as
 ** published by the Free Software Foundation, either version 2.1. 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, see
 ** <http://www.gnu.org/licenses/>.

 #include "fftreal_wrapper.h"

 // FFTReal code generates quite a lot of 'unused parameter' compiler warnings,
 // which we suppress here in order to get a clean build output.
 #if defined Q_CC_MSVC
 #    pragma warning(disable:4100)
 #elif defined Q_CC_GNU
 #    pragma GCC diagnostic ignored "-Wunused-parameter"
 #elif defined Q_CC_MWERKS
 #    pragma warning off (10182)

 #include "FFTRealFixLen.h"

 class FFTRealWrapperPrivate {
     FFTRealFixLen<FFTLengthPowerOfTwo> m_fft;

     :   m_private(new FFTRealWrapperPrivate)


     delete m_private;

 void FFTRealWrapper::calculateFFT(DataType in[], const DataType out[])
     m_private->m_fft.do_fft(in, out);

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