fftreal_wrapper.cpp Example File

  /***************************************************************************
  **
  ** Copyright (C) 2015 The Qt Company Ltd.
  ** Contact: http://www.qt.io/licensing/
  **
  ** 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)
  #endif

  #include "FFTRealFixLen.h"

  class FFTRealWrapperPrivate {
  public:
      FFTRealFixLen<FFTLengthPowerOfTwo> m_fft;
  };

  FFTRealWrapper::FFTRealWrapper()
      :   m_private(new FFTRealWrapperPrivate)
  {

  }

  FFTRealWrapper::~FFTRealWrapper()
  {
      delete m_private;
  }

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