CrossCorrelation.h

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// $Id: CrossCorrelation.h,v 1.1.1.1 2009/07/06 23:57:25 eml Exp $

#ifndef GCP_UTIL_CROSSCORRELATION_H
#define GCP_UTIL_CROSSCORRELATION_H

#include <iostream>

#include "gcp/util/common/Dft.h"
#include "gcp/util/common/Correlation.h"

namespace gcp {
  namespace util {

    class CrossCorrelation : public Correlation {
    public:

      CrossCorrelation(int n, bool optimize);

      void operator=(const CrossCorrelation& objToBeAssigned);

      void operator=(CrossCorrelation& objToBeAssigned);

      friend std::ostream& operator<<(std::ostream& os, CrossCorrelation& obj);

      virtual ~CrossCorrelation();

      void computeTransform();

      fftw_complex* getTransform();

      bool isReadyForTransform();

      fftw_complex* calcCorrelation();

      void pushSample(double sample1, double sample2);

    private:

      Dft dft2_;
      bool correlationCalculated_;

    }; // End class CrossCorrelation

  } // End namespace util
} // End namespace gcp


#endif // End #ifndef GCP_UTIL_CROSSCORRELATION_H