Correlation.h

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

#ifndef GCP_UTIL_CORRELATION_H
#define GCP_UTIL_CORRELATION_H

#include <iostream>

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

namespace gcp {
  namespace util {

    class Correlation {
    public:

      Correlation(int n, bool optimize);

      void operator=(const Correlation& objToBeAssigned);

      void operator=(Correlation& objToBeAssigned);

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

      virtual ~Correlation();

      virtual void computeTransform();

      virtual fftw_complex* getTransform();

      virtual bool isReadyForTransform();

      unsigned transformSize();

      double* abs2();

    protected:

      Dft dft1_;

    private:

      bool absCalculated_;

      void calcAbs2();

    }; // End class Correlation

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


#endif // End #ifndef GCP_UTIL_CORRELATION_H