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autocorr.h

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#ifndef AUTOCORR_H
#define AUTOCORR_H

#include <vector>

class autocorr 
{
private:
  autocorr( const autocorr &rhs );
  // Minimum correlation value
  const double limit_;
  // Total number of points to calculate
  const size_t numPoints_;

public:

  class acorrInfo 
  {
  private:
    acorrInfo(const acorrInfo &rhs );
    std::vector<double> points_;
    double slope_;
    double slopeErr_;
  public:
    acorrInfo() { slope_ = 0; }
    ~acorrInfo() {}

    double slope() { return slope_; }
    void slope( double s ) { slope_ = s; }

    double slopeErr() { return slopeErr_; }
    void slopeErr( double sE ) { slopeErr_ = sE; }

    std::vector<double> &points() { return points_; }
  }; // class acorrInfo

private:
  void acorrSlope( acorrInfo &info );

public:
  autocorr( double lim = 0.01, size_t numPts = 32 ) : limit_(lim), 
                                                      numPoints_(numPts) {}
  ~autocorr() {}

  // Autocorrelation function
  void ACF( const double *v, const size_t N, acorrInfo &info );
}; // autocorr

#endif

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