linearApproximator.h

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#ifndef LINEARAPPROXIMATOR_H
#define LINEARAPPROXIMATOR_H
#include <vector>
#ifndef Q_MOC_RUN
#include <Eigen/Dense>
#endif

struct ApproximationResult
{
    double variance;
    double angle;
    Eigen::Vector2d approximatedVector;
    EIGEN_MAKE_ALIGNED_OPERATOR_NEW
};

class LinearApproximator
{
public:
    LinearApproximator() {}
    //Calculates the best linear approximation for the given set of points with (0,0) as the startpopint
    //returns the variance between the points and the approximation
    //double calculateApproximation(std::vector<Eigen::Vector2d> * functionPoints);

   ApproximationResult calculateApproximation(Eigen::Vector2d * functionPoints, int startIndex, int endIndex, Eigen::Vector2d centerOffset);

};


#endif // LINEARAPPROXIMATOR_H