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#ifndef Alignment_CommonAlignment_AlignmentParametersData_h
#define Alignment_CommonAlignment_AlignmentParametersData_h
#include "DataFormats/GeometrySurface/interface/ReferenceCounted.h"
#include "DataFormats/CLHEP/interface/AlgebraicObjects.h"
class AlignmentParametersData : public ReferenceCounted {
public:
typedef ReferenceCountingPointer<AlignmentParametersData> DataContainer;
/// Default constructor.
AlignmentParametersData(void);
/// Constructor from parameters vector, covariance matrix and selection vector.
/// NOTE: The input data must live on the heap and must not be deleted by the user.
AlignmentParametersData(AlgebraicVector* param, AlgebraicSymMatrix* cov, std::vector<bool>* sel);
/// Constructor from parameters vector, covariance matrix and selection vector.
AlignmentParametersData(const AlgebraicVector& param, const AlgebraicSymMatrix& cov, const std::vector<bool>& sel);
/// Constructor from parameters vector and covariance matrix.
/// NOTE: The input data must live on the heap and must not be deleted by the user.
AlignmentParametersData(AlgebraicVector* param, AlgebraicSymMatrix* cov);
/// Constructor from parameters vector and covariance matrix.
AlignmentParametersData(const AlgebraicVector& param, const AlgebraicSymMatrix& cov);
~AlignmentParametersData(void) override;
/// Access to the parameter vector.
const AlgebraicVector& parameters(void) const { return *theParameters; }
/// Access to the covariance matrix
const AlgebraicSymMatrix& covariance(void) const { return *theCovariance; }
/// Access to the selection vector.
const std::vector<bool>& selector(void) const { return *theSelector; }
/// Access to the number of selected parameters.
int numSelected(void) { return theNumSelected; }
/// Check if the size of the parameters vector, the size of the covariance matrix,
/// the size of the selector and the number of selected parameters is consistent.
/// An exception of type "LogicError" is thrown in case of any inconsistencies.
void checkConsistency(void) const;
private:
AlgebraicVector* theParameters;
AlgebraicSymMatrix* theCovariance;
std::vector<bool>* theSelector;
int theNumSelected;
};
#endif
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