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AlignTransformError.h

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#ifndef AlignTransformError_H
#define AlignTransformError_H
#include "CLHEP/Matrix/SymMatrix.h"
#include "CLHEP/Vector/RotationInterfaces.h"

#include "CondFormats/Alignment/interface/Definitions.h"

class  AlignTransformError {
public:
  typedef CLHEP::HepSymMatrix SymMatrix;


  AlignTransformError(){ }
  AlignTransformError( const SymMatrix & symMatrix,
                       align::ID irawId ) :
    m_rawId(irawId) 
  { 
    for ( unsigned int i=0; i<m_nPars; ++i )
      for ( unsigned int j=0; j<=i; ++j )
        m_Parameters[i*(i+1)/2+j] = symMatrix[i][j];
  }
  
  SymMatrix matrix() const { 
    SymMatrix result(m_nPars);
    for ( unsigned int i=0; i<m_nPars; ++i )
      for ( unsigned int j=0; j<=i; ++j )
        result[i][j] = m_Parameters[i*(i+1)/2+j];
    return result;
  }

  align::ID rawId()  const { return m_rawId; }

private:

  static const unsigned int m_nPars = 3;
  double m_Parameters[m_nPars*(m_nPars+1)/2];
  align::ID m_rawId;


};
#endif //AlignTransformError_H

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