CondFormats/Alignment/interface/AlignTransformErrorExtended.h - master - githubmirror/cmssw

CondFormats/Alignment/interface/AlignTransformErrorExtended.h

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22 май 2019, 04:56

22 май 2019, 04:5628f175a

#ifndef AlignTransformErrorExtended_H
#define AlignTransformErrorExtended_H
#include "CondFormats/Serialization/interface/Serializable.h"

#include "CLHEP/Matrix/SymMatrix.h"
#include "CLHEP/Vector/RotationInterfaces.h"

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

/// Class holding error due to an Alignment transformation
/// It contains the raw detector id and the symmetrical error matrix.
/// It is optimized for storage (error matrix is stored as C-array)
class AlignTransformErrorExtended {
public:
  typedef CLHEP::HepSymMatrix SymMatrix;

  AlignTransformErrorExtended() {}
  AlignTransformErrorExtended(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; }

  // Implemented so this can be sorted by rawId
  const bool operator<(const AlignTransformErrorExtended& other) const { return (m_rawId < other.rawId()); }

private:
  //FIXME difference here
  static const unsigned int m_nPars = 6;
  double m_Parameters[m_nPars * (m_nPars + 1) / 2];
  align::ID m_rawId;

  COND_SERIALIZABLE;
};
#endif  //AlignTransformErrorExtended_H