MatrixTool.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TRKALIGNGENTOOLS_MATRIXTOOL_H
#define TRKALIGNGENTOOLS_MATRIXTOOL_H

 
#include "GaudiKernel/ToolHandle.h"
#include "AthenaBaseComps/AthAlgTool.h"
 
#include "TrkAlignInterfaces/IMatrixTool.h"
 
#include <TMatrixDSym.h>
#include "CLHEP/Matrix/SymMatrix.h"
 
#include <string>
 
class TString;

 
namespace Trk {
 
  class AlSymMatBase;
  class AlSymMat;
  class AlMat;
  class AlVec;
 
  class IAlignModuleTool;
 
  class MatrixTool : public AthAlgTool, virtual public IMatrixTool {    
  public:
 
    enum SolveOption { 
      NONE                 = 0, 
      SOLVE                = 1, 
      SOLVE_FAST           = 2, 
      DIRECT_SOLVE         = 3, 
      DIRECT_SOLVE_FAST    = 4, 
      DIRECT_SOLVE_CLUSTER = 5, 
      SOLVE_ROOT           = 6, 
      SOLVE_CLHEP          = 7  
    };

    MatrixTool(const std::string& type, const std::string& name,
           const IInterface* parent);

    virtual ~MatrixTool();
    
    StatusCode initialize();
    
    StatusCode finalize();
    
    StatusCode allocateMatrix(int nDoF=0); 
    
    void prepareBinaryFiles(int solveOption);

    void addFirstDerivatives(AlVec* vector);

    void addFirstDerivatives(std::list<int,double>& derivatives);
 
    void addFirstDerivative(int irow, double firstderiv);  

    void addSecondDerivatives(AlSymMatBase* matrix);

    void addSecondDerivatives(std::list<std::pair<int,int>,double >& derivatives);
 
    void addSecondDerivative(int irow, int icol, double secondderiv);
 

    bool accumulateFromFiles();
    
    bool accumulateFromBinaries();

    int solve();
 
    
    void storeInTFile(const TString& filename);

    bool accumulateFromTFiles();
 
    void printModuleSolution(std::ostream & os, const AlignModule * module, const CLHEP::HepSymMatrix * cov) const;
    void printGlobalSolution(std::ostream & os, const CLHEP::HepSymMatrix * cov);
    void printGlobalSolution(std::ostream & os, const TMatrixDSym * cov);
 
  private:
 
    // private methods
    int solveROOT();
    int solveCLHEP();
    int solveLapack();
    int solveSparseEigen();
    int solveLocal();
 
    StatusCode spuriousRemoval();
    static int        fillVecMods();
    void       postSolvingLapack(AlVec * dChi2, AlSymMat * d2Chi2, AlVec &w, AlMat &z, int size);
 
    void writeHitmap();
    void readHitmaps();
 
    // private variables
    PublicToolHandle<IAlignModuleTool> m_alignModuleTool{
      this, "AlignModuleTool", "Trk::AlignModuleTool/AlignModuleTool"};

    AlSymMatBase* m_bigmatrix = nullptr;
    
    AlVec* m_bigvector = nullptr;
    
    Gaudi::Property<bool> m_useSparse{this, "UseSparse", false};
 
    Gaudi::Property<bool> m_diagonalize{this, "Diagonalize", true,
      "run diagonalization instead of inversion"};
    Gaudi::Property<double> m_eigenvaluethreshold
      {this, "EigenvalueThreshold", 0., "cut on the minimum eigenvalue"};
 
    Gaudi::Property<int> m_solveOption
      {this, "SolveOption", NONE, "solving option"};
    Gaudi::Property<int> m_modcut{this, "ModCut", 0,
      "cut on the weak modes which number is <par_modcut"};
    Gaudi::Property<int> m_minNumHits{this, "MinNumHitsPerModule", 0,
      "cut on the minimum number of hits per module"};
    Gaudi::Property<int> m_minNumTrks{this, "MinNumTrksPerModule", 0,
      "cut on the minimum number of tracks per module"};
    Gaudi::Property<float> m_pullcut{this, "PullCut", 1.0,
      "pull cut for the automatic weak mode removal method"};
    Gaudi::Property<float> m_eigenvalueStep{this, "EigenvalueStep", 1e3,
      "eigenvalue step for the second pass in the automatic weak mode removal method"};
    Gaudi::Property<float> m_Align_db_step{this, "AlignCorrDBStep", 10.,
      "corr in the diagonal basis step for the third pass in the auto weak mode removal method"};
    
    Gaudi::Property<bool> m_calDet{this, "MatrixDet", false,
      "compute bigmatrix's determinant ?"};
    Gaudi::Property<bool> m_wSqMatrix{this, "WriteSquareMatrix", false,
      "write a triangular matrix by default (true: square format) ?"};
    Gaudi::Property<bool> m_writeMat{this, "WriteMat", true,
      "write big matrix and vector into files ?"};
    Gaudi::Property<bool> m_writeMatTxt{this, "WriteMatTxt", true,
      "also write big matrix and vector into txt files ?"};
    Gaudi::Property<bool> m_writeEigenMat{this, "WriteEigenMat", true,
      "write eigenvalues and eigenvectors into files ?"};
    Gaudi::Property<bool> m_writeEigenMatTxt{this, "WriteEigenMatTxt", true,
      "also write eigenvalues and eigenvectors into txt files ?"};
    Gaudi::Property<bool> m_writeModuleNames{this, "WriteModuleNames", false,
      "write module name instead of Identifier to vector file"};
 
    Gaudi::Property<bool> m_writeHitmap{this, "WriteHitmap", false,
      "write hitmap into file"};
    Gaudi::Property<bool> m_writeHitmapTxt{this, "WriteHitmapTxt", false,
      "write hitmap into text file"};
    Gaudi::Property<bool> m_readHitmaps{this, "ReadHitmaps", false,
      "accumulate hitymap from files"};
 
    Gaudi::Property<bool> m_writeTFile{this, "WriteTFile", false,
      "write out files to a root file"};
    Gaudi::Property<bool> m_readTFiles{this, "ReadTFile", false,
      "if True then files will be read from TFiles instead of Binary files"};
 
    Gaudi::Property<bool> m_runLocal{this, "RunLocalMethod", true,
      "Run solving using Local method"};
 
    double m_scale = -1.;        
    Gaudi::Property<bool> m_scaleMatrix{this, "ScaleMatrix", false,
      "scale matrix by number of hits before solving"};
    
    Gaudi::Property<double> m_softEigenmodeCut{this, "SoftEigenmodeCut", 0.,
      "add constant to diagonal to effectively cut on weak eigenmodes"};
 
    Gaudi::Property<double> m_removeSpurious{this, "RemoveSpurious", false,
      "run spurious removal"};
 
    Gaudi::Property<double> m_calculateFullCovariance
      {this, "CalculateFullCovariance", true,
       "calculate full covariance matrix for Lapack"};
 
    Gaudi::Property<std::string> m_pathbin{this, "PathBinName", "./",
      "path binary files (in/out)"};
    Gaudi::Property<std::string> m_pathtxt{this, "PathTxtName", "./",
      "path ascii files (in/out)"};
    Gaudi::Property<std::string> m_prefixName{this, "PrefixName", "",
      "prefix string to filenames"};
 
    Gaudi::Property<std::string> m_tfileName
      {this, "TFileName", "AlignmentTFile.root", "prefix string to filenames"};
 
    Gaudi::Property<std::string> m_scalaMatName
      {this, "ScalapackMatrixName", "eigenvectors.bin", "Scalapack matrix name"};
    Gaudi::Property<std::string> m_scalaVecName
      {this, "ScalapackVectorName", "eigenvalues.bin", "Scalapack vector name"};
 
    Gaudi::Property<std::vector<std::string>> m_inputMatrixFiles
      {this, "InputMatrixFiles", {"matrix.bin"},
       "input binary files containing matrix terms"};
    Gaudi::Property<std::vector<std::string>> m_inputVectorFiles
      {this, "InputVectorFiles", {"vector.bin"},
       "input binary files containing vector terms"};
 
    Gaudi::Property<std::vector<std::string>> m_inputHitmapFiles
      {this, "InputHitmapFiles", {"hitmap.bin"},
       "input binary files containing the hitmaps"};
 
    Gaudi::Property<std::vector<std::string>> m_inputTFiles
      {this, "InputTFiles", {"AlignmentTFile.root"},
       "input binary files containing matrix terms"};
 
    std::vector<int> m_activeIndices{}; 
    int m_aNDoF = 0;                    
 
    Gaudi::Property<int> m_maxReadErrors{this, "MaxReadErrors", 10,
      "maximum number of reading TFile errors"};
 
    //To skip IBL or Pixel Alignment
    Gaudi::Property<bool> m_AlignIBLbutNotPixel
      {this, "AlignIBLbutNotPixel", false};
    Gaudi::Property<bool> m_AlignPixelbutNotIBL
      {this, "AlignPixelbutNotIBL", false};
    //To Skip Solving of SCT ECA Last Disk
    Gaudi::Property<bool> m_DeactivateSCT_ECA_LastDisk
      {this, "DeactivateSCT_ECA_LastDisk", false};
 
    //By Pixel DoF
    Gaudi::Property<bool> m_Remove_Pixel_Tx{this, "Remove_Pixel_Tx", false};
    Gaudi::Property<bool> m_Remove_Pixel_Ty{this, "Remove_Pixel_Ty", false};
    Gaudi::Property<bool> m_Remove_Pixel_Tz{this, "Remove_Pixel_Tz", false};
    Gaudi::Property<bool> m_Remove_Pixel_Rx{this, "Remove_Pixel_Rx", false};
    Gaudi::Property<bool> m_Remove_Pixel_Ry{this, "Remove_Pixel_Ry", false};
    Gaudi::Property<bool> m_Remove_Pixel_Rz{this, "Remove_Pixel_Rz", false};
 
    //By IBL DoF
    Gaudi::Property<bool> m_Remove_IBL_Tx{this, "Remove_IBL_Tx", false};
    Gaudi::Property<bool> m_Remove_IBL_Ty{this, "Remove_IBL_Ty", false};
    Gaudi::Property<bool> m_Remove_IBL_Tz{this, "Remove_IBL_Tz", false};
    Gaudi::Property<bool> m_Remove_IBL_Rx{this, "Remove_IBL_Rx", false};
    Gaudi::Property<bool> m_Remove_IBL_Ry{this, "Remove_IBL_Ry", false};
    Gaudi::Property<bool> m_Remove_IBL_Rz{this, "Remove_IBL_Rz", false};
 
  }; // end of class
 
} // End of namespace 
 
 
 
#endif // TRKALIGNGENTOOLS_MATRIXTOOL_H