/data/refman/pasoursint/CMSSW_5_3_1/src/Alignment/CocoaFit/interface/MatrixMeschach.h

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//   COCOA class header file
//Id:  MatrixMeschach.h
//CAT: Model
//
//   Class for matrices 
// 
//   History: v1.0 
//   Pedro Arce

#ifndef _ALIMATRIX_HH
#define _ALIMATRIX_HH

#include "Alignment/CocoaUtilities/interface/CocoaGlobals.h"
#include <vector>
#include <iostream>


extern "C" {
 #include <matrix.h>
 #include <matrix2.h>
}


class MatrixMeschach
{
public:
  MatrixMeschach( );
  MatrixMeschach( ALIint NoCol, ALIint NoLin );
  MatrixMeschach( const MatrixMeschach& mat );
  ~MatrixMeschach();
    
  void AddData( ALIuint col, ALIuint lin, ALIdouble data );
  void transpose();
  void inverse();
  void Dump( const ALIstring& mtext );
  void ostrDump( std::ostream& fout, const ALIstring& mtext );
  void EliminateLines( ALIint lin_first, ALIint lin_last );
  void EliminateColumns( ALIint lin_first, ALIint lin_last );
  void SetCorrelation(ALIint i1, ALIint i2, ALIdouble corr);


  MatrixMeschach& operator=( const MatrixMeschach& mat );
  void operator*=( const MatrixMeschach& mat );
  void operator+=( const MatrixMeschach& mat );
  void operator*=( const ALIdouble num );
  ALIdouble operator () (int i, int j) const;
 
//ACCESS PRIVATE DATA MEMBERS
  ALIint NoLines() const{
    return _NoLines;
  }
  ALIint NoColumns() const{
    return _NoColumns;
  }
  void setNoColumns( ALIint ncol ){
    _NoColumns = ncol; 
  }
  void setNoLines( ALIint nlin ){
    _NoLines = nlin;
  }
  const MAT* Mat() const{
    return _Mat;
  }
  void setMat( MAT* mat){
    _Mat = mat;
  }
  MAT* MatNonConst() const{
    return _Mat;
  }


private:
 // private data members
  ALIint _NoLines;
  ALIint _NoColumns;
  //  vector< ALIdouble> _data;
  MAT* _Mat;

  void copy( const MatrixMeschach& mat); 

};

MatrixMeschach operator*( const MatrixMeschach& mat1, const MatrixMeschach& mat2 );
MatrixMeschach operator+( const MatrixMeschach& mat1, const MatrixMeschach& mat2 );
MatrixMeschach operator-( const MatrixMeschach& mat1, const MatrixMeschach& mat2 );
MatrixMeschach operator*( const ALIdouble doub, const MatrixMeschach& mat );
MatrixMeschach operator*( const MatrixMeschach& mat, const ALIdouble doub );

MatrixMeschach* MatrixByMatrix( const MatrixMeschach& mat1, const MatrixMeschach& mat2 );
typedef MatrixMeschach ALIMatrix;

#endif