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CVertexFitter.h

 
//----------------------------------------------------------------------------- 
//  $Header: /tmp_mnt/asis/offline/ceres/cool/project/RCS/CVertexFitter.h,v 3.2 1996/12/18 11:34:08 messer Exp $ 
// 
//  COOL Program Library   
//  Copyright (C) CERES collaboration, 1996 
// 
//  Declaration of class CVertexFitter. 
// 
//----------------------------------------------------------------------------- 
#ifndef CVERTEXFITTER_H 
#define CVERTEXFITTER_H 
 
#include "cool.h"  
#include "CVertex.h" 
#include "CSidcHit.h"   
#include "CSidc1.h"  
#include "CSidc2.h"  
#include "CVertexFitterSetup.h"  
 
#define C_SETUPFILE_VERTEXFITTER "setup.vertex" 
 
const int MaxFitParameters = 3; 
 
class CVertexFitter {   
public:  
   CVertexFitter(const char* = 0);                // according to setup file 
   ~CVertexFitter();  
       
public:  
   void listSetup(ostream& = cout) const;         //  list current setup parameters 
   CBoolean makeVertex(CSidc&, CSidc&);           //  reconstruct the vertex using MINUIT 
   void fillVertex(CVertex&);                     //  pass over reconstructed vertex 
    
protected:  
   double   getZofNearestTargetDisk(); 
 
   double   vertexDeltaPhiRange; 
   double   vertexScanSteps; 
    
   int      nParams;                               // number of parameters for fit 
   double   grad[MaxFitParameters];                // gradient 
   double   result[MaxFitParameters];              // guessed(in)/fitted(out) values 
   double   fmin;                                  // value of min. chi2 
   int      flag;                                  // flag 
   int      ierr; 
   int      istat; 
    
   char     names[MaxFitParameters][10];           // array of 3 names for MINUIT 
   double   val[MaxFitParameters];                 // for MINUIT 
   double   step[MaxFitParameters];                // for MINUIT 
   int      nFitPoints;    
    
private:  
   double   findDisk(); 
   CVertexFitterSetup *setup;    
};  
 
#endif /* CVERTEXFITTER_H */  

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