G4ParticleHPHash.hh

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//
// P. Arce, June-2014 Conversion neutron_hp to particle_hp
//
#ifndef G4ParticleHPHash_h
#define G4ParticleHPHash_h

#include "globals.hh"
#include <vector>

class G4ParticleHPHash
{
public:
  G4ParticleHPHash() 
  {
    theUpper = 0;
    prepared = false;
  }
  
  ~G4ParticleHPHash()
  {
    if(theUpper) delete theUpper;
  }
  
  G4ParticleHPHash(const G4ParticleHPHash & aHash)
  {
    theIndex = aHash.theIndex;
    theData = aHash.theData;
    if(aHash.theUpper != 0)
    {
      theUpper = new G4ParticleHPHash(*(aHash.theUpper));
    }
    else
    {
      theUpper = 0;
    }
  }
  
  G4ParticleHPHash & operator = (const G4ParticleHPHash & aHash)
  {
    if(&aHash != this)
    {
      theIndex = aHash.theIndex;
      theData = aHash.theData;
      if(aHash.theUpper != 0)
      {
        theUpper = new G4ParticleHPHash(*(aHash.theUpper));
      }
      else
      {
        theUpper = 0;
      }
    }
    return *this;
  }
  
  void Clear()
  {
    if(theUpper) 
    {
      theUpper->Clear();
      delete theUpper;
      theUpper = 0;
    }
    theIndex.clear();
    theData.clear();
    prepared = false;
  }
  
  G4bool Prepared() const {return prepared;}
  inline void SetData(G4int index, G4double x, G4double y) 
  { 
    prepared = true;
    G4ParticleHPDataPoint aPoint;
    aPoint.SetData(x, y);
    theData.push_back(aPoint);
    theIndex.push_back(index);
    if(0 == theData.size()%10 && 0!=theData.size())
    {
      if(0 == theUpper) theUpper = new G4ParticleHPHash();
      theUpper->SetData(theData.size()-1, x, y);
    }
  }
    
  G4int GetMinIndex(G4double e) const
  {
    G4int result=-1;
    if(theData.size() == 0) return 0;
    if(theData[0].GetX()>e) return 0;
    
    G4int lower=0;
    if(theUpper != 0)
    {
      lower = theUpper->GetMinIndex(e);
    }
    unsigned int i;
    for(i=lower; i<theData.size(); i++)
    {
      if(theData[i].GetX()>e)
      {
        result = theIndex[i-1];
        break;
      }
    }
    if(result == -1) result = theIndex[theIndex.size()-1];
    return result;
  }
  
private:

  G4bool prepared;
  G4ParticleHPHash * theUpper;
  std::vector<int> theIndex;
  std::vector<G4ParticleHPDataPoint> theData; // the data
};
#endif