G4ParticleHPVector Class Reference

#include <G4ParticleHPVector.hh>

Public Member Functions
	G4ParticleHPVector ()
	G4ParticleHPVector (G4int n)
	~G4ParticleHPVector ()
G4ParticleHPVector &	operator= (const G4ParticleHPVector &right)
void	SetVerbose (G4int ff)
void	Times (G4double factor)
void	SetPoint (G4int i, const G4ParticleHPDataPoint &it)
void	SetData (G4int i, G4double x, G4double y)
void	SetX (G4int i, G4double e)
void	SetEnergy (G4int i, G4double e)
void	SetY (G4int i, G4double x)
void	SetXsec (G4int i, G4double x)
G4double	GetEnergy (G4int i) const
G4double	GetXsec (G4int i)
G4double	GetX (G4int i) const
const G4ParticleHPDataPoint &	GetPoint (G4int i) const
void	Hash ()
void	ReHash ()
G4double	GetXsec (G4double e)
G4double	GetXsec (G4double e, G4int min)
G4double	GetY (G4double x)
G4int	GetVectorLength () const
G4double	GetY (G4int i)
G4double	GetY (G4int i) const
void	Dump ()
void	InitInterpolation (std::istream &aDataFile)
void	Init (std::istream &aDataFile, G4int total, G4double ux=1., G4double uy=1.)
void	Init (std::istream &aDataFile, G4double ux=1., G4double uy=1.)
void	ThinOut (G4double precision)
void	SetLabel (G4double aLabel)
G4double	GetLabel ()
void	CleanUp ()
void	Merge (G4ParticleHPVector *active, G4ParticleHPVector *passive)
void	Merge (G4InterpolationScheme aScheme, G4double aValue, G4ParticleHPVector *active, G4ParticleHPVector *passive)
G4double	SampleLin ()
G4double	Sample ()
G4double *	Debug ()
void	IntegrateAndNormalise ()
void	Integrate ()
G4double	GetIntegral ()
void	SetInterpolationManager (const G4InterpolationManager &aManager)
const G4InterpolationManager &	GetInterpolationManager () const
void	SetInterpolationManager (G4InterpolationManager &aMan)
void	SetScheme (G4int aPoint, const G4InterpolationScheme &aScheme)
G4InterpolationScheme	GetScheme (G4int anIndex)
G4double	GetMeanX ()
std::vector< G4double >	GetBlocked ()
std::vector< G4double >	GetBuffered ()
G4double	Get15percentBorder ()
G4double	Get50percentBorder ()

Friends
G4ParticleHPVector &	operator+ (G4ParticleHPVector &left, G4ParticleHPVector &right)

Detailed Description

Definition at line 56 of file G4ParticleHPVector.hh.

Constructor & Destructor Documentation

G4ParticleHPVector::G4ParticleHPVector

(

)

Definition at line 83 of file G4ParticleHPVector.cc.

  {
    theData = new G4ParticleHPDataPoint[20]; 
    nPoints=20;
    nEntries=0;
    Verbose=0;
    theIntegral=0;
    totalIntegral=-1;
    isFreed = 0;
    maxValue = -DBL_MAX;
    the15percentBorderCash = -DBL_MAX;
    the50percentBorderCash = -DBL_MAX;
    label = -DBL_MAX;
  }

G4ParticleHPVector::G4ParticleHPVector

(

G4int

n

)

Definition at line 98 of file G4ParticleHPVector.cc.

  {
    nPoints=std::max(n, 20);
    theData = new G4ParticleHPDataPoint[nPoints]; 
    nEntries=0;
    Verbose=0;
    theIntegral=0;
    totalIntegral=-1;
    isFreed = 0;
    maxValue = -DBL_MAX;
    the15percentBorderCash = -DBL_MAX;
    the50percentBorderCash = -DBL_MAX;
    label = -DBL_MAX;
  }

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G4ParticleHPVector::~G4ParticleHPVector

(

)

Definition at line 113 of file G4ParticleHPVector.cc.

  {
//    if(Verbose==1)G4cout <<"G4ParticleHPVector::~G4ParticleHPVector"<<G4endl;
      delete [] theData;
//    if(Verbose==1)G4cout <<"Vector: delete theData"<<G4endl;
      delete [] theIntegral;
//    if(Verbose==1)G4cout <<"Vector: delete theIntegral"<<G4endl;
    theHash.Clear();
    isFreed = 1;
  }

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Member Function Documentation

void G4ParticleHPVector::CleanUp ( )

inline

Definition at line 261 of file G4ParticleHPVector.hh.

  {
    nEntries=0;   
    theManager.CleanUp();
    maxValue = -DBL_MAX;
    theHash.Clear();
//080811 TK DB 
    delete[] theIntegral;
    theIntegral = NULL;
  }

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G4double* G4ParticleHPVector::Debug ( )

inline

Definition at line 368 of file G4ParticleHPVector.hh.

  {
    return theIntegral;
  }

void G4ParticleHPVector::Dump

(

)

Definition at line 205 of file G4ParticleHPVector.cc.

  {
    G4cout << nEntries<<G4endl;
    for(G4int i=0; i<nEntries; i++)
    {
      G4cout << theData[i].GetX()<<" ";
      G4cout << theData[i].GetY()<<" ";
//      if (i!=1&&i==5*(i/5)) G4cout << G4endl;
      G4cout << G4endl;
    }
    G4cout << G4endl;
  }

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G4double G4ParticleHPVector::Get15percentBorder

(

)

Definition at line 480 of file G4ParticleHPVector.cc.

  {    
    if(the15percentBorderCash>-DBL_MAX/2.) return the15percentBorderCash;
    G4double result;
    if(GetVectorLength()==1)
    {
      result = theData[0].GetX();
      the15percentBorderCash = result;
    }
    else
    {
      if(theIntegral==0) { IntegrateAndNormalise(); }
      G4int i;
      result = theData[GetVectorLength()-1].GetX();
      for(i=0;i<GetVectorLength();i++)
      {
    if(theIntegral[i]/theIntegral[GetVectorLength()-1]>0.15) 
    {
      result = theData[std::min(i+1, GetVectorLength()-1)].GetX();
          the15percentBorderCash = result;
      break;
    }
      }
      the15percentBorderCash = result;
    }
    return result;
  }

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G4double G4ParticleHPVector::Get50percentBorder

(

)

Definition at line 508 of file G4ParticleHPVector.cc.

  {    
    if(the50percentBorderCash>-DBL_MAX/2.) return the50percentBorderCash;
    G4double result;
    if(GetVectorLength()==1)
    {
      result = theData[0].GetX();
      the50percentBorderCash = result;
    }
    else
    {
      if(theIntegral==0) { IntegrateAndNormalise(); }
      G4int i;
      G4double x = 0.5;
      result = theData[GetVectorLength()-1].GetX();
      for(i=0;i<GetVectorLength();i++)
      {
    if(theIntegral[i]/theIntegral[GetVectorLength()-1]>x) 
    {
      G4int it;
      it = i;
      if(it == GetVectorLength()-1)
      {
        result = theData[GetVectorLength()-1].GetX();
      }
      else
      {
        G4double x1, x2, y1, y2;
        x1 = theIntegral[i-1]/theIntegral[GetVectorLength()-1];
        x2 = theIntegral[i]/theIntegral[GetVectorLength()-1];
        y1 = theData[i-1].GetX();
        y2 = theData[i].GetX();
        result = theLin.Lin(x, x1, x2, y1, y2);
      }
          the50percentBorderCash = result;
      break;
    }
      }
      the50percentBorderCash = result;
    }
    return result;
  }

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std::vector<G4double> G4ParticleHPVector::GetBlocked ( )

inline

Definition at line 538 of file G4ParticleHPVector.hh.

{return theBlocked;}

std::vector<G4double> G4ParticleHPVector::GetBuffered ( )

inline

Definition at line 539 of file G4ParticleHPVector.hh.

{return theBuffered;}

G4double G4ParticleHPVector::GetEnergy ( G4int  i ) const

inline

Definition at line 125 of file G4ParticleHPVector.hh.

{ return theData[i].GetX(); }

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G4double G4ParticleHPVector::GetIntegral ( )

inline

Definition at line 477 of file G4ParticleHPVector.hh.

  { 
    if(totalIntegral<-0.5) Integrate();
    return totalIntegral; 
  }

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const G4InterpolationManager& G4ParticleHPVector::GetInterpolationManager ( ) const

inline

Definition at line 488 of file G4ParticleHPVector.hh.

  {
    return theManager;
  }

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G4double G4ParticleHPVector::GetLabel ( )

inline

Definition at line 256 of file G4ParticleHPVector.hh.

  {
    return label;
  }

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G4double G4ParticleHPVector::GetMeanX ( )

inline

Definition at line 508 of file G4ParticleHPVector.hh.

  {
    G4double result;
    G4double running = 0;
    G4double weighted = 0;
    for(G4int i=1; i<nEntries; i++)
    {
      running += theInt.GetBinIntegral(theManager.GetScheme(i-1),
                           theData[i-1].GetX(), theData[i].GetX(),
                           theData[i-1].GetY(), theData[i].GetY());
      weighted += theInt.GetWeightedBinIntegral(theManager.GetScheme(i-1),
                           theData[i-1].GetX(), theData[i].GetX(),
                           theData[i-1].GetY(), theData[i].GetY());
    }  
    result = weighted / running;  
    return result;
  }

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const G4ParticleHPDataPoint& G4ParticleHPVector::GetPoint ( G4int  i ) const

inline

Definition at line 133 of file G4ParticleHPVector.hh.

{ return theData[i]; }

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G4InterpolationScheme G4ParticleHPVector::GetScheme ( G4int  anIndex )

inline

Definition at line 503 of file G4ParticleHPVector.hh.

  {
    return theManager.GetScheme(anIndex);
  }

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G4int G4ParticleHPVector::GetVectorLength ( ) const

inline

Definition at line 199 of file G4ParticleHPVector.hh.

{return nEntries;}

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G4double G4ParticleHPVector::GetX ( G4int  i ) const

inline

Definition at line 127 of file G4ParticleHPVector.hh.

  { 
    if (i<0) i=0;
    if(i>=GetVectorLength()) i=GetVectorLength()-1;
    return theData[i].GetX();
  }

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G4double G4ParticleHPVector::GetXsec ( G4int  i )

inline

Definition at line 126 of file G4ParticleHPVector.hh.

{ return theData[i].GetY(); }

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G4double G4ParticleHPVector::GetXsec

(

G4double

e

)

Definition at line 149 of file G4ParticleHPVector.cc.

  {
    if(nEntries == 0) return 0;
    //if(!theHash.Prepared()) Hash();
    if ( !theHash.Prepared() ) {
       if ( G4Threading::IsWorkerThread() ) {
          ;
       } else {
          Hash();
       }
    }
    G4int min = theHash.GetMinIndex(e);
    G4int i;
    for(i=min ; i<nEntries; i++)
    {
      //if(theData[i].GetX()>e) break;
      if(theData[i].GetX() >= e) break;
    }
    G4int low = i-1;
    G4int high = i;
    if(i==0)
    {
      low = 0;
      high = 1;
    }
    else if(i==nEntries)
    {
      low = nEntries-2;
      high = nEntries-1;
    }
    G4double y;
    if(e<theData[nEntries-1].GetX()) 
    {
      // Protect against doubled-up x values
      //if( (theData[high].GetX()-theData[low].GetX())/theData[high].GetX() < 0.000001)
      if ( theData[high].GetX() !=0 
       //080808 TKDB
       //&&( theData[high].GetX()-theData[low].GetX())/theData[high].GetX() < 0.000001)
       &&( std::abs( (theData[high].GetX()-theData[low].GetX())/theData[high].GetX() ) < 0.000001 ) )
      {
        y = theData[low].GetY();
      }
      else
      {
        y = theInt.Interpolate(theManager.GetScheme(high), e, 
                               theData[low].GetX(), theData[high].GetX(),
                   theData[low].GetY(), theData[high].GetY());
      }
    }
    else
    {
      y=theData[nEntries-1].GetY();
    }
    return y;
  }

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G4double G4ParticleHPVector::GetXsec ( G4double  e, G4int  min  )

inline

Definition at line 157 of file G4ParticleHPVector.hh.

  {
    G4int i;
    for(i=min ; i<nEntries; i++)
    {
      if(theData[i].GetX()>e) break;
    }
    G4int low = i-1;
    G4int high = i;
    if(i==0)
    {
      low = 0;
      high = 1;
    }
    else if(i==nEntries)
    {
      low = nEntries-2;
      high = nEntries-1;
    }
    G4double y;
    if(e<theData[nEntries-1].GetX()) 
    {
      // Protect against doubled-up x values
      if( (theData[high].GetX()-theData[low].GetX())/theData[high].GetX() < 0.000001)
      {
        y = theData[low].GetY();
      }
      else
      {
        y = theInt.Interpolate(theManager.GetScheme(high), e, 
                               theData[low].GetX(), theData[high].GetX(),
                   theData[low].GetY(), theData[high].GetY());
      }
    }
    else
    {
      y=theData[nEntries-1].GetY();
    }
    return y;
  }

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G4double G4ParticleHPVector::GetY ( G4double  x )

inline

Definition at line 198 of file G4ParticleHPVector.hh.

{return GetXsec(x);}

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G4double G4ParticleHPVector::GetY ( G4int  i )

inline

Definition at line 201 of file G4ParticleHPVector.hh.

  { 
    if (i<0) i=0;
    if(i>=GetVectorLength()) i=GetVectorLength()-1;
    return theData[i].GetY(); 
  }

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G4double G4ParticleHPVector::GetY ( G4int  i ) const

inline

Definition at line 208 of file G4ParticleHPVector.hh.

  {
    if (i<0) i=0;
    if(i>=GetVectorLength()) i=GetVectorLength()-1;
    return theData[i].GetY(); 
  }

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void G4ParticleHPVector::Hash ( )

inline

Definition at line 135 of file G4ParticleHPVector.hh.

  {
    G4int i;
    G4double x, y;
    for(i=0 ; i<nEntries; i++)
    {
      if(0 == (i+1)%10)
      {
        x = GetX(i);
    y = GetY(i);
    theHash.SetData(i, x, y);
      }
    }
  }

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void G4ParticleHPVector::Init ( std::istream &  aDataFile, G4int  total, G4double  ux = 1., G4double  uy = 1.  )

inline

Definition at line 221 of file G4ParticleHPVector.hh.

  {
    G4double x,y;
    for (G4int i=0;i<total;i++)
    {
      aDataFile >> x >> y;
      x*=ux;
      y*=uy;
      SetData(i,x,y);
      if(0 == nEntries%10)
      {
        theHash.SetData(nEntries-1, x, y);
      }
    }
  }

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void G4ParticleHPVector::Init ( std::istream &  aDataFile, G4double  ux = 1., G4double  uy = 1.  )

inline

Definition at line 237 of file G4ParticleHPVector.hh.

  {
    G4int total;
    aDataFile >> total;
    if(theData!=0) delete [] theData;
    theData = new G4ParticleHPDataPoint[total]; 
    nPoints=total;
    nEntries=0;    
    theManager.Init(aDataFile);
    Init(aDataFile, total, ux, uy);
  }

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void G4ParticleHPVector::InitInterpolation ( std::istream &  aDataFile )

inline

Definition at line 216 of file G4ParticleHPVector.hh.

  {
    theManager.Init(aDataFile);
  }

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void G4ParticleHPVector::Integrate ( )

inline

Definition at line 423 of file G4ParticleHPVector.hh.

  {
    G4int i;
    if(nEntries == 1)
    {
      totalIntegral = 0;
      return;
    }
    G4double sum = 0;
    for(i=1;i<GetVectorLength();i++)
    {
      if(std::abs((theData[i].GetX()-theData[i-1].GetX())/theData[i].GetX())>0.0000001)
      {
        G4double x1 = theData[i-1].GetX();
        G4double x2 = theData[i].GetX();
        G4double y1 = theData[i-1].GetY();
        G4double y2 = theData[i].GetY();
        G4InterpolationScheme aScheme = theManager.GetScheme(i);
        if(aScheme==LINLIN||aScheme==CLINLIN||aScheme==ULINLIN)
        {
          sum+= 0.5*(y2+y1)*(x2-x1);
        }
        else if(aScheme==LINLOG||aScheme==CLINLOG||aScheme==ULINLOG)
        {
          G4double a = y1;
          G4double b = (y2-y1)/(G4Log(x2)-G4Log(x1));
          sum+= (a-b)*(x2-x1) + b*(x2*G4Log(x2)-x1*G4Log(x1));
        }
        else if(aScheme==LOGLIN||aScheme==CLOGLIN||aScheme==ULOGLIN)
        {
          G4double a = G4Log(y1);
          G4double b = (G4Log(y2)-G4Log(y1))/(x2-x1);
          sum += (G4Exp(a)/b)*(G4Exp(b*x2)-G4Exp(b*x1));
        }
        else if(aScheme==HISTO||aScheme==CHISTO||aScheme==UHISTO)
        {
          sum+= y1*(x2-x1);
        }
        else if(aScheme==LOGLOG||aScheme==CLOGLOG||aScheme==ULOGLOG)
        {
          G4double a = G4Log(y1);
          G4double b = (G4Log(y2)-G4Log(y1))/(G4Log(x2)-G4Log(x1));
          sum += (G4Exp(a)/(b+1))*(G4Pow::GetInstance()->powA(x2,b+1)-G4Pow::GetInstance()->powA(x1,b+1));
        }
        else
        {
          throw G4HadronicException(__FILE__, __LINE__, "Unknown interpolation scheme in G4ParticleHPVector::Integrate");
        }
          
      }
    }
    totalIntegral = sum;
  }

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void G4ParticleHPVector::IntegrateAndNormalise ( )

inline

Definition at line 373 of file G4ParticleHPVector.hh.

  {
    G4int i;
    if(theIntegral!=0) return;
    theIntegral = new G4double[nEntries];
    if(nEntries == 1)
    {
      theIntegral[0] = 1;
      return;
    }
    theIntegral[0] = 0;
    G4double sum = 0;
    G4double x1 = 0;
    G4double x0 = 0;
    for(i=1;i<GetVectorLength();i++)
    {
      x1 = theData[i].GetX();
      x0 = theData[i-1].GetX();
      if (std::abs(x1-x0) > std::abs(x1*0.0000001) )
      {
    //********************************************************************
    //EMendoza -> the interpolation scheme is not always lin-lin
    /*
        sum+= 0.5*(theData[i].GetY()+theData[i-1].GetY())*
                  (x1-x0);
    */
    //********************************************************************
        G4InterpolationScheme aScheme = theManager.GetScheme(i);
        G4double y0 = theData[i-1].GetY();
        G4double y1 = theData[i].GetY();
    G4double integ=theInt.GetBinIntegral(aScheme,x0,x1,y0,y1);
#if defined WIN32-VC
    if(!_finite(integ)){integ=0;}
#elif defined __IBMCPP__
    if(isinf(integ)||isnan(integ)){integ=0;}
#else
    if(std::isinf(integ)||std::isnan(integ)){integ=0;}
#endif
    sum+=integ;
    //********************************************************************
      }
      theIntegral[i] = sum;
    }
    G4double total = theIntegral[GetVectorLength()-1];
    for(i=1;i<GetVectorLength();i++)
    {
      theIntegral[i]/=total;
    }
  }

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void G4ParticleHPVector::Merge ( G4ParticleHPVector *  active, G4ParticleHPVector *  passive  )

inline

Definition at line 273 of file G4ParticleHPVector.hh.

  {
    CleanUp();
    G4int s_tmp = 0, n=0, m_tmp=0;
    G4ParticleHPVector * tmp;
    G4int a = s_tmp, p = n, t;
    while (a<active->GetVectorLength()&&p<passive->GetVectorLength()) // Loop checking, 11.05.2015, T. Koi
    {
      if(active->GetEnergy(a) <= passive->GetEnergy(p))
      {
        G4double xa = active->GetEnergy(a);
        G4double yy = active->GetXsec(a);
        SetData(m_tmp, xa, yy);
        theManager.AppendScheme(m_tmp, active->GetScheme(a));
        m_tmp++;
        a++;
        G4double xp = passive->GetEnergy(p);

//080409 TKDB 
        //if( std::abs(std::abs(xp-xa)/xa)<0.001 ) p++;
        if ( !( xa == 0 ) && std::abs(std::abs(xp-xa)/xa)<0.001 ) p++;
      } else {
        tmp = active; 
        t=a;
        active = passive; 
        a=p;
        passive = tmp; 
        p=t;
      }
    }
    while (a!=active->GetVectorLength()) // Loop checking, 11.05.2015, T. Koi
    {
      SetData(m_tmp, active->GetEnergy(a), active->GetXsec(a));
      theManager.AppendScheme(m_tmp++, active->GetScheme(a));
      a++;
    }
    while (p!=passive->GetVectorLength()) // Loop checking, 11.05.2015, T. Koi
    {
      if(std::abs(GetEnergy(m_tmp-1)-passive->GetEnergy(p))/passive->GetEnergy(p)>0.001)
      //if(std::abs(GetEnergy(m)-passive->GetEnergy(p))/passive->GetEnergy(p)>0.001)
      {
        SetData(m_tmp, passive->GetEnergy(p), passive->GetXsec(p));
        theManager.AppendScheme(m_tmp++, active->GetScheme(p));
      }
      p++;
    }
  }    

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void G4ParticleHPVector::Merge	(	G4InterpolationScheme	aScheme,
		G4double	aValue,
		G4ParticleHPVector *	active,
		G4ParticleHPVector *	passive
	)

Definition at line 233 of file G4ParticleHPVector.cc.

  { 
    // interpolate between labels according to aScheme, cut at aValue, 
    // continue in unknown areas by substraction of the last difference.
    
    CleanUp();
    G4int s_tmp = 0, n=0, m_tmp=0;
    G4ParticleHPVector * tmp;
    G4int a = s_tmp, p = n, t;
    while ( a<active->GetVectorLength() ) // Loop checking, 11.05.2015, T. Koi
    {
      if(active->GetEnergy(a) <= passive->GetEnergy(p))
      {
        G4double xa  = active->GetEnergy(a);
        G4double yy = theInt.Interpolate(aScheme, aValue, active->GetLabel(), passive->GetLabel(),
                                                          active->GetXsec(a), passive->GetXsec(xa));
        SetData(m_tmp, xa, yy);
        theManager.AppendScheme(m_tmp, active->GetScheme(a));
        m_tmp++;
        a++;
        G4double xp = passive->GetEnergy(p);
        //if( std::abs(std::abs(xp-xa)/xa)<0.0000001&&a<active->GetVectorLength() ) 
        if ( xa != 0 
          && std::abs(std::abs(xp-xa)/xa) < 0.0000001 
          && a < active->GetVectorLength() )
        {
          p++;
          tmp = active; t=a;
          active = passive; a=p;
          passive = tmp; p=t;
        }
      } else {
        tmp = active; t=a;
        active = passive; a=p;
        passive = tmp; p=t;
      }
    }
    
    G4double deltaX = passive->GetXsec(GetEnergy(m_tmp-1)) - GetXsec(m_tmp-1);
    while (p!=passive->GetVectorLength()&&passive->GetEnergy(p)<=aValue) // Loop checking, 11.05.2015, T. Koi
    {
      G4double anX;
      anX = passive->GetXsec(p)-deltaX;
      if(anX>0)
      {
        //if(std::abs(GetEnergy(m-1)-passive->GetEnergy(p))/passive->GetEnergy(p)>0.0000001)
        if ( passive->GetEnergy(p) == 0 
          || std::abs(GetEnergy(m_tmp-1)-passive->GetEnergy(p))/passive->GetEnergy(p) > 0.0000001 )
        {
          SetData(m_tmp, passive->GetEnergy(p), anX);
          theManager.AppendScheme(m_tmp++, passive->GetScheme(p));
        }
      }
      p++;
    }
    // Rebuild the Hash;
    if(theHash.Prepared()) 
    {
      ReHash();
    }
  }

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G4ParticleHPVector & G4ParticleHPVector::operator=

(

const G4ParticleHPVector &

right

)

Definition at line 125 of file G4ParticleHPVector.cc.

  {
    if(&right == this) return *this;
    
    G4int i;
    
    totalIntegral = right.totalIntegral;
    if(right.theIntegral!=0) theIntegral = new G4double[right.nEntries];
    for(i=0; i<right.nEntries; i++)
    {
      SetPoint(i, right.GetPoint(i)); // copy theData
      if(right.theIntegral!=0) theIntegral[i] = right.theIntegral[i];
    }
    theManager = right.theManager; 
    label = right.label;
  
    Verbose = right.Verbose;
    the15percentBorderCash = right.the15percentBorderCash;
    the50percentBorderCash = right.the50percentBorderCash;
    theHash = right.theHash;
   return *this;
  }

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void G4ParticleHPVector::ReHash ( )

inline

Definition at line 150 of file G4ParticleHPVector.hh.

  {
    theHash.Clear();
    Hash();
  }

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G4double G4ParticleHPVector::Sample

(

)

Definition at line 373 of file G4ParticleHPVector.cc.

  {
    G4double result;
    G4int j;
    for(j=0; j<GetVectorLength(); j++)
    {
      if(GetY(j)<0) SetY(j, 0);
    }
    
    if(theBuffered.size() !=0 && G4UniformRand()<0.5) 
    {
      result = theBuffered[0];
      theBuffered.erase(theBuffered.begin());
      if(result < GetX(GetVectorLength()-1) ) return result;
    }
    if(GetVectorLength()==1)
    {
      result = theData[0].GetX();
    }
    else
    {
      if(theIntegral==0) { IntegrateAndNormalise(); }
      G4int icounter=0;
      G4int icounter_max=1024;
      do
      {
        icounter++;
        if ( icounter > icounter_max ) {
       G4cout << "Loop-counter exceeded the threshold value at " << __LINE__ << "th line of " << __FILE__ << "." << G4endl;
           break;
        }
//080808
/*
        G4double rand;
        G4double value, test, baseline;
        baseline = theData[GetVectorLength()-1].GetX()-theData[0].GetX();
        do
        {
          value = baseline*G4UniformRand();
          value += theData[0].GetX();
          test = GetY(value)/maxValue;
          rand = G4UniformRand();
        }
        //while(test<rand);
        while( test < rand && test > 0 );
        result = value;
*/
        G4double rand;
        G4double value, test;
        G4int jcounter=0;
        G4int jcounter_max=1024;
        do 
        {
           jcounter++;
           if ( jcounter > jcounter_max ) {
          G4cout << "Loop-counter exceeded the threshold value at " << __LINE__ << "th line of " << __FILE__ << "." << G4endl;
              break;
           }
           rand = G4UniformRand();
           G4int ibin = -1;
           for ( G4int i = 0 ; i < GetVectorLength() ; i++ )
           {
              if ( rand < theIntegral[i] ) 
              {
                 ibin = i; 
                 break;
              }
           }
           if ( ibin < 0 ) G4cout << "TKDB 080807 " << rand << G4endl; 
           // result 
           rand = G4UniformRand();
           G4double x1, x2; 
           if ( ibin == 0 ) 
           {
              x1 = theData[ ibin ].GetX(); 
              value = x1; 
              break;
           }
           else 
           {
              x1 = theData[ ibin-1 ].GetX();
           }
           
           x2 = theData[ ibin ].GetX();
           value = rand * ( x2 - x1 ) + x1;
       //***********************************************************************
       /*
           test = GetY ( value ) / std::max ( GetY( ibin-1 ) , GetY ( ibin ) ); 
       */
       //***********************************************************************
       //EMendoza - Always linear interpolation:
       G4double y1=theData[ ibin-1 ].GetY();
           G4double y2=theData[ ibin ].GetY();
       G4double mval=(y2-y1)/(x2-x1);
       G4double bval=y1-mval*x1;
       test =(mval*value+bval)/std::max ( GetY( ibin-1 ) , GetY ( ibin ) ); 
       //***********************************************************************
        }
        while ( G4UniformRand() > test ); // Loop checking, 11.05.2015, T. Koi
        result = value;
//080807
      }
      while(IsBlocked(result)); // Loop checking, 11.05.2015, T. Koi
    }
    return result;
  }

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G4double G4ParticleHPVector::SampleLin ( )

inline

Definition at line 324 of file G4ParticleHPVector.hh.

  {
    G4double result;
    if(theIntegral==0) IntegrateAndNormalise();
    if(GetVectorLength()==1)
    {
      result = theData[0].GetX();
    }
    else
    {
      G4int i;
      G4double rand = G4UniformRand();
      
      // this was replaced 
//      for(i=1;i<GetVectorLength();i++)
//      {
//  if(rand<theIntegral[i]/theIntegral[GetVectorLength()-1]) break;
//      }

// by this (begin)
      for(i=GetVectorLength()-1; i>=0 ;i--)
      {
    if(rand>theIntegral[i]/theIntegral[GetVectorLength()-1]) break;
      }
      if(i!=GetVectorLength()-1) i++;
// until this (end)
      
      G4double x1, x2, y1, y2;
      y1 = theData[i-1].GetX();
      x1 = theIntegral[i-1];
      y2 = theData[i].GetX();
      x2 = theIntegral[i];
      if(std::abs((y2-y1)/y2)<0.0000001) // not really necessary, since the case is excluded by construction
      {
    y1 = theData[i-2].GetX();
    x1 = theIntegral[i-2];
      }
      result = theLin.Lin(rand, x1, x2, y1, y2);
    }
    return result;
  }

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void G4ParticleHPVector::SetData ( G4int  i, G4double  x, G4double  y  )

inline

Definition at line 96 of file G4ParticleHPVector.hh.

  { 
//    G4cout <<"G4ParticleHPVector::SetData called"<<nPoints<<" "<<nEntries<<G4endl;
    Check(i);
    if(y>maxValue) maxValue=y;
    theData[i].SetData(x, y);
  }

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void G4ParticleHPVector::SetEnergy ( G4int  i, G4double  e  )

inline

Definition at line 108 of file G4ParticleHPVector.hh.

  {
    Check(i);
    theData[i].SetX(e);
  }

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void G4ParticleHPVector::SetInterpolationManager ( const G4InterpolationManager &  aManager )

inline

Definition at line 483 of file G4ParticleHPVector.hh.

  {
    theManager = aManager;
  }

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void G4ParticleHPVector::SetInterpolationManager ( G4InterpolationManager &  aMan )

inline

Definition at line 493 of file G4ParticleHPVector.hh.

  {
    theManager = aMan;
  }

void G4ParticleHPVector::SetLabel ( G4double  aLabel )

inline

Definition at line 251 of file G4ParticleHPVector.hh.

  {
    label = aLabel;
  }

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void G4ParticleHPVector::SetPoint ( G4int  i, const G4ParticleHPDataPoint &  it  )

inline

Definition at line 89 of file G4ParticleHPVector.hh.

  {
    G4double x = it.GetX();
    G4double y = it.GetY();
    SetData(i, x, y);
  }

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void G4ParticleHPVector::SetScheme ( G4int  aPoint, const G4InterpolationScheme &  aScheme  )

inline

Definition at line 498 of file G4ParticleHPVector.hh.

  {
    theManager.AppendScheme(aPoint, aScheme);
  }

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void G4ParticleHPVector::SetVerbose ( G4int  ff )

inline

Definition at line 71 of file G4ParticleHPVector.hh.

  {
    Verbose = ff;
  }

void G4ParticleHPVector::SetX ( G4int  i, G4double  e  )

inline

Definition at line 103 of file G4ParticleHPVector.hh.

  {
    Check(i);
    theData[i].SetX(e);
  }

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void G4ParticleHPVector::SetXsec ( G4int  i, G4double  x  )

inline

Definition at line 119 of file G4ParticleHPVector.hh.

  {
    Check(i);
    if(x>maxValue) maxValue=x;
    theData[i].SetY(x);
  }

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void G4ParticleHPVector::SetY ( G4int  i, G4double  x  )

inline

Definition at line 113 of file G4ParticleHPVector.hh.

  {
    Check(i);
    if(x>maxValue) maxValue=x;
    theData[i].SetY(x);
  }

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void G4ParticleHPVector::ThinOut

(

G4double

precision

)

Definition at line 296 of file G4ParticleHPVector.cc.

  {
    // anything in there?
    if(GetVectorLength()==0) return;
    // make the new vector
    G4ParticleHPDataPoint * aBuff = new G4ParticleHPDataPoint[nPoints];
    G4double x, x1, x2, y, y1, y2;
    G4int count = 0, current = 2, start = 1;
    
    // First element always goes and is never tested.
    aBuff[0] = theData[0];
    
    // Find the rest
    while(current < GetVectorLength()) // Loop checking, 11.05.2015, T. Koi
    {
      x1=aBuff[count].GetX();
      y1=aBuff[count].GetY();
      x2=theData[current].GetX();
      y2=theData[current].GetY();

      if ( x1-x2 == 0 ) {
      //Following block added for avoiding div 0 error on Release + G4FPE_DEBUG 
         for ( G4int j=start; j<current; j++ ) {
        x = theData[j].GetX();
        y = (y2+y1)/2.;
        if ( std::abs( y-theData[j].GetY() ) > precision*y ) {
            aBuff[++count] = theData[current-1]; // for this one, everything was fine
                start = current; // the next candidate
            break;
        }
         }
      } else {
      for(G4int j=start; j<current; j++)
      {
    x = theData[j].GetX();
    if(x1-x2 == 0) y = (y2+y1)/2.;
    else y = theInt.Lin(x, x1, x2, y1, y2);
    if (std::abs(y-theData[j].GetY())>precision*y)
    {
      aBuff[++count] = theData[current-1]; // for this one, everything was fine
          start = current; // the next candidate
      break;
    }
      }
      }
      current++ ;
    }
    // The last one also always goes, and is never tested.
    aBuff[++count] = theData[GetVectorLength()-1];
    delete [] theData;
    theData = aBuff;
    nEntries = count+1;
    
    // Rebuild the Hash;
    if(theHash.Prepared()) 
    {
      ReHash();
    }
  }

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void G4ParticleHPVector::Times ( G4double  factor )

inline

Definition at line 76 of file G4ParticleHPVector.hh.

  {
    G4int i;
    for(i=0; i<nEntries; i++)
    {
      theData[i].SetY(theData[i].GetY()*factor);
    }
    if(theIntegral!=0)
    {
      theIntegral[i] *= factor;
    }
  }

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Friends And Related Function Documentation

G4ParticleHPVector& operator+ ( G4ParticleHPVector &  left, G4ParticleHPVector &  right  )

friend

Definition at line 40 of file G4ParticleHPVector.cc.

  {
    G4ParticleHPVector * result = new G4ParticleHPVector;
    G4int j=0;
    G4double x;
    G4double y;
    G4int running = 0;
    for(G4int i=0; i<left.GetVectorLength(); i++)
    {
      while(j<right.GetVectorLength()) // Loop checking, 11.05.2015, T. Koi
      {
        if(right.GetX(j)<left.GetX(i)*1.001)
        {
          x = right.GetX(j);
          y = right.GetY(j)+left.GetY(x);
          result->SetData(running++, x, y);
          j++;
        }
        //else if(std::abs((right.GetX(j)-left.GetX(i))/(left.GetX(i)+right.GetX(j)))>0.001)
        else if( left.GetX(i)+right.GetX(j) == 0 
              || std::abs((right.GetX(j)-left.GetX(i))/(left.GetX(i)+right.GetX(j))) > 0.001 )
        {
          x = left.GetX(i);
          y = left.GetY(i)+right.GetY(x);
          result->SetData(running++, x, y);
          break;
        }
        else
        {
          break;
        }
      }
      if(j==right.GetVectorLength())
      {
        x = left.GetX(i);
        y = left.GetY(i)+right.GetY(x);
        result->SetData(running++, x, y);     
      }
    }
    result->ThinOut(0.02);
    return *result;
  }

---

The documentation for this class was generated from the following files:

• geant4.10.03.p01/source/processes/hadronic/models/particle_hp/include/G4ParticleHPVector.hh
• geant4.10.03.p01/source/processes/hadronic/models/particle_hp/src/G4ParticleHPVector.cc