G4LPhysicsFreeVector.cc

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// $Id$
//
// 
// --------------------------------------------------------------------
// Class G4LPhysicsFreeVector
// Derived from base class G4PhysicsVector
// This is a free vector for Low Energy Physics cross section data
//
// F.W. Jones, TRIUMF, 04-JUN-96
// 
// Modified:
//    19 Jun. 2009, V.Ivanchenko : removed hidden bin 
//
// --------------------------------------------------------------------

#include "G4LPhysicsFreeVector.hh"
#include "G4SystemOfUnits.hh"
#include "G4ios.hh"

// --------------------------------------------------------------------

G4LPhysicsFreeVector::G4LPhysicsFreeVector()
   : G4PhysicsVector()
{
   type = T_G4LPhysicsFreeVector;
}

// --------------------------------------------------------------------

G4LPhysicsFreeVector::G4LPhysicsFreeVector(size_t nbin,
                                           G4double binmin,
                                           G4double binmax)
  : G4PhysicsVector()
{
   type = T_G4LPhysicsFreeVector;
   
   edgeMin = binmin;
   edgeMax = binmax;
   numberOfNodes = nbin;
   binVector.reserve(numberOfNodes);
   dataVector.reserve(numberOfNodes);
   for (size_t i=0; i<numberOfNodes; i++)
   {
     binVector.push_back(0.0);
     dataVector.push_back(0.0);
   }
}  

// --------------------------------------------------------------------

G4LPhysicsFreeVector::~G4LPhysicsFreeVector()
{
}

// --------------------------------------------------------------------

void G4LPhysicsFreeVector::DumpValues()
{
   for (size_t i = 0; i < numberOfNodes; i++)
   {
      G4cout << binVector[i] << "   " << dataVector[i]/millibarn << G4endl;
   }
}

// --------------------------------------------------------------------

size_t G4LPhysicsFreeVector::FindBinLocation(G4double theEnergy) const
{
   G4int n1 = 0;
   G4int n2 = numberOfNodes/2;
   G4int n3 = numberOfNodes - 1;
   while (n1 != n3 - 1)
   {
      if (theEnergy > binVector[n2])
         { n1 = n2; }
      else
         { n3 = n2; }
      n2 = n1 + (n3 - n1 + 1)/2;
   }
#ifdef G4VERBOSE
   if (verboseLevel > 1)
   {
     G4cout << "G4LPhysicsFreeVector::FindBinLocation:  returning "
            << n1 << G4endl;
   }
#endif
   return (size_t)n1;
}

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