Import Geant4 10.2.0 source tree

2016-06-10 14:11:04 +02:00
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+//
+// ********************************************************************
+// * License and Disclaimer                                           *
+// *                                                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * institutes,nor the agencies providing financial support for this *
+// * work  make  any representation or  warranty, express or implied, *
+// * regarding  this  software system or assume any liability for its *
+// * use.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
+// *                                                                  *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration.                      *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
+// ********************************************************************
+//
+/*
+ * File:   G4FPYBiasedLightFragmentDist.cc
+ * Author: B. Wendt (wendbryc@isu.edu)
+ *
+ * Created on June 2, 2011, 11:02 AM
+ */
+ 
+#include "G4Ions.hh"
+#include "Randomize.hh"
+#include "globals.hh"
+
+#include "G4FFGDebuggingMacros.hh"
+#include "G4FFGEnumerations.hh"
+#include "G4FPYBiasedLightFragmentDist.hh"
+#include "G4FissionProductYieldDist.hh"
+
+G4FPYBiasedLightFragmentDist::
+G4FPYBiasedLightFragmentDist( G4int WhichIsotope,
+                              G4FFGEnumerations::MetaState WhichMetaState,
+                              G4FFGEnumerations::FissionCause WhichCause,
+                              G4FFGEnumerations::YieldType WhichYieldType,
+                              std::istringstream& dataStream )
+:   G4FissionProductYieldDist( WhichIsotope,
+                               WhichMetaState,
+                               WhichCause,
+                               WhichYieldType,
+                               dataStream)
+{
+    // Initialize the class
+    Initialize();
+}
+
+G4FPYBiasedLightFragmentDist::
+G4FPYBiasedLightFragmentDist( G4int WhichIsotope,
+                              G4FFGEnumerations::MetaState WhichMetaState,
+                              G4FFGEnumerations::FissionCause WhichCause,
+                              G4FFGEnumerations::YieldType WhichYieldType,
+                              G4int Verbosity,
+                              std::istringstream& dataStream)
+:   G4FissionProductYieldDist( WhichIsotope,
+                               WhichMetaState,
+                               WhichCause,
+                               WhichYieldType,
+                               Verbosity,
+                               dataStream )
+{
+    // Initialize the class
+    Initialize();
+}
+
+void G4FPYBiasedLightFragmentDist::
+Initialize( void )
+{
+G4FFG_FUNCTIONENTER__
+
+    // Initialize the half-weight for fission product sampling
+    HalfWeight_ = (G4int)floor((Isotope_ % 1000) / 2.0);
+
+G4FFG_FUNCTIONLEAVE__
+}
+
+G4Ions* G4FPYBiasedLightFragmentDist::
+GetFissionProduct( void )
+{
+G4FFG_FUNCTIONENTER__
+
+    G4Ions* Particle;
+    G4bool IsHeavy;
+    G4bool IsNotFeasable;
+    G4int Counter;
+
+    Counter = 0;
+    do
+    {
+        // If we have sampled too many times then we may need to do something else
+        if(Counter == 1000)
+        {
+            Particle = NULL;
+            break;
+        }
+        
+        // Generate a (0, 1] random number, then find the corresponding particle
+        Particle =  FindParticle(RandomEngine_->G4SampleUniform());
+
+        // If the daughter is heavier than half of the original nucleus weight
+        // or not physically feasable then set the flags to sample again
+        IsHeavy = (Particle->GetAtomicMass() > HalfWeight_);
+        IsNotFeasable = (Particle->GetAtomicMass() > RemainingA_ + 1
+            || Particle->GetAtomicNumber() > RemainingZ_ + 1);
+    } while (IsHeavy || IsNotFeasable); // Loop checking, 11.05.2015, T. Koi
+    
+    // Something went wrong, so figure out how to fix it
+    if(Particle == NULL)
+    {
+        /// \todo   Figure out what to do if a suitable particle is not found in 1000 iterations
+    }
+
+    // Return the G4ParticleDefintion pointer to the random light fragment
+G4FFG_FUNCTIONLEAVE__
+    return Particle;
+}
+
+G4FPYBiasedLightFragmentDist::~G4FPYBiasedLightFragmentDist( void )
+{
+G4FFG_FUNCTIONENTER__
+
+    // Empty - all the data elements to be deconstructed are removed by
+    // ~G4FissionProductYieldDist()
+G4FFG_FUNCTIONLEAVE__
+}