Import Geant4 0.0.0 source tree

2016-06-01 15:25:35 +02:00
parent 54d6b71f95
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+// This code implementation is the intellectual property of
+// the RD44 GEANT4 collaboration.
+//
+// By copying, distributing or modifying the Program (or any work
+// based on the Program) you indicate your acceptance of this statement,
+// and all its terms.
+//
+// $Id: G4TrackStack.cc,v 2.1 1998/07/12 02:54:07 urbi Exp $
+// GEANT4 tag $Name: geant4-00 $
+//
+//
+//  Last Modification : 09/Dec/96 M.Asai
+//
+
+#include "G4TrackStack.hh"
+
+G4TrackStack::G4TrackStack()
+:n_stackedTrack(0),firstStackedTrack(NULL),lastStackedTrack(NULL)
+{;}
+
+G4TrackStack::~G4TrackStack()
+{;}
+
+const G4TrackStack & G4TrackStack::operator=(const G4TrackStack &right) 
+{
+  n_stackedTrack = right.n_stackedTrack;
+  firstStackedTrack = right.firstStackedTrack;
+  lastStackedTrack = right.lastStackedTrack;
+  return *this; 
+}
+
+int G4TrackStack::operator==(const G4TrackStack &right) const
+{ return (firstStackedTrack==right.firstStackedTrack); }
+int G4TrackStack::operator!=(const G4TrackStack &right) const
+{ return (firstStackedTrack!=right.firstStackedTrack); }
+
+void G4TrackStack::TransferTo(G4TrackStack * aStack)
+{
+  if(n_stackedTrack==0) return;
+
+  if(aStack->n_stackedTrack == 0)
+  {
+    *aStack = *this;
+  }
+  else
+  {
+    aStack->lastStackedTrack->SetNext( firstStackedTrack );
+    firstStackedTrack->SetPrevious( aStack->lastStackedTrack );
+    aStack->lastStackedTrack = lastStackedTrack;
+    aStack->n_stackedTrack += n_stackedTrack;
+  }
+
+  n_stackedTrack = 0;
+  firstStackedTrack = NULL;
+  lastStackedTrack = NULL;
+}
+
+G4StackedTrack * G4TrackStack::PopFromStack()
+{
+  if( n_stackedTrack == 0 ) return NULL;
+  G4StackedTrack * aStackedTrack = lastStackedTrack;
+  GrabFromStack( aStackedTrack );
+  return aStackedTrack;
+}
+
+void G4TrackStack::PushToStack( G4StackedTrack * aStackedTrack )
+{
+  if( n_stackedTrack == 0 )
+  {
+    aStackedTrack->SetPrevious( NULL );
+    firstStackedTrack = aStackedTrack;
+  }
+  else
+  {
+    lastStackedTrack->SetNext( aStackedTrack );
+    aStackedTrack->SetPrevious( lastStackedTrack );
+  }
+  lastStackedTrack = aStackedTrack;
+  n_stackedTrack++;
+}
+
+void G4TrackStack::GrabFromStack( G4StackedTrack * aStackedTrack )
+{
+  if( n_stackedTrack == 1 )
+  {
+    firstStackedTrack = NULL;
+    lastStackedTrack = NULL;
+  }
+  else
+  {
+    if( aStackedTrack == firstStackedTrack )
+    {
+      firstStackedTrack = aStackedTrack->GetNext();
+      firstStackedTrack->SetPrevious( NULL );
+    }
+    else
+    {
+      if( aStackedTrack == lastStackedTrack )
+      {
+        lastStackedTrack = aStackedTrack->GetPrevious();
+        lastStackedTrack->SetNext( NULL );
+      }
+      else
+      {
+        aStackedTrack->GetPrevious()
+          ->SetNext( aStackedTrack->GetNext() );
+        aStackedTrack->GetNext()
+          ->SetPrevious( aStackedTrack->GetPrevious() );
+      }
+    }
+  }
+  n_stackedTrack--;
+}
+
+void G4TrackStack::clear()
+{
+  G4StackedTrack * aStackedTrack = firstStackedTrack;
+  G4StackedTrack * nextStackedTrack;
+
+  if ( n_stackedTrack == 0 ) return;
+
+  // delete tracks in the stack
+  while( aStackedTrack != NULL )
+  {
+    nextStackedTrack = aStackedTrack->GetNext();
+    delete aStackedTrack->GetTrack();
+    delete aStackedTrack;
+    aStackedTrack = nextStackedTrack;
+  }
+  n_stackedTrack = 0;
+  firstStackedTrack = NULL;
+  lastStackedTrack = NULL;
+}
+
+