Import Geant4 10.5.1 source tree

source/processes/decay/History

@@ -16,6 +16,9 @@ committal in the CVS repository !
      * Reverse chronological order (last date on top), please *
      ----------------------------------------------------------
 
+- 14 December 2018 Makoto Asai (decay-V10-04-00)
+- G4Decay.cc, G4UnknownDecay : Allowing absolute zero proper decay time.
+
 - 12 September 2017 Krzysztof Genser (decay-V10-03-04)
 - Moved Muonic Atom files to processes/hadronic/stopping
 - Replaced DECAY_MuonicAtomDecay process type with DECAY_MuAtom

source/processes/decay/src/G4Decay.cc

@@ -454,7 +454,7 @@ G4double G4Decay::PostStepGetPhysicalInteractionLength(
     //pre-assigned Decay time case
     // reminder proper time
     fRemainderLifeTime = pTime - track.GetProperTime();
-    if (fRemainderLifeTime <= 0.0) fRemainderLifeTime = DBL_MIN;
+    if (fRemainderLifeTime <= 0.0) fRemainderLifeTime = 0.0;
     
     G4double  rvalue=0.0; 
     // use pre-assigned Decay time to determine PIL

source/processes/decay/src/G4UnknownDecay.cc

@@ -71,7 +71,7 @@ G4bool G4UnknownDecay::IsApplicable(const G4ParticleDefinition& aParticleType)
 
 G4double G4UnknownDecay::GetMeanFreePath(const G4Track& /*aTrack*/,G4double, G4ForceCondition*)
 {
-   return  DBL_MIN;
+   return 0.0;
 }
 
 void G4UnknownDecay::BuildPhysicsTable(const G4ParticleDefinition&)
@@ -131,7 +131,7 @@ G4VParticleChange* G4UnknownDecay::DecayIt(const G4Track& aTrack, const G4Step&
   G4double finalGlobalTime = aTrack.GetGlobalTime();
   //boost all decay products to laboratory frame
   //if the particle has traveled 
-  if(aParticle->GetPreAssignedDecayProperTime()>0.) {
+  if(aParticle->GetPreAssignedDecayProperTime()>=0.) {
     products->Boost( ParentEnergy, ParentDirection);
   }