Import Geant4 3.1.0 source tree

2016-06-08 16:03:00 +02:00
parent cfcb558cfe
commit 137e303ecc
2843 changed files with 37082 additions and 38426 deletions
@@ -5,9 +5,9 @@
 // based on the Program) you indicate your acceptance of this statement,
 // and all its terms.
 //
-// $Id: G4Hype.cc,v 1.5 2000/11/20 18:18:58 gcosmo Exp $
+// $Id: G4Hype.cc,v 1.6 2001/01/04 18:30:50 davidw Exp $
 // $Original: G4Hype.cc,v 1.0 1998/06/09 16:57:50 safai Exp $
-// GEANT4 tag $Name: geant4-03-00 $
+// GEANT4 tag $Name: geant4-03-01 $
 //
 // 
 // --------------------------------------------------------------------
@@ -842,9 +842,9 @@ G4double G4Hype::DistanceToOut( const G4ThreeVector& p,const G4ThreeVector& v,
 	}

 	//
-	// Nope. Get distance.
+	// Nope. Get distance. Beware of zero vz.
 	//
-	sBest = (halfLenZ - pz)/vz;
+	sBest = (vz > DBL_MIN) ? (halfLenZ - pz)/vz : kInfinity;
 	vBest = true;
 	
 	//