proper seedings

2024-08-22 15:50:24 +02:00
parent 3aa8f67742
commit d8f3a3720a
4 changed files with 28 additions and 32 deletions
@@ -9,7 +9,7 @@

 #include <ctime>

-void G4System::init(GeometryDescriptor &CW){
+void G4System::init(GeometryDescriptor &CW, int seed){

  if(CW.isAssigned()){
    throw std::runtime_error("GeometryDescriptor already assigned");
@@ -28,7 +28,9 @@ void G4System::init(GeometryDescriptor &CW){

  bool first_init=true;

-  int seed=std::time(NULL) ;
+  if(seed < 0){
+    seed = std::time(NULL);
+  }
  CLHEP::HepRandom::setTheSeed(seed); G4Random::setTheSeed(seed);