Rename UrQMD random number stream (from UrQMD to urqmd).

Documentation/Examples/vertical_EAS.cc

@@ -59,7 +59,7 @@ void registerRandomStreams() {
   random::RNGManager::GetInstance().RegisterRandomStream("qgran");
   random::RNGManager::GetInstance().RegisterRandomStream("sibyll");
   random::RNGManager::GetInstance().RegisterRandomStream("pythia");
-  random::RNGManager::GetInstance().RegisterRandomStream("UrQMD");
+  random::RNGManager::GetInstance().RegisterRandomStream("urqmd");
 
   random::RNGManager::GetInstance().SeedAll();
 }

Processes/UrQMD/UrQMD.cc

@@ -358,7 +358,7 @@ corsika::process::EProcessReturn UrQMD::DoInteraction(SetupProjectile& projectil
  */
 double corsika::process::UrQMD::ranf_(int&) {
   static corsika::random::RNG& rng =
-      corsika::random::RNGManager::GetInstance().GetRandomStream("UrQMD");
+      corsika::random::RNGManager::GetInstance().GetRandomStream("urqmd");
   static std::uniform_real_distribution<double> dist;
 
   return dist(rng);

Processes/UrQMD/UrQMD.h

@@ -46,10 +46,11 @@ namespace corsika::process::UrQMD {
     bool CanInteract(particles::Code) const;
 
   private:
+
     void readXSFile(std::string const&);
 
     corsika::random::RNG& rng_ =
-        corsika::random::RNGManager::GetInstance().GetRandomStream("UrQMD");
+        corsika::random::RNGManager::GetInstance().GetRandomStream("urqmd");
 
     std::uniform_int_distribution<int> booleanDist_{0, 1};
     boost::multi_array<corsika::units::si::CrossSectionType, 3> xs_interp_support_table_;

Processes/UrQMD/testUrQMD.cc

@@ -130,7 +130,7 @@ TEST_CASE("UrQMD") {
   }
 
   feenableexcept(FE_INVALID);
-  corsika::random::RNGManager::GetInstance().RegisterRandomStream("UrQMD");
+  corsika::random::RNGManager::GetInstance().RegisterRandomStream("urqmd");
   UrQMD urqmd;
 
   SECTION("interaction length") {