Merge branch '79-either-remove-or-fix-nullmodel' into 'master'

Resolve "Either remove or fix NullModel"

Closes #79

See merge request AirShowerPhysics/corsika!34

Stack/SuperStupidStack/SuperStupidStack.h

@@ -71,7 +71,7 @@ namespace corsika::stack {
       Point GetPosition() const { return GetStackData().GetPosition(GetIndex()); }
       TimeType GetTime() const { return GetStackData().GetTime(GetIndex()); }
 
-#warning this does not really work, nor make sense:
+#warning this does not really work, nor makes sense:
       Vector<SpeedType::dimension_type> GetDirection() const {
         auto P = GetMomentum();
         return P / P.norm() * 1e10 * (units::si::meter / units::si::second);
@@ -139,7 +139,7 @@ namespace corsika::stack {
         fDataE.push_back(0 * joule);
         //#TODO this here makes no sense: see issue #48
         geometry::CoordinateSystem& dummyCS =
-            geometry::RootCoordinateSystem::GetInstance().GetRootCS();
+            geometry::RootCoordinateSystem::GetInstance().GetRootCoordinateSystem();
         fMomentum.push_back(MomentumVector(
             dummyCS, {0 * newton_second, 0 * newton_second, 0 * newton_second}));
         fPosition.push_back(Point(dummyCS, {0 * meter, 0 * meter, 0 * meter}));

Stack/SuperStupidStack/testSuperStupidStack.cc

@@ -35,7 +35,7 @@ TEST_CASE("SuperStupidStack", "[stack]") {
     p.SetPID(particles::Code::Electron);
     p.SetEnergy(1.5_GeV);
     geometry::CoordinateSystem& dummyCS =
-        geometry::RootCoordinateSystem::GetInstance().GetRootCS();
+        geometry::RootCoordinateSystem::GetInstance().GetRootCoordinateSystem();
     p.SetMomentum(MomentumVector(
         dummyCS, {1 * newton_second, 1 * newton_second, 1 * newton_second}));
     p.SetPosition(Point(dummyCS, {1 * meter, 1 * meter, 1 * meter}));