diff --git a/Documentation/Examples/geometry_example.cc b/Documentation/Examples/geometry_example.cc
index 4c38d1dbfce534385482f480804ec1cd4ed62ae5..da23d81e02baae5381358ff13b12f93d071c5dfe 100644
--- a/Documentation/Examples/geometry_example.cc
+++ b/Documentation/Examples/geometry_example.cc
@@ -22,8 +22,8 @@ using namespace corsika::units::si;
 
 int main() {
 
-  std::cout << "geometry_example" << std::endl;    
-  
+  std::cout << "geometry_example" << std::endl;
+
   // define the root coordinate system
   geometry::CoordinateSystem& root =
       geometry::RootCoordinateSystem::GetInstance().GetRootCoordinateSystem();
diff --git a/Documentation/Examples/helix_example.cc b/Documentation/Examples/helix_example.cc
index d200cc99678942c427bc3e1a769430d9810ac833..9f3eba67e610c87f63f193b3db3aad5978eda4fc 100644
--- a/Documentation/Examples/helix_example.cc
+++ b/Documentation/Examples/helix_example.cc
@@ -22,7 +22,7 @@ using namespace corsika::units::si;
 int main() {
 
   std::cout << "helix_example" << std::endl;
-  
+
   geometry::CoordinateSystem& root =
       geometry::RootCoordinateSystem::GetInstance().GetRootCoordinateSystem();
 
diff --git a/Documentation/Examples/particle_list_example.cc b/Documentation/Examples/particle_list_example.cc
index 5aefdd41401a4b6ecd67e737f1984166534c3bf3..342c08e7ff6e7cceec63f2aa3583f5fb46199297 100644
--- a/Documentation/Examples/particle_list_example.cc
+++ b/Documentation/Examples/particle_list_example.cc
@@ -27,7 +27,7 @@ using namespace std;
 int main() {
 
   std::cout << "particle_list_example" << std::endl;
-  
+
   cout << "------------------------------------------"
        << "particles in CORSIKA"
        << "------------------------------------------" << endl;
diff --git a/Documentation/Examples/stack_example.cc b/Documentation/Examples/stack_example.cc
index dd7de9274ab51f2d0b2d6af55deea35ded47be42..cc638dbe8e622f27db71210a109784a0f4de7eff 100644
--- a/Documentation/Examples/stack_example.cc
+++ b/Documentation/Examples/stack_example.cc
@@ -51,7 +51,7 @@ void read(corsika::stack::super_stupid::SuperStupidStack& s) {
 int main() {
 
   std::cout << "stack_example" << std::endl;
-  
+
   corsika::stack::super_stupid::SuperStupidStack s;
   fill(s);
   read(s);
diff --git a/Documentation/Examples/staticsequence_example.cc b/Documentation/Examples/staticsequence_example.cc
index 5959ca5f8fb0c5bcb2dba8a371995cdcb7b4116b..ca75fe4b22172488675fddca7601748acf8e3214 100644
--- a/Documentation/Examples/staticsequence_example.cc
+++ b/Documentation/Examples/staticsequence_example.cc
@@ -102,7 +102,7 @@ void modular() {
 int main() {
 
   std::cout << "staticsequence_example" << std::endl;
-  
+
   modular();
   return 0;
 }
diff --git a/Documentation/Examples/stopping_power.cc b/Documentation/Examples/stopping_power.cc
index 4499aaa746974a61af252d6bff74a8942e26cb4e..f35584827a82851e939754c90fec40f404176113 100644
--- a/Documentation/Examples/stopping_power.cc
+++ b/Documentation/Examples/stopping_power.cc
@@ -35,7 +35,7 @@ using namespace corsika::units::si;
 int main() {
 
   std::cout << "stopping_power" << std::endl;
-  
+
   feenableexcept(FE_INVALID);
 
   // setup environment, geometry
diff --git a/Framework/Cascade/testCascade.cc b/Framework/Cascade/testCascade.cc
index 9db2c73ccba340df465f7ac75c518d163fef6cd2..57d565d55f68948ad4cf9f0e4a4db4a757da687a 100644
--- a/Framework/Cascade/testCascade.cc
+++ b/Framework/Cascade/testCascade.cc
@@ -77,11 +77,13 @@ public:
     view.AddSecondary(
         std::tuple<particles::Code, units::si::HEPEnergyType,
                    corsika::stack::MomentumVector, geometry::Point, units::si::TimeType>{
-            projectile.GetPID(), E / 2, projectile.GetMomentum(), projectile.GetPosition(), projectile.GetTime()});
+            projectile.GetPID(), E / 2, projectile.GetMomentum(),
+            projectile.GetPosition(), projectile.GetTime()});
     view.AddSecondary(
         std::tuple<particles::Code, units::si::HEPEnergyType,
                    corsika::stack::MomentumVector, geometry::Point, units::si::TimeType>{
-            projectile.GetPID(), E / 2, projectile.GetMomentum(), projectile.GetPosition(), projectile.GetTime()});
+            projectile.GetPID(), E / 2, projectile.GetMomentum(),
+            projectile.GetPosition(), projectile.GetTime()});
     return EProcessReturn::eInteracted;
   }
 
diff --git a/Framework/StackInterface/SecondaryView.h b/Framework/StackInterface/SecondaryView.h
index 6061fa1baf3a87341ed47ae96b7a59f6cf7a2b91..27f8dc6f316a818f5d22a7f97bbb855c29e48fb7 100644
--- a/Framework/StackInterface/SecondaryView.h
+++ b/Framework/StackInterface/SecondaryView.h
@@ -78,7 +78,7 @@ namespace corsika::stack {
                                ParticleInterface, InnerStackTypeValue>;
     using ConstStackIteratorValue =
         ConstStackIteratorInterface<typename std::remove_reference<StackDataType>::type,
-                               ParticleInterface, InnerStackTypeValue>;
+                                    ParticleInterface, InnerStackTypeValue>;
     /// @}
 
     using StackIterator =
@@ -123,7 +123,6 @@ namespace corsika::stack {
         , inner_stack_(vI.GetStack())
         , projectile_index_(vI.GetIndex()) {}
 
-
     /**
      * This returns the projectile/parent in the original Stack, where this
      * SecondaryView is derived from. This projectile should not be
@@ -142,8 +141,8 @@ namespace corsika::stack {
       // NOTE: 0 is special marker here for PROJECTILE, see GetIndexFromIterator
       return StackIterator(*this, 0);
     }
-  public:
 
+  public:
     template <typename... Args>
     StackIterator AddSecondary(const Args... v) {
       StackIterator proj = GetProjectile();
diff --git a/Framework/StackInterface/StackIteratorInterface.h b/Framework/StackInterface/StackIteratorInterface.h
index 010d1fe1e53bbb7d8aa27352069390f80d20b7e6..840962e1aca73e4845e1b371f8ffcc29a8295ef5 100644
--- a/Framework/StackInterface/StackIteratorInterface.h
+++ b/Framework/StackInterface/StackIteratorInterface.h
@@ -24,8 +24,8 @@ namespace corsika::stack {
   class SecondaryView; // forward decl
 
   template <typename TStackData, template <typename> typename TParticleInterface,
-    typename StackType>
-    class ConstStackIteratorInterface; // forward decl
+            typename StackType>
+  class ConstStackIteratorInterface; // forward decl
 
   /**
      @class StackIteratorInterface
@@ -86,13 +86,14 @@ namespace corsika::stack {
     friend class SecondaryView<TStackData,
                                TParticleInterface>; // access for SecondaryView
 
-  template <typename T>
-  friend class corsika::history::HistorySecondaryView;
+    template <typename T>
+    friend class corsika::history::HistorySecondaryView;
+
+    friend class ConstStackIteratorInterface<TStackData, TParticleInterface, StackType>;
 
-  friend class ConstStackIteratorInterface<TStackData, TParticleInterface, StackType>;
-  
   protected:
     unsigned int index_ = 0;
+
   private:
     StackType* data_ = 0; // info: Particles and StackIterators become invalid when parent
                           // Stack is copied or deleted!
@@ -175,10 +176,18 @@ namespace corsika::stack {
     StackIteratorInterface operator+(int delta) const {
       return StackIteratorInterface(*data_, index_ + delta);
     }
-    bool operator==(const StackIteratorInterface& rhs) const { return index_ == rhs.index_; }
-    bool operator!=(const StackIteratorInterface& rhs) const { return index_ != rhs.index_; }
-  bool operator==(const ConstStackIteratorInterface<TStackData, TParticleInterface, StackType>& rhs) const; // implement below
-  bool operator!=(const ConstStackIteratorInterface<TStackData, TParticleInterface, StackType>& rhs) const; // implement below
+    bool operator==(const StackIteratorInterface& rhs) const {
+      return index_ == rhs.index_;
+    }
+    bool operator!=(const StackIteratorInterface& rhs) const {
+      return index_ != rhs.index_;
+    }
+    bool operator==(
+        const ConstStackIteratorInterface<TStackData, TParticleInterface, StackType>& rhs)
+        const; // implement below
+    bool operator!=(
+        const ConstStackIteratorInterface<TStackData, TParticleInterface, StackType>& rhs)
+        const; // implement below
 
     /**
      * Convert iterator to value type, where value type is the user-provided particle
@@ -248,6 +257,7 @@ namespace corsika::stack {
 
   protected:
     unsigned int index_ = 0;
+
   private:
     const StackType* data_ = 0; // info: Particles and StackIterators become invalid when
                                 // parent Stack is copied or deleted!
@@ -295,7 +305,7 @@ namespace corsika::stack {
       return tmp;
     }
     ConstStackIteratorInterface operator+(const int delta) const {
-      return ConstStackIteratorInterface(*data_, index_+delta);
+      return ConstStackIteratorInterface(*data_, index_ + delta);
     }
     bool operator==(const ConstStackIteratorInterface& rhs) const {
       return index_ == rhs.index_;
@@ -303,8 +313,14 @@ namespace corsika::stack {
     bool operator!=(const ConstStackIteratorInterface& rhs) const {
       return index_ != rhs.index_;
     }
-    bool operator==(const StackIteratorInterface<TStackData, TParticleInterface, StackType>& rhs) const { return index_ == rhs.index_; }
-    bool operator!=(const StackIteratorInterface<TStackData, TParticleInterface, StackType>& rhs) const { return index_ != rhs.index_; }
+    bool operator==(const StackIteratorInterface<TStackData, TParticleInterface,
+                                                 StackType>& rhs) const {
+      return index_ == rhs.index_;
+    }
+    bool operator!=(const StackIteratorInterface<TStackData, TParticleInterface,
+                                                 StackType>& rhs) const {
+      return index_ != rhs.index_;
+    }
 
     const ParticleInterfaceType& operator*() const {
       return static_cast<const ParticleInterfaceType&>(*this);
@@ -326,13 +342,20 @@ namespace corsika::stack {
     ///@}
   }; // end class ConstStackIterator
 
-
-    template <typename TStackData, template <typename> typename TParticleInterface,
+  template <typename TStackData, template <typename> typename TParticleInterface,
             typename StackType>
-  bool StackIteratorInterface<TStackData, TParticleInterface, StackType>::operator==(const ConstStackIteratorInterface<TStackData, TParticleInterface, StackType>& rhs) const { return index_ == rhs.index_; }
+  bool StackIteratorInterface<TStackData, TParticleInterface, StackType>::operator==(
+      const ConstStackIteratorInterface<TStackData, TParticleInterface, StackType>& rhs)
+      const {
+    return index_ == rhs.index_;
+  }
 
-      template <typename TStackData, template <typename> typename TParticleInterface,
+  template <typename TStackData, template <typename> typename TParticleInterface,
             typename StackType>
-  bool StackIteratorInterface<TStackData, TParticleInterface, StackType>::operator!=(const ConstStackIteratorInterface<TStackData, TParticleInterface, StackType>& rhs) const { return index_ != rhs.index_; }
+  bool StackIteratorInterface<TStackData, TParticleInterface, StackType>::operator!=(
+      const ConstStackIteratorInterface<TStackData, TParticleInterface, StackType>& rhs)
+      const {
+    return index_ != rhs.index_;
+  }
 
 } // namespace corsika::stack
diff --git a/Processes/CONEXSourceCut/CONEXSourceCut.cc b/Processes/CONEXSourceCut/CONEXSourceCut.cc
index 7a0da45a726bbf40e69aab6264baa288968d47ec..8039d8ed867053756f631a950815aaf50d9c380f 100644
--- a/Processes/CONEXSourceCut/CONEXSourceCut.cc
+++ b/Processes/CONEXSourceCut/CONEXSourceCut.cc
@@ -31,11 +31,11 @@ corsika::process::EProcessReturn CONEXSourceCut::DoSecondaries(
                                  [=](auto const& p) { return pid == p.first; });
     if (it != egs_em_codes_.cend()) {
       // EM particle
-    
+
       auto const egs_pid = it->second;
 
       addParticle(egs_pid, p.GetEnergy(), p.GetMass(), p.GetPosition(),
-		  p.GetMomentum().normalized(), p.GetTime());
+                  p.GetMomentum().normalized(), p.GetTime());
 
       p.Delete();
     }
diff --git a/Setup/SetupStack.h b/Setup/SetupStack.h
index 6feb7cfbe33ce319d2c798c55cf844234c27270e..9ec7a86a4a106f83553222a9af915d15022ba44f 100644
--- a/Setup/SetupStack.h
+++ b/Setup/SetupStack.h
@@ -95,7 +95,7 @@ namespace corsika::setup {
 
     // ------------------------------------------
     // add geometry node tracking data to stack:
-    
+
     // the GeometryNode stack needs to know the type of geometry-nodes from the
     // environment:
     template <typename TStackIter>
@@ -114,26 +114,24 @@ namespace corsika::setup {
         corsika::stack::node::GeometryData<setup::SetupEnvironment>,
         StackWithGeometryInterface>;
 
-
     // ------------------------------------------
     // Add [optional] history data to stack, too:
 
     // combine dummy stack with geometry information for tracking
     template <typename TStackIter>
     using StackWithHistoryInterface = corsika::stack::CombinedParticleInterface<
-      StackWithGeometry::PIType, history::HistoryEventDataInterface,
-      TStackIter>;
+        StackWithGeometry::PIType, history::HistoryEventDataInterface, TStackIter>;
+
+    using StackWithHistory =
+        corsika::stack::CombinedStack<typename StackWithGeometry::StackImpl,
+                                      history::HistoryEventData,
+                                      StackWithHistoryInterface>;
 
-    using StackWithHistory = corsika::stack::CombinedStack<
-    typename StackWithGeometry::StackImpl,
-    history::HistoryEventData, StackWithHistoryInterface>;
-    
   } // namespace detail
 
-  
   // ---------------------------------------
   // this is the FINAL stack we use in C8:
-  //using Stack = detail::StackWithGeometry;
+  // using Stack = detail::StackWithGeometry;
   using Stack = detail::StackWithHistory;
 
   /*