diff --git a/corsika/detail/framework/geometry/Path.inl b/corsika/detail/framework/geometry/Path.inl
index 3676d13577cd22d59d8c4299bf2129d4fb926cee..13e38f33ea230cceb1f76c432cbaf0b5b02cef8f 100644
--- a/corsika/detail/framework/geometry/Path.inl
+++ b/corsika/detail/framework/geometry/Path.inl
@@ -13,26 +13,22 @@
 
 namespace corsika {
 
-  Path::Path(Point const& point) {
-  points_.push_front(point);
-  }
+  Path::Path(Point const& point) { points_.push_front(point); }
 
   Path::Path(std::deque<Point> const& points)
-  : points_(points) {
-      int dequesize_ = points.size();
-      if (dequesize_ == 0 || dequesize_ == 1) {
-        length_ = LengthType::zero();
-      }
-      else if (dequesize_ == 2) {
-        length_ = (points.back() - points.front()).getNorm();
-      }
-      else {
-        for (auto point = points.begin(); point !=  points.end() - 1; ++point) {
-          auto point_next = *(point+1);
-          auto point_now = *(point);
-          length_ += (point_next - point_now).getNorm();
-        }
+      : points_(points) {
+    int dequesize_ = points.size();
+    if (dequesize_ == 0 || dequesize_ == 1) {
+      length_ = LengthType::zero();
+    } else if (dequesize_ == 2) {
+      length_ = (points.back() - points.front()).getNorm();
+    } else {
+      for (auto point = points.begin(); point != points.end() - 1; ++point) {
+        auto point_next = *(point + 1);
+        auto point_now = *(point);
+        length_ += (point_next - point_now).getNorm();
       }
+    }
   }
 
   inline void Path::AddToEnd(Point const& point) {
@@ -46,28 +42,20 @@ namespace corsika {
     int dequesize_ = points_.size();
     if (dequesize_ == 0 || dequesize_ == 1) {
       length_ = LengthType::zero();
-    }
-    else if (dequesize_ == 2) {
+    } else if (dequesize_ == 2) {
       length_ = (points_.back() - points_.front()).getNorm();
+    } else {
+      length_ -= (lastpoint_ - points_.back()).getNorm();
     }
-    else { length_ -= (lastpoint_ - points_.back()).getNorm(); }
   }
 
-  inline LengthType Path::GetLength() const {
-    return length_;
-  }
+  inline LengthType Path::GetLength() const { return length_; }
 
-  inline Point Path::GetStart() const {
-    return points_.front();
-  }
+  inline Point Path::GetStart() const { return points_.front(); }
 
-  inline Point Path::GetEnd() const {
-    return points_.back();
-  }
+  inline Point Path::GetEnd() const { return points_.back(); }
 
-  inline Point Path::GetPoint(std::size_t const index) const {
-    return points_.at(index);
-  }
+  inline Point Path::GetPoint(std::size_t const index) const { return points_.at(index); }
 
   inline auto Path::begin() { return points_.begin(); }
 
diff --git a/corsika/detail/media/ExponentialRefractiveIndex.inl b/corsika/detail/media/ExponentialRefractiveIndex.inl
index ce2504872ba36091d9c0bb64ca1ef55a66017186..e8f39fbd87b87080fb6fe0f62bf9182dacfd3f44 100644
--- a/corsika/detail/media/ExponentialRefractiveIndex.inl
+++ b/corsika/detail/media/ExponentialRefractiveIndex.inl
@@ -15,17 +15,17 @@ namespace corsika {
 
   template <typename T>
   template <typename... Args>
-  ExponentialRefractiveIndex<T>::ExponentialRefractiveIndex(double const n0,
-                             InverseLengthType const lambda, Args&&... args)
+  ExponentialRefractiveIndex<T>::ExponentialRefractiveIndex(
+      double const n0, InverseLengthType const lambda, Args&&... args)
       : T(std::forward<Args>(args)...)
       , n_0(n0)
       , lambda_(lambda) {}
 
   template <typename T>
   double ExponentialRefractiveIndex<T>::getRefractiveIndex(Point const& point) const {
-  //TODO: THIS METHOD CURRENTLY ONLY USES THE Z-COORDINATE.
-  //NEED TO THINK IT FOR FUTURE WORK ON ARBITRARY GEOMETRIES.
-  return n_0 * exp((-lambda_) * point.getCoordinates().getZ());
+    // TODO: THIS METHOD CURRENTLY ONLY USES THE Z-COORDINATE.
+    // NEED TO THINK IT FOR FUTURE WORK ON ARBITRARY GEOMETRIES.
+    return n_0 * exp((-lambda_) * point.getCoordinates().getZ());
   }
 
 } // namespace corsika
diff --git a/corsika/framework/geometry/Path.hpp b/corsika/framework/geometry/Path.hpp
index cb8d38a44397e572a9544b0b72db39fcbd7d153a..f7933cb4aae3c8a2e68353bc962fb46375a761e8 100644
--- a/corsika/framework/geometry/Path.hpp
+++ b/corsika/framework/geometry/Path.hpp
@@ -18,8 +18,8 @@ namespace corsika {
    * points using N >= 1 straight-line segments.
    */
   class Path {
-    std::deque<Point> points_;     ///< The points that make up this path.
-    LengthType length_= LengthType::zero(); ///< The length of the path.
+    std::deque<Point> points_;               ///< The points that make up this path.
+    LengthType length_ = LengthType::zero(); ///< The length of the path.
   public:
     /**
      * Create a Path with a given starting Point.
@@ -78,7 +78,7 @@ namespace corsika {
      */
     inline int GetNSegments() const;
 
-  };  // class Path
+  }; // class Path
 
 } // namespace corsika
 
diff --git a/corsika/media/ExponentialRefractiveIndex.hpp b/corsika/media/ExponentialRefractiveIndex.hpp
index c5b6e4d138f7b61b457e71feb7d59171003f0b66..64fde5a125b184bd0cb1e53726370433452170c7 100644
--- a/corsika/media/ExponentialRefractiveIndex.hpp
+++ b/corsika/media/ExponentialRefractiveIndex.hpp
@@ -23,7 +23,7 @@ namespace corsika {
   template <typename T>
   class ExponentialRefractiveIndex : public T {
 
-    double n_0; ///< n0 constant.
+    double n_0;                ///< n0 constant.
     InverseLengthType lambda_; ///< lambda parameter.
 
   public:
@@ -37,8 +37,8 @@ namespace corsika {
      * @param field    The refractive index to return to a given point.
      */
     template <typename... Args>
-    ExponentialRefractiveIndex(double const n0,
-                               InverseLengthType const lambda, Args&&... args);
+    ExponentialRefractiveIndex(double const n0, InverseLengthType const lambda,
+                               Args&&... args);
 
     /**
      * Evaluate the refractive index at a given location.
diff --git a/tests/framework/testGeometry.cpp b/tests/framework/testGeometry.cpp
index 936705e8d2ced1a4c26afb881f25d09fc9c84c94..f196bc25c759129972983f2ff47bc4470526c9da 100644
--- a/tests/framework/testGeometry.cpp
+++ b/tests/framework/testGeometry.cpp
@@ -316,12 +316,11 @@ TEST_CASE("Geometry Trajectories") {
   }
 }
 
-
 TEST_CASE("Point") {
-  //define a known CS
+  // define a known CS
   CoordinateSystemPtr root = get_root_CoordinateSystem();
 
-  //define known points
+  // define known points
   Point p1(root, {0_m, 0_m, 0_m});
   Point p2(root, {0_m, 0_m, 5_m});
   Point p3(root, {1_m, 0_m, 0_m});
@@ -330,68 +329,65 @@ TEST_CASE("Point") {
   Point p6(root, {0_m, 5_m, 0_m});
 
   SECTION("Test distance_to() method")
-  //check distance_to() method
+  // check distance_to() method
   CHECK(p1.distance_to(p2) / 1_m == Approx(5));
   CHECK(p3.distance_to(p4) / 1_m == Approx(4));
   CHECK(p5.distance_to(p6) / 1_m == Approx(1));
 }
 
-
-
 TEST_CASE("Path") {
-  //define a known CS
+  // define a known CS
   CoordinateSystemPtr root = get_root_CoordinateSystem();
 
-  //define known points
+  // define known points
   Point p1(root, {0_m, 0_m, 0_m});
   Point p2(root, {0_m, 0_m, 1_m});
   Point p3(root, {0_m, 0_m, 2_m});
   Point p4(root, {0_m, 0_m, 3_m});
   Point p5(root, {0_m, 0_m, 4_m});
-  //define paths
+  // define paths
   Path P1(p1);
-  Path P2({p1,p2});
+  Path P2({p1, p2});
   Path P3({p1, p2, p3});
-  //define deque that include point(s)
+  // define deque that include point(s)
   std::deque<Point> l1 = {p1};
   std::deque<Point> l2 = {p1, p2};
   std::deque<Point> l3 = {p1, p2, p3};
 
-  //test the various path constructors
+  // test the various path constructors
   SECTION("Test Constructors") {
-    //check constructor for one point
-    CHECK(std::equal(P1.begin(), P1.end(), l1.begin(),[](Point a, Point b)
-    { return (a - b).getNorm() / 1_m < 1e-5;}));
-    //check constructor for collection of points
-    CHECK(std::equal(P3.begin(), P3.end(), l3.begin(),[](Point a, Point b)
-    { return (a - b).getNorm() / 1_m < 1e-5;}));
+    // check constructor for one point
+    CHECK(std::equal(P1.begin(), P1.end(), l1.begin(),
+                     [](Point a, Point b) { return (a - b).getNorm() / 1_m < 1e-5; }));
+    // check constructor for collection of points
+    CHECK(std::equal(P3.begin(), P3.end(), l3.begin(),
+                     [](Point a, Point b) { return (a - b).getNorm() / 1_m < 1e-5; }));
   }
 
-    //test the length and access methods
+  // test the length and access methods
   SECTION("Test GetLength() and modifications to Path") {
     P1.AddToEnd(p2);
     P2.RemoveFromEnd();
-    //Check modifications to path
-    CHECK(std::equal(P1.begin(), P1.end(), l2.begin(),[](Point a, Point b)
-    { return (a - b).getNorm() / 1_m < 1e-5;}));
-    CHECK(std::equal(P2.begin(), P2.end(), l1.begin(),[](Point a, Point b)
-    { return (a - b).getNorm() / 1_m < 1e-5;}));
-    //Check GetStart(), GetEnd(), GetPoint()
+    // Check modifications to path
+    CHECK(std::equal(P1.begin(), P1.end(), l2.begin(),
+                     [](Point a, Point b) { return (a - b).getNorm() / 1_m < 1e-5; }));
+    CHECK(std::equal(P2.begin(), P2.end(), l1.begin(),
+                     [](Point a, Point b) { return (a - b).getNorm() / 1_m < 1e-5; }));
+    // Check GetStart(), GetEnd(), GetPoint()
     CHECK((P3.GetEnd() - P3.GetStart()).getNorm() / 1_m == Approx(2));
     CHECK((P1.GetPoint(1) - p2).getNorm() / 1_m == Approx(0));
-    //Check GetLength()
+    // Check GetLength()
     CHECK(P1.GetLength() / 1_m == Approx(1));
     CHECK(P2.GetLength() / 1_m == Approx(0));
     CHECK(P3.GetLength() / 1_m == Approx(2));
     P2.RemoveFromEnd();
-    CHECK(P2.GetLength() / 1_m == Approx(0)); //Check the length of an empty path
+    CHECK(P2.GetLength() / 1_m == Approx(0)); // Check the length of an empty path
     P3.AddToEnd(p4);
     P3.AddToEnd(p5);
     CHECK(P3.GetLength() / 1_m == Approx(4));
     P3.RemoveFromEnd();
-    CHECK(P3.GetLength() / 1_m == Approx(3)); //Check RemoveFromEnd() else case
-    //Check GetNSegments()
+    CHECK(P3.GetLength() / 1_m == Approx(3)); // Check RemoveFromEnd() else case
+    // Check GetNSegments()
     CHECK(P3.GetNSegments() - 3 == Approx(0));
-
   }
 }
diff --git a/tests/media/testRefractiveIndex.cpp b/tests/media/testRefractiveIndex.cpp
index 1888f6a08fbddb223dbdc9a8c3c96efb494d9aa8..1aee5973e8dca12f3f45b743e47658ef324e5600 100644
--- a/tests/media/testRefractiveIndex.cpp
+++ b/tests/media/testRefractiveIndex.cpp
@@ -91,7 +91,6 @@ TEST_CASE("UniformRefractiveIndex w/ Homogeneous") {
   CHECK((medium.getArclengthFromGrammage(track, density * 5_m) / 5_m) == Approx(1));
 }
 
-
 TEST_CASE("ExponentialRefractiveIndex w/ Homogeneous medium") {
 
   logging::set_level(logging::level::info);
@@ -158,8 +157,8 @@ TEST_CASE("ExponentialRefractiveIndex w/ Homogeneous medium") {
   // and the associated trajectory
   setup::Trajectory const track =
       setup::testing::make_track<setup::Trajectory>(line, tEnd);
-//  // and the associated trajectory
-//  Trajectory<Line> const trajectory(line, tEnd);
+  //  // and the associated trajectory
+  //  Trajectory<Line> const trajectory(line, tEnd);
 
   // and check the integrated grammage
   REQUIRE((medium.getIntegratedGrammage(track, 3_m) / (density * 3_m)) == Approx(1));