corsika/detail/framework/geometry/Helix.inl

 /*
  * (c) Copyright 2018 CORSIKA Project, corsika-project@lists.kit.edu
  *
- * This software is distributed under the terms of the GNU General Public
- * Licence version 3 (GPL Version 3). See file LICENSE for a full version of
- * the license.
+ * This software is distributed under the terms of the 3-clause BSD license.
+ * See file LICENSE for a full version of the license.
  */
 
 #pragma once

corsika/detail/framework/geometry/Line.inl

 /*
  * (c) Copyright 2018 CORSIKA Project, corsika-project@lists.kit.edu
  *
- * This software is distributed under the terms of the GNU General Public
- * Licence version 3 (GPL Version 3). See file LICENSE for a full version of
- * the license.
+ * This software is distributed under the terms of the 3-clause BSD license.
+ * See file LICENSE for a full version of the license.
  */
 
 #pragma once

corsika/detail/framework/geometry/Path.inl

 /*
  * (c) Copyright 2020 CORSIKA Project, corsika-project@lists.kit.edu
  *
- * This software is distributed under the terms of the GNU General Public
- * Licence version 3 (GPL Version 3). See file LICENSE for a full version of
- * the license.
+ * This software is distributed under the terms of the 3-clause BSD license.
+ * See file LICENSE for a full version of the license.
  */
 
 #pragma once
 
 #include <deque>
-#include <corsika/framework/geometry/Point.hpp>
 
 namespace corsika {
 
-  Path::Path(Point const& point) { points_.push_front(point); }
+  inline Path::Path(Point const& point) { points_.push_front(point); }
 
-  Path::Path(std::deque<Point> const& points)
+  inline Path::Path(std::deque<Point> const& points)
       : points_(points) {
     int dequesize_ = points.size();
     if (dequesize_ == 0 || dequesize_ == 1) {
@@ -51,15 +49,21 @@ namespace corsika {
 
   inline LengthType Path::getLength() const { return length_; }
 
-  inline Point Path::getStart() const { return points_.front(); }
+  inline Point const& Path::getStart() const { return points_.front(); }
 
-  inline Point Path::getEnd() const { return points_.back(); }
+  inline Point const& Path::getEnd() const { return points_.back(); }
 
-  inline Point Path::getPoint(std::size_t const index) const { return points_.at(index); }
+  inline Point const& Path::getPoint(std::size_t const index) const {
+    return points_.at(index);
+  }
+
+  inline Path::const_iterator Path::begin() const { return points_.cbegin(); }
+
+  inline Path::const_iterator Path::end() const { return points_.cend(); }
 
-  inline auto Path::begin() { return points_.begin(); }
+  inline Path::iterator Path::begin() { return points_.begin(); }
 
-  inline auto Path::end() { return points_.end(); }
+  inline Path::iterator Path::end() { return points_.end(); }
 
   inline int Path::getNSegments() const { return points_.size() - 1; }