From 39a5fbd753beecca91fb13730620ee0c825db7fd Mon Sep 17 00:00:00 2001
From: Bastian Schlag <bastian.schlag@cern.ch>
Date: Sun, 1 Mar 2020 00:40:17 +0100
Subject: [PATCH] remove unnecessary const keyword in vector of BoundParameters

---
 Core/include/Acts/Vertexing/GaussianTrackDensity.hpp   | 10 ++++------
 Core/include/Acts/Vertexing/TrackDensity.hpp           |  8 ++++----
 .../Acts/Vertexing/TrackDensityVertexFinder.ipp        |  2 +-
 Core/src/Vertexing/GaussianTrackDensity.cpp            |  9 +++------
 4 files changed, 12 insertions(+), 17 deletions(-)

diff --git a/Core/include/Acts/Vertexing/GaussianTrackDensity.hpp b/Core/include/Acts/Vertexing/GaussianTrackDensity.hpp
index f30d03b78..6ac751d13 100644
--- a/Core/include/Acts/Vertexing/GaussianTrackDensity.hpp
+++ b/Core/include/Acts/Vertexing/GaussianTrackDensity.hpp
@@ -50,9 +50,8 @@ class GaussianTrackDensity {
   /// @param state The GaussianTrackDensity state
   ///
   /// @return The z position of the maximum
-  double globalMaximum(
-      const std::vector<const Acts::BoundParameters>& trackList,
-      State& state) const;
+  double globalMaximum(const std::vector<Acts::BoundParameters>& trackList,
+                       State& state) const;
 
   /// @brief Calculates the global maximum with width
   ///
@@ -61,8 +60,7 @@ class GaussianTrackDensity {
   ///
   /// @return The z position of the maximum and its width
   std::pair<double, double> globalMaximumWithWidth(
-      const std::vector<const Acts::BoundParameters>& trackList,
-      State& state) const;
+      const std::vector<Acts::BoundParameters>& trackList, State& state) const;
 
  private:
   /// The configuration
@@ -72,7 +70,7 @@ class GaussianTrackDensity {
   ///
   /// @param trackList The list of tracks
   /// @param state The GaussianTrackDensity state
-  void addTracks(const std::vector<const Acts::BoundParameters>& trackList,
+  void addTracks(const std::vector<Acts::BoundParameters>& trackList,
                  State& state) const;
 };
 }  // namespace Acts
diff --git a/Core/include/Acts/Vertexing/TrackDensity.hpp b/Core/include/Acts/Vertexing/TrackDensity.hpp
index 574439ec5..ad6d08cbe 100644
--- a/Core/include/Acts/Vertexing/TrackDensity.hpp
+++ b/Core/include/Acts/Vertexing/TrackDensity.hpp
@@ -66,9 +66,9 @@ class TrackDensity {
     }
   };
 
-  using TrackMap = std::map<BoundParameters, TrackEntry, predPerigee>;
-  using LowerMap = std::map<TrackEntry, BoundParameters, predEntryByMax>;
-  using UpperMap = std::map<TrackEntry, BoundParameters, predEntryByMin>;
+  using TrackMap = std::map<const BoundParameters, TrackEntry, predPerigee>;
+  using LowerMap = std::map<TrackEntry, const BoundParameters, predEntryByMax>;
+  using UpperMap = std::map<TrackEntry, const BoundParameters, predEntryByMin>;
 
   /// @brief The Config struct
   struct Config {
@@ -82,7 +82,7 @@ class TrackDensity {
     double maxZRange = 0;
 
     // Maps to cache track information
-    std::set<BoundParameters, predPerigee> trackSet;
+    std::set<const BoundParameters, predPerigee> trackSet;
     LowerMap lowerMap;
     UpperMap upperMap;
   };
diff --git a/Core/include/Acts/Vertexing/TrackDensityVertexFinder.ipp b/Core/include/Acts/Vertexing/TrackDensityVertexFinder.ipp
index d2e957f29..ed26c5631 100644
--- a/Core/include/Acts/Vertexing/TrackDensityVertexFinder.ipp
+++ b/Core/include/Acts/Vertexing/TrackDensityVertexFinder.ipp
@@ -13,7 +13,7 @@ auto Acts::TrackDensityVertexFinder<vfitter_t, track_density_t>::find(
     -> Result<std::vector<Vertex<InputTrack_t>>> {
   typename track_density_t::State densityState;
 
-  std::vector<const BoundParameters> trackList;
+  std::vector<BoundParameters> trackList;
   trackList.reserve(trackVector.size());
 
   for (const auto& trk : trackVector) {
diff --git a/Core/src/Vertexing/GaussianTrackDensity.cpp b/Core/src/Vertexing/GaussianTrackDensity.cpp
index b36a85c37..44a080f9c 100644
--- a/Core/src/Vertexing/GaussianTrackDensity.cpp
+++ b/Core/src/Vertexing/GaussianTrackDensity.cpp
@@ -9,22 +9,19 @@
 #include "Acts/Vertexing/GaussianTrackDensity.hpp"
 
 double Acts::GaussianTrackDensity::globalMaximum(
-    const std::vector<const Acts::BoundParameters>& trackList,
-    State& state) const {
+    const std::vector<Acts::BoundParameters>& trackList, State& state) const {
   addTracks(trackList, state);
   return state.trackDensity.globalMaximum(state.trackDensityState);
 }
 
 std::pair<double, double> Acts::GaussianTrackDensity::globalMaximumWithWidth(
-    const std::vector<const Acts::BoundParameters>& trackList,
-    State& state) const {
+    const std::vector<Acts::BoundParameters>& trackList, State& state) const {
   addTracks(trackList, state);
   return state.trackDensity.globalMaximumWithWidth(state.trackDensityState);
 }
 
 void Acts::GaussianTrackDensity::addTracks(
-    const std::vector<const Acts::BoundParameters>& trackList,
-    State& state) const {
+    const std::vector<Acts::BoundParameters>& trackList, State& state) const {
   const double d0SignificanceCut =
       m_cfg.d0MaxSignificance * m_cfg.d0MaxSignificance;
   const double z0SignificanceCut =
-- 
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