Fixed more clang warnings

src/OpenMesh/Tools/Decimater/ModAspectRatioT.hh

@@ -111,16 +111,16 @@ class ModAspectRatioT: public ModBaseT<MeshT> {
     }
 
     /// precompute face aspect ratio
-    void initialize();
+    void initialize() override;
 
     /// Returns the collapse priority
-    float collapse_priority(const CollapseInfo& _ci);
+    float collapse_priority(const CollapseInfo& _ci) override;
 
     /// update aspect ratio of one-ring
-    void preprocess_collapse(const CollapseInfo& _ci);
+    void preprocess_collapse(const CollapseInfo& _ci) override;
 
     /// set percentage of aspect ratio
-    void set_error_tolerance_factor(double _factor);
+    void set_error_tolerance_factor(double _factor) override;
 
   private:
 

src/OpenMesh/Tools/Decimater/ModEdgeLengthT.hh

@@ -98,10 +98,10 @@ class ModEdgeLengthT: public ModBaseT<MeshT> {
      Cont. mode:  Collapse smallest edge first, but
      don't collapse edges longer as edge_length_
      */
-    float collapse_priority(const CollapseInfo& _ci);
+    float collapse_priority(const CollapseInfo& _ci) override;
 
     /// set the percentage of edge length
-    void set_error_tolerance_factor(double _factor);
+    void set_error_tolerance_factor(double _factor) override;
 
   private:
 

src/OpenMesh/Tools/Decimater/ModHausdorffT.hh

@@ -108,7 +108,7 @@ class ModHausdorffT: public ModBaseT<MeshT> {
     }
 
     /// reset per-face point lists
-    virtual void initialize();
+    virtual void initialize() override;
 
     /** \brief compute Hausdorff error for one-ring
      *
@@ -120,13 +120,13 @@ class ModHausdorffT: public ModBaseT<MeshT> {
      * @return Binary return, if collapse is legal or illegal
      */
 
-    virtual float collapse_priority(const CollapseInfo& _ci);
+    virtual float collapse_priority(const CollapseInfo& _ci) override;
 
     /// re-distribute points
     virtual void postprocess_collapse(const CollapseInfo& _ci) override;
 
     /// set the percentage of tolerance
-    void set_error_tolerance_factor(double _factor);
+    void set_error_tolerance_factor(double _factor) override;
 
   private:
 

src/OpenMesh/Tools/Decimater/ModNormalDeviationT.hh

@@ -140,7 +140,7 @@ public:
 
 
   /// Allocate and init normal cones
-  void  initialize() {
+  void  initialize() override {
     if (!normal_cones_.is_valid())
       mesh_.add_property(normal_cones_);
 
@@ -165,7 +165,7 @@ public:
    * @param _ci Collapse info data
    * @return Half of the normal cones size (radius in radians)
    */
-  float collapse_priority(const CollapseInfo& _ci) {
+  float collapse_priority(const CollapseInfo& _ci) override {
     // simulate collapse
     mesh_.set_point(_ci.v0, _ci.p1);
 
@@ -203,7 +203,7 @@ public:
   }
 
   /// set the percentage of normal deviation
-  void set_error_tolerance_factor(double _factor) {
+  void set_error_tolerance_factor(double _factor) override {
     if (_factor >= 0.0 && _factor <= 1.0) {
       // the smaller the factor, the smaller normal_deviation_ gets
       // thus creating a stricter constraint

src/OpenMesh/Tools/Decimater/ModNormalFlippingT.hh

@@ -122,7 +122,7 @@ public:
    *
    *  \see set_max_normal_deviation()
    */
-  float collapse_priority(const CollapseInfo& _ci)
+  float collapse_priority(const CollapseInfo& _ci) override
   {
     // simulate collapse
     Base::mesh().set_point(_ci.v0, _ci.p1);
@@ -154,7 +154,7 @@ public:
   }
 
   /// set the percentage of maximum normal deviation
-  void set_error_tolerance_factor(double _factor) {
+  void set_error_tolerance_factor(double _factor) override {
     if (_factor >= 0.0 && _factor <= 1.0) {
       // the smaller the factor, the smaller max_deviation_ gets
       // thus creating a stricter constraint

src/OpenMesh/Tools/Decimater/ModRoundnessT.hh

@@ -117,7 +117,7 @@ class ModRoundnessT : public ModBaseT<MeshT>
    * \return LEGAL_COLLAPSE or ILLEGAL_COLLAPSE in binary mode
    * \see set_min_roundness()
    */
-  float collapse_priority(const CollapseInfo& _ci)
+  float collapse_priority(const CollapseInfo& _ci) override
   {
     //     using namespace OpenMesh;
 
@@ -174,7 +174,7 @@ class ModRoundnessT : public ModBaseT<MeshT>
   }
 
   /// set the percentage of minimum roundness
-  void set_error_tolerance_factor(double _factor) {
+  void set_error_tolerance_factor(double _factor) override {
     if (this->is_binary()) {
       if (_factor >= 0.0 && _factor <= 1.0) {
         // the smaller the factor, the smaller min_r_ gets