Apply override to Region classes

src/region_block.h

@@ -29,10 +29,10 @@ class RegBlock : public Region {
 
  public:
   RegBlock(class LAMMPS *, int, char **);
-  ~RegBlock();
-  int inside(double, double, double);
-  int surface_interior(double *, double);
-  int surface_exterior(double *, double);
+  ~RegBlock() override;
+  int inside(double, double, double) override;
+  int surface_interior(double *, double) override;
+  int surface_exterior(double *, double) override;
 
  protected:
   double xlo, xhi, ylo, yhi, zlo, zhi;

src/region_cone.h

@@ -27,10 +27,10 @@ namespace LAMMPS_NS {
 class RegCone : public Region {
  public:
   RegCone(class LAMMPS *, int, char **);
-  ~RegCone();
-  int inside(double, double, double);
-  int surface_interior(double *, double);
-  int surface_exterior(double *, double);
+  ~RegCone() override;
+  int inside(double, double, double) override;
+  int surface_interior(double *, double) override;
+  int surface_exterior(double *, double) override;
 
  private:
   char axis;

src/region_cylinder.h

@@ -29,14 +29,14 @@ class RegCylinder : public Region {
 
  public:
   RegCylinder(class LAMMPS *, int, char **);
-  ~RegCylinder();
-  void init();
-  int inside(double, double, double);
-  int surface_interior(double *, double);
-  int surface_exterior(double *, double);
-  void shape_update();
-  void set_velocity_shape();
-  void velocity_contact_shape(double *, double *);
+  ~RegCylinder() override;
+  void init() override;
+  int inside(double, double, double) override;
+  int surface_interior(double *, double) override;
+  int surface_exterior(double *, double) override;
+  void shape_update() override;
+  void set_velocity_shape() override;
+  void velocity_contact_shape(double *, double *) override;
 
  private:
   char axis;

src/region_deprecated.h

@@ -28,11 +28,11 @@ namespace LAMMPS_NS {
 class RegionDeprecated : public Region {
  public:
   RegionDeprecated(class LAMMPS *, int, char **);
-  ~RegionDeprecated() {}
-  virtual void init() {}
-  virtual int inside(double, double, double) { return 0; }
-  virtual int surface_interior(double *, double) { return 0; }
-  virtual int surface_exterior(double *, double) { return 0; }
+  ~RegionDeprecated() override {}
+  void init() override {}
+  int inside(double, double, double) override { return 0; }
+  int surface_interior(double *, double) override { return 0; }
+  int surface_exterior(double *, double) override { return 0; }
 };
 
 }    // namespace LAMMPS_NS

src/region_intersect.h

@@ -27,18 +27,18 @@ namespace LAMMPS_NS {
 class RegIntersect : public Region {
  public:
   RegIntersect(class LAMMPS *, int, char **);
-  ~RegIntersect();
-  void init();
-  int inside(double, double, double);
-  int surface_interior(double *, double);
-  int surface_exterior(double *, double);
-  void shape_update();
-  void pretransform();
-  void set_velocity();
-  void length_restart_string(int &);
-  void write_restart(FILE *);
-  int restart(char *, int &);
-  void reset_vel();
+  ~RegIntersect() override;
+  void init() override;
+  int inside(double, double, double) override;
+  int surface_interior(double *, double) override;
+  int surface_exterior(double *, double) override;
+  void shape_update() override;
+  void pretransform() override;
+  void set_velocity() override;
+  void length_restart_string(int &) override;
+  void write_restart(FILE *) override;
+  int restart(char *, int &) override;
+  void reset_vel() override;
 
  private:
   char **idsub;

src/region_plane.h

@@ -27,10 +27,10 @@ namespace LAMMPS_NS {
 class RegPlane : public Region {
  public:
   RegPlane(class LAMMPS *, int, char **);
-  ~RegPlane();
-  int inside(double, double, double);
-  int surface_interior(double *, double);
-  int surface_exterior(double *, double);
+  ~RegPlane() override;
+  int inside(double, double, double) override;
+  int surface_interior(double *, double) override;
+  int surface_exterior(double *, double) override;
 
  private:
   double xp, yp, zp;

src/region_prism.h

@@ -29,10 +29,10 @@ class RegPrism : public Region {
 
  public:
   RegPrism(class LAMMPS *, int, char **);
-  ~RegPrism();
-  int inside(double, double, double);
-  int surface_interior(double *, double);
-  int surface_exterior(double *, double);
+  ~RegPrism() override;
+  int inside(double, double, double) override;
+  int surface_interior(double *, double) override;
+  int surface_exterior(double *, double) override;
 
  private:
   double xlo, xhi, ylo, yhi, zlo, zhi;

src/region_sphere.h

@@ -27,14 +27,14 @@ namespace LAMMPS_NS {
 class RegSphere : public Region {
  public:
   RegSphere(class LAMMPS *, int, char **);
-  ~RegSphere();
-  void init();
-  int inside(double, double, double);
-  int surface_interior(double *, double);
-  int surface_exterior(double *, double);
-  void shape_update();
-  void set_velocity_shape();
-  void velocity_contact_shape(double *, double *);
+  ~RegSphere() override;
+  void init() override;
+  int inside(double, double, double) override;
+  int surface_interior(double *, double) override;
+  int surface_exterior(double *, double) override;
+  void shape_update() override;
+  void set_velocity_shape() override;
+  void velocity_contact_shape(double *, double *) override;
 
  private:
   double xc, yc, zc;

src/region_union.h

@@ -27,18 +27,18 @@ namespace LAMMPS_NS {
 class RegUnion : public Region {
  public:
   RegUnion(class LAMMPS *, int, char **);
-  ~RegUnion();
-  void init();
-  int inside(double, double, double);
-  int surface_interior(double *, double);
-  int surface_exterior(double *, double);
-  void shape_update();
-  void pretransform();
-  void set_velocity();
-  void length_restart_string(int &);
-  void write_restart(FILE *);
-  int restart(char *, int &);
-  void reset_vel();
+  ~RegUnion() override;
+  void init() override;
+  int inside(double, double, double) override;
+  int surface_interior(double *, double) override;
+  int surface_exterior(double *, double) override;
+  void shape_update() override;
+  void pretransform() override;
+  void set_velocity() override;
+  void length_restart_string(int &) override;
+  void write_restart(FILE *) override;
+  int restart(char *, int &) override;
+  void reset_vel() override;
 
  private:
   char **idsub;