Update more core class destructors

src/angle.h

@@ -43,7 +43,7 @@ class Angle : protected Pointers {
   int copymode;
 
   Angle(class LAMMPS *);
-  virtual ~Angle();
+  ~Angle() override;
   virtual void init();
   virtual void compute(int, int) = 0;
   virtual void settings(int, char **) {}

src/atom.h

@@ -284,7 +284,7 @@ class Atom : protected Pointers {
   // functions
 
   Atom(class LAMMPS *);
-  virtual ~Atom();
+  ~Atom() override;
 
   void settings(class Atom *);
   void peratom_create();

src/atom_vec.h

@@ -68,7 +68,7 @@ class AtomVec : protected Pointers {
   // methods
 
   AtomVec(class LAMMPS *);
-  virtual ~AtomVec();
+  ~AtomVec() override;
 
   void store_args(int, char **);
   virtual void process_args(int, char **);

src/bond.h

@@ -39,7 +39,7 @@ class Bond : protected Pointers {
   int copymode;
 
   Bond(class LAMMPS *);
-  virtual ~Bond();
+  ~Bond() override;
   virtual void init();
   virtual void init_style() {}
   virtual void compute(int, int) = 0;

src/compute.h

@@ -104,7 +104,7 @@ class Compute : protected Pointers {
   int copymode, kokkosable;
 
   Compute(class LAMMPS *, int, char **);
-  virtual ~Compute();
+  ~Compute() override;
   void modify_params(int, char **);
   void reset_extra_dof();
 

src/dihedral.h

@@ -43,7 +43,7 @@ class Dihedral : protected Pointers {
   int copymode;
 
   Dihedral(class LAMMPS *);
-  virtual ~Dihedral();
+  ~Dihedral() override;
   virtual void init();
   virtual void init_style() {}
   virtual void compute(int, int) = 0;

src/fix.h

@@ -130,7 +130,7 @@ class Fix : protected Pointers {
   unsigned int datamask_read, datamask_modify;
 
   Fix(class LAMMPS *, int, char **);
-  virtual ~Fix();
+  ~Fix() override;
   void modify_params(int, char **);
 
   virtual int setmask() = 0;

src/force.h

@@ -117,7 +117,7 @@ class Force : protected Pointers {
   int special_extra;         // extra space for added bonds
 
   Force(class LAMMPS *);
-  ~Force();
+  ~Force() override;
   void init();
   void setup();
 

src/improper.h

@@ -43,7 +43,7 @@ class Improper : protected Pointers {
   int copymode;
 
   Improper(class LAMMPS *);
-  virtual ~Improper();
+  ~Improper() override;
   virtual void init();
   virtual void init_style() {}
   virtual void compute(int, int) = 0;

src/integrate.h

@@ -21,7 +21,7 @@ namespace LAMMPS_NS {
 class Integrate : protected Pointers {
  public:
   Integrate(class LAMMPS *, int, char **);
-  virtual ~Integrate();
+  ~Integrate() override;
   virtual void init();
   virtual void setup(int flag) = 0;
   virtual void setup_minimal(int) = 0;

src/kspace.h

@@ -100,7 +100,7 @@ class KSpace : protected Pointers {
   double splittol;    // tolerance for when to truncate splitting
 
   KSpace(class LAMMPS *);
-  virtual ~KSpace();
+  ~KSpace() override;
   void two_charge();
   void triclinic_check();
   void modify_params(int, char **);

src/modify.h

@@ -53,7 +53,7 @@ class Modify : protected Pointers {
   Compute **compute;    // list of computes
 
   Modify(class LAMMPS *);
-  virtual ~Modify();
+  ~Modify() override;
   virtual void init();
   virtual void setup(int);
   virtual void setup_pre_exchange();

src/neigh_list.h

@@ -102,7 +102,7 @@ class NeighList : protected Pointers {
   // methods
 
   NeighList(class LAMMPS *);
-  virtual ~NeighList();
+  ~NeighList() override;
   void post_constructor(class NeighRequest *);
   void setup_pages(int, int);    // setup page data structures
   void grow(int, int);           // grow all data structs

src/neighbor.h

@@ -117,7 +117,7 @@ class Neighbor : protected Pointers {
   // public methods
 
   Neighbor(class LAMMPS *);
-  virtual ~Neighbor();
+  ~Neighbor() override;
   virtual void init();
   int request(void *, int instance = 0);
   int decide();                     // decide whether to build or not

src/output.h

@@ -71,7 +71,7 @@ class Output : protected Pointers {
   DumpCreatorMap *dump_map;
 
   Output(class LAMMPS *);
-  ~Output();
+  ~Output() override;
   void init();
   void setup(int memflag = 1);    // initial output before run/min
   void write(bigint);             // output for current timestep

src/pair.h

@@ -123,7 +123,7 @@ class Pair : protected Pointers {
   int kokkosable;    // 1 if Kokkos pair
 
   Pair(class LAMMPS *);
-  virtual ~Pair();
+  ~Pair() override;
 
   // top-level Pair methods
 

src/thermo.h

@@ -34,7 +34,7 @@ class Thermo : protected Pointers {
   enum { INT, FLOAT, BIGINT };
 
   Thermo(class LAMMPS *, int, char **);
-  ~Thermo();
+  ~Thermo() override;
   void init();
   bigint lost_check();
   void modify_params(int, char **);

src/timer.h

@@ -44,7 +44,7 @@ class Timer : protected Pointers {
   enum tlevel { OFF = 0, LOOP, NORMAL, FULL };
 
   Timer(class LAMMPS *);
-  ~Timer(){};
+  ~Timer() override = default;
   void init();
 
   // inline function to reduce overhead if we want no detailed timings

src/universe.h

@@ -37,7 +37,7 @@ class Universe : protected Pointers {
                      // proc uni2orig[I] in original communicator
 
   Universe(class LAMMPS *, MPI_Comm);
-  ~Universe();
+  ~Universe() override;
   void reorder(char *, char *);
   void add_world(char *);
   int consistent();