programming style updates

src/atom.cpp

@@ -89,7 +89,7 @@ are updated by the AtomVec class as needed.
  *
  * \param  _lmp  pointer to the base LAMMPS class */
 
-Atom::Atom(LAMMPS *_lmp) : Pointers(_lmp)
+Atom::Atom(LAMMPS *_lmp) : Pointers(_lmp), atom_style(nullptr), avec(nullptr), avec_map(nullptr)
 {
   natoms = 0;
   nlocal = nghost = nmax = 0;
@@ -272,9 +272,6 @@ Atom::Atom(LAMMPS *_lmp) : Pointers(_lmp)
   unique_tags = nullptr;
   reset_image_flag[0] = reset_image_flag[1] = reset_image_flag[2] = false;
 
-  atom_style = nullptr;
-  avec = nullptr;
-
   avec_map = new AtomVecCreatorMap();
 
 #define ATOM_CLASS

src/update.cpp

@@ -46,7 +46,9 @@ template <typename T> static Min *minimize_creator(LAMMPS *lmp)
 
 /* ---------------------------------------------------------------------- */
 
-Update::Update(LAMMPS *lmp) : Pointers(lmp)
+Update::Update(LAMMPS *lmp) :
+    Pointers(lmp), unit_style(nullptr), integrate(nullptr), integrate_style(nullptr),
+    minimize(nullptr), minimize_style(nullptr), integrate_map(nullptr), minimize_map(nullptr)
 {
   char *str;
 
@@ -67,14 +69,8 @@ Update::Update(LAMMPS *lmp) : Pointers(lmp)
 
   dt_default = 1;
   dt = 0.0;
-  unit_style = nullptr;
   set_units("lj");
 
-  integrate_style = nullptr;
-  integrate = nullptr;
-  minimize_style = nullptr;
-  minimize = nullptr;
-
   integrate_map = new IntegrateCreatorMap();
 
 #define INTEGRATE_CLASS

src/update.h

@@ -22,6 +22,17 @@ namespace LAMMPS_NS {
 
 class Update : protected Pointers {
  public:
+  Update(class LAMMPS *);
+  ~Update() override;
+  void init();
+  void set_units(const char *);
+  void create_integrate(int, char **, int);
+  void create_minimize(int, char **, int);
+  void reset_timestep(int, char **);
+  void reset_timestep(bigint, bool);
+  void update_time();
+  double memory_usage();
+
   double dt;                     // timestep
   double etol, ftol;             // minimizer tolerances on energy/force
   bigint ntimestep;              // current step (dynamics or min iterations)
@@ -58,17 +69,6 @@ class Update : protected Pointers {
   IntegrateCreatorMap *integrate_map;
   MinimizeCreatorMap *minimize_map;
 
-  Update(class LAMMPS *);
-  ~Update() override;
-  void init();
-  void set_units(const char *);
-  void create_integrate(int, char **, int);
-  void create_minimize(int, char **, int);
-  void reset_timestep(int, char **);
-  void reset_timestep(bigint, bool);
-  void update_time();
-  double memory_usage();
-
  private:
   void new_integrate(char *, int, char **, int, int &);
   void new_minimize(char *, int, char **, int, int &);