consolidate enum into header file

src/OPENMP/fix_neigh_history_omp.cpp

@@ -32,15 +32,11 @@
 using namespace LAMMPS_NS;
 using namespace FixConst;
 
-enum{DEFAULT,NPARTNER,PERPARTNER}; // also set in fix neigh/history
-
 
 FixNeighHistoryOMP::FixNeighHistoryOMP(class LAMMPS *lmp,int narg,char **argv)
   : FixNeighHistory(lmp,narg,argv) {
-
 }
 
-
 /* ----------------------------------------------------------------------
    copy partner info from neighbor data structs (NDS) to atom arrays
    should be called whenever NDS store current history info

src/fix_neigh_history.cpp

@@ -30,8 +30,6 @@
 using namespace LAMMPS_NS;
 using namespace FixConst;
 
-enum{DEFAULT,NPARTNER,PERPARTNER}; // also set in fix neigh/history/omp
-
 /* ---------------------------------------------------------------------- */
 
 FixNeighHistory::FixNeighHistory(LAMMPS *lmp, int narg, char **arg) :

src/fix_neigh_history.h

@@ -95,6 +95,8 @@ class FixNeighHistory : public Fix {
 
   // Shift by HISTBITS and check the first bit
   inline int histmask(int j) const { return j >> HISTBITS & 1; }
+
+  enum { DEFAULT, NPARTNER, PERPARTNER };
 };
 
 }    // namespace LAMMPS_NS