Merge pull request #212 from timattox/USER-DPD_fix_eos_atom_style_checks

USER-DPD: Add atom_style compatibility checks in fix_eos_*.cpp files.

src/USER-DPD/fix_eos_cv.cpp

@@ -36,6 +36,9 @@ FixEOScv::FixEOScv(LAMMPS *lmp, int narg, char **arg) :
 
   restart_peratom = 1;
   nevery = 1;
+
+  if (atom->dpd_flag != 1)
+    error->all(FLERR,"FixEOScv requires atom_style with internal temperature and energies (e.g. dpd)");
 }
 
 /* ---------------------------------------------------------------------- */

src/USER-DPD/fix_eos_table.cpp

@@ -78,6 +78,9 @@ FixEOStable::FixEOStable(LAMMPS *lmp, int narg, char **arg) :
   spline_table(tb2);
   compute_table(tb2);
   ntables++;
+
+  if (atom->dpd_flag != 1)
+    error->all(FLERR,"FixEOStable requires atom_style with internal temperature and energies (e.g. dpd)");
 }
 
 /* ---------------------------------------------------------------------- */

src/USER-DPD/fix_eos_table_rx.cpp

@@ -117,6 +117,9 @@ FixEOStableRX::FixEOStableRX(LAMMPS *lmp, int narg, char **arg) :
 
   comm_forward = 3;
   comm_reverse = 2;
+
+  if (atom->dpd_flag != 1)
+    error->all(FLERR,"FixEOStableRX requires atom_style with internal temperature and energies (e.g. dpd)");
 }
 
 /* ---------------------------------------------------------------------- */