git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@9601 f3b2605a-c512-4ea7-a41b-209d697bcdaa

src/input.cpp

@@ -1003,6 +1003,11 @@ void Input::atom_style()
   if (domain->box_exist)
     error->all(FLERR,"Atom_style command after simulation box is defined");
   atom->create_avec(arg[0],narg-1,&arg[1],lmp->suffix);
+
+  // use grow to initialize atom-based arrays to length 1
+  // so that x[0][0] can be referenced even if proc has no atoms
+
+  atom->avec->grow(1);
 }
 
 /* ---------------------------------------------------------------------- */