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

src/lammps.cpp

@@ -464,6 +464,12 @@ void LAMMPS::create()
   else domain = new Domain(this);
 #endif
 
+  // use grow to initialize atom-based arrays to length 1
+  // so that x[0][0] can be referenced even if proc has no atoms
+  // must be done after nthreads is defined by Comm class
+
+  atom->avec->grow(1);
+
   group = new Group(this);
   force = new Force(this);    // must be after group, to create temperature