git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@5504 f3b2605a-c512-4ea7-a41b-209d697bcdaa

src/atom_vec_atomic.cpp

@@ -13,6 +13,7 @@
 
 #include "stdlib.h"
 #include "atom_vec_atomic.h"
+#include "lmptype.h"
 #include "atom.h"
 #include "domain.h"
 #include "modify.h"
@@ -53,6 +54,8 @@ void AtomVecAtomic::grow(int n)
   if (n == 0) nmax += DELTA;
   else nmax = n;
   atom->nmax = nmax;
+  if (nmax < 0 || nmax > MAXSMALLINT)
+    error->one("Per-processor system is too big");
 
   tag = atom->tag = (int *) 
     memory->srealloc(atom->tag,nmax*sizeof(int),"atom:tag");