flag error when trying to compute an average of an empty vector

2020-07-03 22:35:53 -04:00
parent 53415592d2
commit c37b5e50b1
1 changed files with 3 additions and 0 deletions
--- a/src/variable.cpp
+++ b/src/variable.cpp
@ -4205,6 +4205,9 @@ int Variable::special_function(char *word, char *contents, Tree **tree,
      if (eval_in_progress[ivar])
        print_var_error(FLERR,"Variable has circular dependency",ivar);

+      if ((method == AVE) && (nvec == 0))
+        print_var_error(FLERR,"Cannot compute average of empty vector",ivar);
+
      double *vec;
      nvec = compute_vector(ivar,&vec);
      nstride = 1;