// compute distance matrix element
ContactListI ith = cm.getContactList(i);
-
+ distances.setValue(i, i, 0);
+ if (ith==null)
+ {
+ continue;
+ }
for (int j = 0; j < i; j++)
{
- distances.setValue(i, i, 0);
ContactListI jth = cm.getContactList(j);
if (jth == null)
{