Fix issue in MakeRelocateNeighborsOperator

2017-06-08 12:26:05 +00:00
parent ce771a90aa
commit 2c61433fc3
1 changed files with 1 additions and 1 deletions
--- a/ortools/constraint_solver/routing_neighborhoods.cc
+++ b/ortools/constraint_solver/routing_neighborhoods.cc
@@ -53,7 +53,7 @@ bool MakeRelocateNeighborsOperator::MoveChainAndRepair(int64 before_chain,
      if (current == last) {  // chain was just before destination
        current = before_chain;
      }
-      while (last >= 0 && !IsPathStart(current)) {
+      while (last >= 0 && !IsPathStart(current) && current != last) {
        last = Reposition(current, last);
        current = Prev(current);
      }