# HG changeset patch
# User Alpar Juttner <alpar@cs.elte.hu>
# Date 1380100556 -7200
# Node ID 15e233f588da4563e273f3dc2d489c8e3410e21a
# Parent  688a55e4c87825615d40d0a742db2bfc71233f1d
Fix invalid map query in NearestNeighborTsp (#476)

diff -r 688a55e4c878 -r 15e233f588da lemon/nearest_neighbor_tsp.h
--- a/lemon/nearest_neighbor_tsp.h	Sun Aug 11 22:30:44 2013 +0200
+++ b/lemon/nearest_neighbor_tsp.h	Wed Sep 25 11:15:56 2013 +0200
@@ -115,7 +115,7 @@
           if (min_edge1 == INVALID) {
             for (IncEdgeIt e(_gr, n1); e != INVALID; ++e) {
               if (!used[_gr.runningNode(e)] &&
-                  (_cost[e] < _cost[min_edge1] || min_edge1 == INVALID)) {
+                  (min_edge1 == INVALID || _cost[e] < _cost[min_edge1])) {
                 min_edge1 = e;
               }
             }
@@ -124,7 +124,7 @@
           if (min_edge2 == INVALID) {
             for (IncEdgeIt e(_gr, n2); e != INVALID; ++e) {
               if (!used[_gr.runningNode(e)] &&
-                  (_cost[e] < _cost[min_edge2] || min_edge2 == INVALID)) {
+                  (min_edge2 == INVALID||_cost[e] < _cost[min_edge2])) {
                 min_edge2 = e;
               }
             }