# HG changeset patch
# User marci
# Date 1102008967 0
# Node ID 4ec35d1cd8976fd98b380dfe8661b1cd840b0319
# Parent  bd7ea1a718e2d3d3e646ca6b525603e881f92d9e
bug fix. previously, it did not work with graphs having non-reference node-maps

diff -r bd7ea1a718e2 -r 4ec35d1cd897 src/lemon/min_cost_flow.h
--- a/src/lemon/min_cost_flow.h	Wed Dec 01 14:08:37 2004 +0000
+++ b/src/lemon/min_cost_flow.h	Thu Dec 02 17:36:07 2004 +0000
@@ -147,7 +147,7 @@
 
 	//We have to change the potential
 	for(typename ResGW::NodeIt n(res_graph); n!=INVALID; ++n)
-	  potential[n] += dijkstra.distMap()[n];
+	  potential.set(n, potential[n]+dijkstra.distMap()[n]);
 	
 	//Augmenting on the sortest path
 	Node n=t;