# HG changeset patch
# User Peter Kovacs <kpeter@inf.elte.hu>
# Date 2009-11-13 00:39:28
# Node ID 072ec8120958cfeec887f076b1c1add2a939657e
# Parent  7ef7a5fbb85d640f25d112921cb258e54d6f320d

Small bug fixes (#180)

diff --git a/lemon/capacity_scaling.h b/lemon/capacity_scaling.h
--- a/lemon/capacity_scaling.h
+++ b/lemon/capacity_scaling.h
@@ -681,7 +681,7 @@
 
     // Initialize the algorithm
     ProblemType init() {
-      if (_node_num == 0) return INFEASIBLE;
+      if (_node_num <= 1) return INFEASIBLE;
 
       // Check the sum of supply values
       _sum_supply = 0;
diff --git a/lemon/cost_scaling.h b/lemon/cost_scaling.h
--- a/lemon/cost_scaling.h
+++ b/lemon/cost_scaling.h
@@ -712,7 +712,7 @@
 
     // Initialize the algorithm
     ProblemType init() {
-      if (_res_node_num == 0) return INFEASIBLE;
+      if (_res_node_num <= 1) return INFEASIBLE;
 
       // Check the sum of supply values
       _sum_supply = 0;