[Lemon-commits] Peter Kovacs: Small bug fixes (#180)

[Lemon HG]

details:   http://lemon.cs.elte.hu/hg/lemon/rev/072ec8120958
changeset: 887:072ec8120958
user:      Peter Kovacs <kpeter [at] inf.elte.hu>
date:      Fri Nov 13 00:39:28 2009 +0100
description:
	Small bug fixes (#180)

diffstat:

 lemon/capacity_scaling.h |  2 +-
 lemon/cost_scaling.h     |  2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diffs (24 lines):

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;