1.1 --- a/lemon/preflow.h Tue Dec 02 15:33:22 2008 +0000
1.2 +++ b/lemon/preflow.h Fri Dec 05 00:22:47 2008 +0100
1.3 @@ -366,7 +366,7 @@
1.4 ///
1.5 /// \pre Either \ref run() or \ref init() must be called before
1.6 /// using this function.
1.7 - const Elevator& elevator() {
1.8 + const Elevator& elevator() const {
1.9 return *_level;
1.10 }
1.11
1.12 @@ -918,7 +918,7 @@
1.13 ///
1.14 /// \pre Either \ref run() or \ref init() must be called before
1.15 /// using this function.
1.16 - const FlowMap& flowMap() {
1.17 + const FlowMap& flowMap() const {
1.18 return *_flow;
1.19 }
1.20