Changeset 781:6f10c6ec5a21 in lemon-main

Timestamp:

09/28/09 15:53:20 (15 years ago)

Author:

Peter Kovacs <kpeter@…>

Branch:

default

Phase:

public

Message:

Small fixes related to BellmanFord? (#51)

• Add a missing #include.
• Add a missing const keyword for negativeCycle().
• Test if negativeCycle() is const function.

Files:

• lemon/bellman_ford.h (modified) (2 diffs)
• test/bellman_ford_test.cc (modified) (2 diffs)

lemon/bellman_ford.h

@@ -24 +24 @@
 /// \brief Bellman-Ford algorithm.
 
+#include <lemon/list_graph.h>
 #include <lemon/bits/path_dump.h>
 #include <lemon/core.h>
@@ -776 +777 @@
     /// length if the algorithm has already found one.
     /// Otherwise it gives back an empty path.
-    lemon::Path<Digraph> negativeCycle() {
+    lemon::Path<Digraph> negativeCycle() const {
       typename Digraph::template NodeMap<int> state(*_gr, -1);
       lemon::Path<Digraph> cycle;

test/bellman_ford_test.cc

@@ -97 +97 @@
     p  = const_bf_test.predMap();
     pp = const_bf_test.path(t);
+    pp = const_bf_test.negativeCycle();
     
     for (BF::ActiveIt it(const_bf_test); it != INVALID; ++it) {}
@@ -133 +134 @@
     b  = bf_test.reached(t);
     pp = bf_test.path(t);
+    pp = bf_test.negativeCycle();
   }
 }