Changes in / [719:7bf1117178af:716:2f9d9bcc1867] in lemon-1.1

File:

• lemon/suurballe.h (modified) (3 diffs)

lemon/suurballe.h

@@ -56 +56 @@
   /// The default value is <tt>GR::ArcMap<int></tt>.
   ///
-  /// \warning Length values should be \e non-negative.
+  /// \warning Length values should be \e non-negative \e integers.
   ///
   /// \note For finding node-disjoint paths this algorithm can be used
@@ -253 +253 @@
       _graph(graph), _length(length), _flow(0), _local_flow(false),
       _potential(0), _local_potential(false), _pred(graph)
-    {}
+    {
+      LEMON_ASSERT(std::numeric_limits<Length>::is_integer,
+        "The length type of Suurballe must be integer");
+    }
 
     /// Destructor.
@@ -518 +521 @@
     /// \pre \ref run() or \ref findPaths() must be called before using
     /// this function.
-    const Path& path(int i) const {
+    Path path(int i) const {
       return paths[i];
     }