# HG changeset patch
# User Alpar Juttner <alpar@cs.elte.hu>
# Date 1347531199 -7200
# Node ID 404b98971e1fbb4e408966cad1226ad679a03a55
# Parent  b6347aae6575c485effed5e284dd62e38b14da83# Parent  00f8d9f9920dc88cb0b570a6bb2a7fcfeebee715
Merge #449

diff -r b6347aae6575 -r 404b98971e1f lemon/adaptors.h
--- a/lemon/adaptors.h	Wed Sep 12 17:34:01 2012 +0200
+++ b/lemon/adaptors.h	Thu Sep 13 12:13:19 2012 +0200
@@ -1371,7 +1371,7 @@
     /// Creates a subgraph for the given graph with the given node
     /// and edge filter maps.
     SubGraph(GR& graph, NF& node_filter, EF& edge_filter) {
-      initialize(graph, node_filter, edge_filter);
+      this->initialize(graph, node_filter, edge_filter);
     }
 
     /// \brief Sets the status of the given node
@@ -2277,7 +2277,7 @@
     ///
     /// Creates an undirected graph from the given digraph.
     Undirector(DGR& digraph) {
-      initialize(digraph);
+      this->initialize(digraph);
     }
 
     /// \brief Arc map combined from two original arc maps
diff -r b6347aae6575 -r 404b98971e1f lemon/bits/bezier.h
--- a/lemon/bits/bezier.h	Wed Sep 12 17:34:01 2012 +0200
+++ b/lemon/bits/bezier.h	Thu Sep 13 12:13:19 2012 +0200
@@ -159,7 +159,7 @@
     const Point c=(p3+p4)/2;
     const Point d=(a+b)/2;
     const Point e=(b+c)/2;
-    const Point f=(d+e)/2;
+    // const Point f=(d+e)/2;
     R f1=_f(Bezier3(p1,a,d,e),_d);
     R f2=_f(Bezier3(e,d,c,p4),_d);
     return _s(f1,f2);
diff -r b6347aae6575 -r 404b98971e1f lemon/bits/edge_set_extender.h
--- a/lemon/bits/edge_set_extender.h	Wed Sep 12 17:34:01 2012 +0200
+++ b/lemon/bits/edge_set_extender.h	Thu Sep 13 12:13:19 2012 +0200
@@ -523,13 +523,13 @@
     //
     // Returns the base node of the iterator
     Node baseNode(const IncEdgeIt &e) const {
-      return e.direction ? u(e) : v(e);
+      return e.direction ? this->u(e) : this->v(e);
     }
     // Running node of the iterator
     //
     // Returns the running node of the iterator
     Node runningNode(const IncEdgeIt &e) const {
-      return e.direction ? v(e) : u(e);
+      return e.direction ? this->v(e) : this->u(e);
     }
 
 
diff -r b6347aae6575 -r 404b98971e1f lemon/bits/graph_extender.h
--- a/lemon/bits/graph_extender.h	Wed Sep 12 17:34:01 2012 +0200
+++ b/lemon/bits/graph_extender.h	Thu Sep 13 12:13:19 2012 +0200
@@ -587,13 +587,13 @@
     //
     // Returns the base node of the iterator
     Node baseNode(const IncEdgeIt &edge) const {
-      return edge._direction ? u(edge) : v(edge);
+      return edge._direction ? this->u(edge) : this->v(edge);
     }
     // Running node of the iterator
     //
     // Returns the running node of the iterator
     Node runningNode(const IncEdgeIt &edge) const {
-      return edge._direction ? v(edge) : u(edge);
+      return edge._direction ? this->v(edge) : this->u(edge);
     }
 
     // Mappable extension
diff -r b6347aae6575 -r 404b98971e1f lemon/circulation.h
--- a/lemon/circulation.h	Wed Sep 12 17:34:01 2012 +0200
+++ b/lemon/circulation.h	Thu Sep 13 12:13:19 2012 +0200
@@ -572,8 +572,6 @@
     {
 
       Node act;
-      Node bact=INVALID;
-      Node last_activated=INVALID;
       while((act=_level->highestActive())!=INVALID) {
         int actlevel=(*_level)[act];
         int mlevel=_node_num;
diff -r b6347aae6575 -r 404b98971e1f lemon/concept_check.h
--- a/lemon/concept_check.h	Wed Sep 12 17:34:01 2012 +0200
+++ b/lemon/concept_check.h	Thu Sep 13 12:13:19 2012 +0200
@@ -35,6 +35,22 @@
   */
 
   template <class T> inline void ignore_unused_variable_warning(const T&) { }
+  template <class T1, class T2>
+  inline void ignore_unused_variable_warning(const T1&, const T2&) { }
+  template <class T1, class T2, class T3>
+  inline void ignore_unused_variable_warning(const T1&, const T2&,
+                                             const T3&) { }
+  template <class T1, class T2, class T3, class T4>
+  inline void ignore_unused_variable_warning(const T1&, const T2&,
+                                             const T3&, const T4&) { }
+  template <class T1, class T2, class T3, class T4, class T5>
+  inline void ignore_unused_variable_warning(const T1&, const T2&,
+                                             const T3&, const T4&,
+                                             const T5&) { }
+  template <class T1, class T2, class T3, class T4, class T5, class T6>
+  inline void ignore_unused_variable_warning(const T1&, const T2&,
+                                             const T3&, const T4&,
+                                             const T5&, const T6&) { }
 
   ///\e
   template <class Concept>
diff -r b6347aae6575 -r 404b98971e1f lemon/concepts/graph_components.h
--- a/lemon/concepts/graph_components.h	Wed Sep 12 17:34:01 2012 +0200
+++ b/lemon/concepts/graph_components.h	Thu Sep 13 12:13:19 2012 +0200
@@ -494,6 +494,8 @@
           _GraphItemIt it2;
           _GraphItemIt it3 = it1;
           _GraphItemIt it4 = INVALID;
+          ignore_unused_variable_warning(it3);
+          ignore_unused_variable_warning(it4);
 
           it2 = ++it1;
           ++it2 = it1;
@@ -583,6 +585,8 @@
           _GraphIncIt it2;
           _GraphIncIt it3 = it1;
           _GraphIncIt it4 = INVALID;
+          ignore_unused_variable_warning(it3);
+          ignore_unused_variable_warning(it4);
 
           it2 = ++it1;
           ++it2 = it1;
diff -r b6347aae6575 -r 404b98971e1f lemon/concepts/maps.h
--- a/lemon/concepts/maps.h	Wed Sep 12 17:34:01 2012 +0200
+++ b/lemon/concepts/maps.h	Thu Sep 13 12:13:19 2012 +0200
@@ -49,7 +49,7 @@
 
       /// Returns the value associated with the given key.
       Value operator[](const Key &) const {
-        return *static_cast<Value *>(0);
+        return *(static_cast<Value *>(0)+1);
       }
 
       template<typename _ReadMap>
diff -r b6347aae6575 -r 404b98971e1f lemon/graph_to_eps.h
--- a/lemon/graph_to_eps.h	Wed Sep 12 17:34:01 2012 +0200
+++ b/lemon/graph_to_eps.h	Thu Sep 13 12:13:19 2012 +0200
@@ -222,7 +222,7 @@
   using T::_title;
   using T::_copyright;
 
-  using T::NodeTextColorType;
+  using typename T::NodeTextColorType;
   using T::CUST_COL;
   using T::DIST_COL;
   using T::DIST_BW;
diff -r b6347aae6575 -r 404b98971e1f lemon/planarity.h
--- a/lemon/planarity.h	Wed Sep 12 17:34:01 2012 +0200
+++ b/lemon/planarity.h	Thu Sep 13 12:13:19 2012 +0200
@@ -72,7 +72,6 @@
       }
 
       void discover(const Arc& arc) {
-        Node source = _graph.source(arc);
         Node target = _graph.target(arc);
 
         _tree_map[arc] = true;
diff -r b6347aae6575 -r 404b98971e1f test/adaptors_test.cc
--- a/test/adaptors_test.cc	Wed Sep 12 17:34:01 2012 +0200
+++ b/test/adaptors_test.cc	Thu Sep 13 12:13:19 2012 +0200
@@ -65,6 +65,7 @@
   Digraph::Arc a1 = digraph.addArc(n1, n2);
   Digraph::Arc a2 = digraph.addArc(n1, n3);
   Digraph::Arc a3 = digraph.addArc(n2, n3);
+  ignore_unused_variable_warning(a3);
 
   // Check the adaptor
   checkGraphNodeList(adaptor, 3);
@@ -99,6 +100,7 @@
   Adaptor::Arc a6 = adaptor.addArc(n2, n4);
   Adaptor::Arc a7 = adaptor.addArc(n1, n4);
   Adaptor::Arc a8 = adaptor.addArc(n1, n2);
+  ignore_unused_variable_warning(a6,a7,a8);
 
   adaptor.erase(a1);
   adaptor.erase(n3);
@@ -758,6 +760,7 @@
   Digraph::Arc a1 = digraph.addArc(n1, n2);
   Digraph::Arc a2 = digraph.addArc(n1, n3);
   Digraph::Arc a3 = digraph.addArc(n2, n3);
+  ignore_unused_variable_warning(a1,a2,a3);
 
   checkGraphNodeList(adaptor, 6);
   checkGraphArcList(adaptor, 6);
diff -r b6347aae6575 -r 404b98971e1f test/bellman_ford_test.cc
--- a/test/bellman_ford_test.cc	Wed Sep 12 17:34:01 2012 +0200
+++ b/test/bellman_ford_test.cc	Thu Sep 13 12:13:19 2012 +0200
@@ -190,7 +190,7 @@
   check(pathTarget(gr, p) == t, "path() found a wrong path.");
 
   ListPath<Digraph> path;
-  Value dist;
+  Value dist = 0;
   bool reached = bellmanFord(gr,length).path(path).dist(dist).run(s,t);
 
   check(reached && dist == -1, "Bellman-Ford found a wrong path.");
diff -r b6347aae6575 -r 404b98971e1f test/connectivity_test.cc
--- a/test/connectivity_test.cc	Wed Sep 12 17:34:01 2012 +0200
+++ b/test/connectivity_test.cc	Thu Sep 13 12:13:19 2012 +0200
@@ -68,6 +68,7 @@
     Digraph::NodeMap<int> order(d);
     Graph g(d);
     Digraph::Node n = d.addNode();
+    ignore_unused_variable_warning(n);
 
     check(stronglyConnected(d), "This digraph is strongly connected");
     check(countStronglyConnectedComponents(d) == 1,
@@ -245,6 +246,7 @@
     Digraph::Node shoe = d.addNode();
     Digraph::Node watch = d.addNode();
     Digraph::Node pants = d.addNode();
+    ignore_unused_variable_warning(watch);
 
     d.addArc(socks, shoe);
     d.addArc(pants, shoe);
diff -r b6347aae6575 -r 404b98971e1f test/digraph_test.cc
--- a/test/digraph_test.cc	Wed Sep 12 17:34:01 2012 +0200
+++ b/test/digraph_test.cc	Thu Sep 13 12:13:19 2012 +0200
@@ -64,6 +64,7 @@
   Arc a2 = G.addArc(n2, n1),
       a3 = G.addArc(n2, n3),
       a4 = G.addArc(n2, n3);
+  ignore_unused_variable_warning(a2,a3,a4);
 
   checkGraphNodeList(G, 3);
   checkGraphArcList(G, 4);
@@ -92,6 +93,7 @@
   Node n1 = G.addNode(), n2 = G.addNode(), n3 = G.addNode();
   Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n2, n1),
       a3 = G.addArc(n2, n3), a4 = G.addArc(n2, n3);
+  ignore_unused_variable_warning(a1,a2,a3,a4);
 
   Node n4 = G.split(n2);
 
@@ -125,6 +127,7 @@
   Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n4, n1),
       a3 = G.addArc(n4, n3), a4 = G.addArc(n4, n3),
       a5 = G.addArc(n2, n4);
+  ignore_unused_variable_warning(a1,a2,a3,a5);
 
   checkGraphNodeList(G, 4);
   checkGraphArcList(G, 5);
@@ -204,6 +207,7 @@
   Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n4, n1),
       a3 = G.addArc(n4, n3), a4 = G.addArc(n3, n1),
       a5 = G.addArc(n2, n4);
+  ignore_unused_variable_warning(a2,a3,a4,a5);
 
   // Check arc deletion
   G.erase(a1);
@@ -251,6 +255,7 @@
   Node n1 = G.addNode(), n2 = G.addNode(), n3 = G.addNode();
   Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n2, n1),
       a3 = G.addArc(n2, n3), a4 = G.addArc(n2, n3);
+  ignore_unused_variable_warning(a1,a2,a3,a4);
 
   typename Digraph::Snapshot snapshot(G);
 
@@ -351,6 +356,7 @@
   Arc
     e1 = g.addArc(n1, n2),
     e2 = g.addArc(n2, n3);
+  ignore_unused_variable_warning(e2);
 
   check(g.valid(n1), "Wrong validity check");
   check(g.valid(e1), "Wrong validity check");
@@ -436,6 +442,7 @@
     a2 = g.addArc(n2, n1),
     a3 = g.addArc(n2, n3),
     a4 = g.addArc(n2, n3);
+  ignore_unused_variable_warning(a2,a3,a4);
 
   digraphCopy(g, G).nodeRef(nref).run();
 
diff -r b6347aae6575 -r 404b98971e1f test/edge_set_test.cc
--- a/test/edge_set_test.cc	Wed Sep 12 17:34:01 2012 +0200
+++ b/test/edge_set_test.cc	Thu Sep 13 12:13:19 2012 +0200
@@ -44,10 +44,12 @@
     n2 = digraph.addNode();
 
   Digraph::Arc ga1 = digraph.addArc(n1, n2);
+  ignore_unused_variable_warning(ga1);
 
   ArcSet arc_set(digraph);
 
   Digraph::Arc ga2 = digraph.addArc(n2, n1);
+  ignore_unused_variable_warning(ga2);
 
   checkGraphNodeList(arc_set, 2);
   checkGraphArcList(arc_set, 0);
@@ -75,6 +77,8 @@
   ArcSet::Arc a2 = arc_set.addArc(n2, n1),
     a3 = arc_set.addArc(n2, n3),
     a4 = arc_set.addArc(n2, n3);
+  ignore_unused_variable_warning(a2,a3,a4);
+
   checkGraphNodeList(arc_set, 3);
   checkGraphArcList(arc_set, 4);
 
@@ -110,10 +114,12 @@
     n2 = digraph.addNode();
 
   Digraph::Arc ga1 = digraph.addArc(n1, n2);
+  ignore_unused_variable_warning(ga1);
 
   ArcSet arc_set(digraph);
 
   Digraph::Arc ga2 = digraph.addArc(n2, n1);
+  ignore_unused_variable_warning(ga2);
 
   checkGraphNodeList(arc_set, 2);
   checkGraphArcList(arc_set, 0);
@@ -141,6 +147,8 @@
   ArcSet::Arc a2 = arc_set.addArc(n2, n1),
     a3 = arc_set.addArc(n2, n3),
     a4 = arc_set.addArc(n2, n3);
+  ignore_unused_variable_warning(a2,a3,a4);
+
   checkGraphNodeList(arc_set, 3);
   checkGraphArcList(arc_set, 4);
 
@@ -190,10 +198,12 @@
     n2 = digraph.addNode();
 
   Digraph::Arc ga1 = digraph.addArc(n1, n2);
+  ignore_unused_variable_warning(ga1);
 
   EdgeSet edge_set(digraph);
 
   Digraph::Arc ga2 = digraph.addArc(n2, n1);
+  ignore_unused_variable_warning(ga2);
 
   checkGraphNodeList(edge_set, 2);
   checkGraphArcList(edge_set, 0);
@@ -230,6 +240,8 @@
   EdgeSet::Edge e2 = edge_set.addEdge(n2, n1),
     e3 = edge_set.addEdge(n2, n3),
     e4 = edge_set.addEdge(n2, n3);
+  ignore_unused_variable_warning(e2,e3,e4);
+
   checkGraphNodeList(edge_set, 3);
   checkGraphEdgeList(edge_set, 4);
 
@@ -274,10 +286,12 @@
     n2 = digraph.addNode();
 
   Digraph::Arc ga1 = digraph.addArc(n1, n2);
+  ignore_unused_variable_warning(ga1);
 
   EdgeSet edge_set(digraph);
 
   Digraph::Arc ga2 = digraph.addArc(n2, n1);
+  ignore_unused_variable_warning(ga2);
 
   checkGraphNodeList(edge_set, 2);
   checkGraphArcList(edge_set, 0);
@@ -314,6 +328,8 @@
   EdgeSet::Edge e2 = edge_set.addEdge(n2, n1),
     e3 = edge_set.addEdge(n2, n3),
     e4 = edge_set.addEdge(n2, n3);
+  ignore_unused_variable_warning(e2,e3,e4);
+
   checkGraphNodeList(edge_set, 3);
   checkGraphEdgeList(edge_set, 4);
 
diff -r b6347aae6575 -r 404b98971e1f test/euler_test.cc
--- a/test/euler_test.cc	Wed Sep 12 17:34:01 2012 +0200
+++ b/test/euler_test.cc	Thu Sep 13 12:13:19 2012 +0200
@@ -101,7 +101,8 @@
     Digraph d;
     Graph g(d);
     Digraph::Node n = d.addNode();
-
+    ignore_unused_variable_warning(n);
+  
     checkDiEulerIt(d);
     checkDiEulerIt(g);
     checkEulerIt(g);
@@ -189,6 +190,7 @@
     Digraph::Node n3 = d.addNode();
     Digraph::Node n4 = d.addNode();
     Digraph::Node n5 = d.addNode();
+    ignore_unused_variable_warning(n0,n4,n5);
 
     d.addArc(n1, n2);
     d.addArc(n2, n3);
diff -r b6347aae6575 -r 404b98971e1f test/fractional_matching_test.cc
--- a/test/fractional_matching_test.cc	Wed Sep 12 17:34:01 2012 +0200
+++ b/test/fractional_matching_test.cc	Thu Sep 13 12:13:19 2012 +0200
@@ -342,6 +342,7 @@
       check(indeg == 1, "Invalid matching");
       pv += weight[mwfm.matching(n)];
       SmartGraph::Node o = graph.target(mwfm.matching(n));
+      ignore_unused_variable_warning(o);
     } else {
       check(mwfm.nodeValue(n) == 0, "Invalid matching");
       check(indeg == 0, "Invalid matching");
@@ -406,6 +407,7 @@
     check(indeg == 1, "Invalid perfect matching");
     pv += weight[mwpfm.matching(n)];
     SmartGraph::Node o = graph.target(mwpfm.matching(n));
+    ignore_unused_variable_warning(o);
   }
 
   for (SmartGraph::EdgeIt e(graph); e != INVALID; ++e) {
diff -r b6347aae6575 -r 404b98971e1f test/graph_test.cc
--- a/test/graph_test.cc	Wed Sep 12 17:34:01 2012 +0200
+++ b/test/graph_test.cc	Thu Sep 13 12:13:19 2012 +0200
@@ -66,6 +66,7 @@
 
   Edge e2 = G.addEdge(n2, n1),
        e3 = G.addEdge(n2, n3);
+  ignore_unused_variable_warning(e2,e3);
 
   checkGraphNodeList(G, 3);
   checkGraphEdgeList(G, 3);
@@ -98,6 +99,7 @@
   Edge e1 = G.addEdge(n1, n2), e2 = G.addEdge(n2, n1),
        e3 = G.addEdge(n2, n3), e4 = G.addEdge(n1, n4),
        e5 = G.addEdge(n4, n3);
+  ignore_unused_variable_warning(e1,e3,e4,e5);
 
   checkGraphNodeList(G, 4);
   checkGraphEdgeList(G, 5);
@@ -177,6 +179,7 @@
   Edge e1 = G.addEdge(n1, n2), e2 = G.addEdge(n2, n1),
        e3 = G.addEdge(n2, n3), e4 = G.addEdge(n1, n4),
        e5 = G.addEdge(n4, n3);
+  ignore_unused_variable_warning(e1,e3,e4,e5);
 
   // Check edge deletion
   G.erase(e2);
@@ -217,6 +220,7 @@
   Node n1 = G.addNode(), n2 = G.addNode(), n3 = G.addNode();
   Edge e1 = G.addEdge(n1, n2), e2 = G.addEdge(n2, n1),
        e3 = G.addEdge(n2, n3);
+  ignore_unused_variable_warning(e1,e2,e3);
 
   checkGraphNodeList(G, 3);
   checkGraphEdgeList(G, 3);
@@ -381,6 +385,7 @@
   Edge
     e1 = g.addEdge(n1, n2),
     e2 = g.addEdge(n2, n3);
+  ignore_unused_variable_warning(e2);
 
   check(g.valid(n1), "Wrong validity check");
   check(g.valid(e1), "Wrong validity check");
@@ -519,6 +524,7 @@
   checkGraphArcList(G, dim * (1 << dim));
 
   Node n = G.nodeFromId(dim);
+  ignore_unused_variable_warning(n);
 
   for (NodeIt n(G); n != INVALID; ++n) {
     checkGraphIncEdgeList(G, n, dim);
diff -r b6347aae6575 -r 404b98971e1f test/maps_test.cc
--- a/test/maps_test.cc	Wed Sep 12 17:34:01 2012 +0200
+++ b/test/maps_test.cc	Thu Sep 13 12:13:19 2012 +0200
@@ -103,6 +103,7 @@
     checkConcept<ReadWriteMap<A,B>, NullMap<A,B> >();
     NullMap<A,B> map1;
     NullMap<A,B> map2 = map1;
+    ignore_unused_variable_warning(map2);
     map1 = nullMap<A,B>();
   }
 
@@ -113,11 +114,15 @@
     ConstMap<A,B> map1;
     ConstMap<A,B> map2 = B();
     ConstMap<A,B> map3 = map1;
+    ignore_unused_variable_warning(map2,map3);
+
     map1 = constMap<A>(B());
     map1 = constMap<A,B>();
     map1.setAll(B());
     ConstMap<A,C> map4(C(1));
     ConstMap<A,C> map5 = map4;
+    ignore_unused_variable_warning(map5);
+
     map4 = constMap<A>(C(2));
     map4.setAll(C(3));
 
@@ -138,6 +143,8 @@
     checkConcept<ReadMap<A,A>, IdentityMap<A> >();
     IdentityMap<A> map1;
     IdentityMap<A> map2 = map1;
+    ignore_unused_variable_warning(map2);
+
     map1 = identityMap<A>();
 
     checkConcept<ReadMap<double,double>, IdentityMap<double> >();
@@ -197,7 +204,9 @@
     typedef ComposeMap<DoubleMap, ReadMap<B,A> > CompMap;
     checkConcept<ReadMap<B,double>, CompMap>();
     CompMap map1 = CompMap(DoubleMap(),ReadMap<B,A>());
+    ignore_unused_variable_warning(map1);
     CompMap map2 = composeMap(DoubleMap(), ReadMap<B,A>());
+    ignore_unused_variable_warning(map2);
 
     SparseMap<double, bool> m1(false); m1[3.14] = true;
     RangeMap<double> m2(2); m2[0] = 3.0; m2[1] = 3.14;
@@ -210,7 +219,9 @@
     typedef CombineMap<DoubleMap, DoubleMap, std::plus<double> > CombMap;
     checkConcept<ReadMap<A,double>, CombMap>();
     CombMap map1 = CombMap(DoubleMap(), DoubleMap());
+    ignore_unused_variable_warning(map1);
     CombMap map2 = combineMap(DoubleMap(), DoubleMap(), std::plus<double>());
+    ignore_unused_variable_warning(map2);
 
     check(combineMap(constMap<B,int,2>(), identityMap<B>(), &binc)[B()] == 3,
           "Something is wrong with CombineMap");
@@ -222,11 +233,15 @@
     checkConcept<ReadMap<A,B>, FunctorToMap<F> >();
     FunctorToMap<F> map1;
     FunctorToMap<F> map2 = FunctorToMap<F>(F());
+    ignore_unused_variable_warning(map2);
+
     B b = functorToMap(F())[A()];
+    ignore_unused_variable_warning(b);
 
     checkConcept<ReadMap<A,B>, MapToFunctor<ReadMap<A,B> > >();
     MapToFunctor<ReadMap<A,B> > map =
       MapToFunctor<ReadMap<A,B> >(ReadMap<A,B>());
+    ignore_unused_variable_warning(map);
 
     check(functorToMap(&func)[A()] == 3,
           "Something is wrong with FunctorToMap");
@@ -244,7 +259,10 @@
     checkConcept<ReadMap<double,double>,
       ConvertMap<ReadMap<double, int>, double> >();
     ConvertMap<RangeMap<bool>, int> map1(rangeMap(1, true));
+    ignore_unused_variable_warning(map1);
     ConvertMap<RangeMap<bool>, int> map2 = convertMap<int>(rangeMap(2, false));
+    ignore_unused_variable_warning(map2);
+
   }
 
   // ForkMap
diff -r b6347aae6575 -r 404b98971e1f test/time_measure_test.cc
--- a/test/time_measure_test.cc	Wed Sep 12 17:34:01 2012 +0200
+++ b/test/time_measure_test.cc	Thu Sep 13 12:13:19 2012 +0200
@@ -17,6 +17,7 @@
  */
 
 #include <lemon/time_measure.h>
+#include <lemon/concept_check.h>
 
 using namespace lemon;
 
@@ -32,7 +33,10 @@
   static Timer T;
 
   for(int i=0;i<1000;i++)
-    TimeStamp x(T);
+    {
+      TimeStamp x(T);
+      ignore_unused_variable_warning(x);
+    }
 }
 
 int main()