# HG changeset patch
# User alpar
# Date 1118830784 0
# Node ID ae55ba000ebbde787bfe7a22cf5bd5c6d90aa7a6
# Parent  94535d1833b56ac3bebca4ee4be906210c5e2445
gcc-4.0 compatibility changes
coloring.cc still generates warnings. Don't know why.

diff -r 94535d1833b5 -r ae55ba000ebb gui/edit_win.cc
--- a/gui/edit_win.cc	Wed Jun 15 10:13:08 2005 +0000
+++ b/gui/edit_win.cc	Wed Jun 15 10:19:44 2005 +0000
@@ -18,7 +18,7 @@
   signal_key_press_event().connect(sigc::mem_fun(*this, &EditWin::close_if_escape_is_pressed));
   
   //buttons array
-  buttons=new (Gtk::RadioButton *) [TOOL_NUM];
+  buttons=new Gtk::RadioButton * [TOOL_NUM];
   for(int i=0;i<TOOL_NUM;i++)
     {
       buttons[i]=NULL;
diff -r 94535d1833b5 -r ae55ba000ebb lemon/concept/graph_component.h
--- a/lemon/concept/graph_component.h	Wed Jun 15 10:13:08 2005 +0000
+++ b/lemon/concept/graph_component.h	Wed Jun 15 10:19:44 2005 +0000
@@ -408,6 +408,7 @@
 	  checkConcept<BaseGraphComponent, _Graph >();
 	  typename _Graph::Node node_a, node_b;
 	  node_a = graph.addNode();
+	  node_b = graph.addNode();
 	  typename _Graph::Edge edge;
 	  edge = graph.addEdge(node_a, node_b);
 	}
@@ -927,6 +928,7 @@
 	  checkConcept<BaseGraphComponent, _Graph >();
 	  typename _Graph::Node node_a, node_b;
 	  node_a = graph.addNode();
+	  node_b = graph.addNode();
 	  typename _Graph::Edge edge;
 	  edge = graph.addEdge(node_a, node_b);      
 	}
diff -r 94535d1833b5 -r ae55ba000ebb lemon/concept/heap.h
--- a/lemon/concept/heap.h	Wed Jun 15 10:13:08 2005 +0000
+++ b/lemon/concept/heap.h	Wed Jun 15 10:19:44 2005 +0000
@@ -155,6 +155,9 @@
 	  Item item;
 	  Prio prio;
 
+	  item=Item();
+	  prio=Prio();
+
 	  ignore_unused_variable_warning(item);
 	  ignore_unused_variable_warning(prio);
 
diff -r 94535d1833b5 -r ae55ba000ebb lemon/graph_to_eps.h
--- a/lemon/graph_to_eps.h	Wed Jun 15 10:13:08 2005 +0000
+++ b/lemon/graph_to_eps.h	Wed Jun 15 10:19:44 2005 +0000
@@ -330,10 +330,10 @@
   typedef typename Graph::InEdgeIt InEdgeIt;
   typedef typename Graph::OutEdgeIt OutEdgeIt;
 
-  static const int INTERPOL_PREC=20;
-  static const double A4HEIGHT = 841.8897637795276;
-  static const double A4WIDTH  = 595.275590551181;
-  static const double A4BORDER = 15;
+  static const int INTERPOL_PREC;
+  static const double A4HEIGHT;
+  static const double A4WIDTH;
+  static const double A4BORDER;
 
   bool dontPrint;
 
@@ -705,8 +705,9 @@
       ctime_r(&tv.tv_sec,cbuf);
       os << "%%CreationDate: " << cbuf;
     }
-    ///\todo: Chech whether the graph is empty.
     BoundingBox<double> bb;
+    ///\bug: Chech whether the graph is empty.
+    if(NodeIt(g)==INVALID) bb+=xy<double>(0,0);
     for(NodeIt n(g);n!=INVALID;++n) {
       double ns=_nodeSizes[n]*_nodeScale;
       xy<double> p(ns,ns);
@@ -975,6 +976,15 @@
   } 
 };
 
+template<class T>
+const int GraphToEps<T>::INTERPOL_PREC = 20;
+template<class T>
+const double GraphToEps<T>::A4HEIGHT = 841.8897637795276;
+template<class T>
+const double GraphToEps<T>::A4WIDTH  = 595.275590551181;
+template<class T>
+const double GraphToEps<T>::A4BORDER = 15;
+
 
 ///Generates an EPS file from a graph
 
diff -r 94535d1833b5 -r ae55ba000ebb lemon/lemon_reader.h
--- a/lemon/lemon_reader.h	Wed Jun 15 10:13:08 2005 +0000
+++ b/lemon/lemon_reader.h	Wed Jun 15 10:19:44 2005 +0000
@@ -310,6 +310,8 @@
 	reader.attach(*this);
       }
 
+      virtual ~SectionReader() {}
+
       /// \brief Gives back true when the SectionReader can process 
       /// the section with the given header line.
       ///
@@ -571,6 +573,7 @@
     class IdReaderBase {
     public:
       typedef _Item Item;
+      virtual ~IdReaderBase() {}
       virtual Item read(std::istream& is) const = 0;
       virtual bool isIdReader() const = 0;
     };
@@ -600,6 +603,7 @@
     class ValueReaderBase {
     public:
       virtual void read(std::istream&) {};
+      virtual ~ValueReaderBase() {}
     };
 
     template <typename _Value, typename _Reader>
diff -r 94535d1833b5 -r ae55ba000ebb lemon/lemon_writer.h
--- a/lemon/lemon_writer.h	Wed Jun 15 10:13:08 2005 +0000
+++ b/lemon/lemon_writer.h	Wed Jun 15 10:19:44 2005 +0000
@@ -131,6 +131,8 @@
       SectionWriter(LemonWriter& writer) {
 	writer.attach(*this);
       }
+      
+      virtual ~SectionWriter() {}
 
       /// \brief The header of section.
       ///
@@ -250,6 +252,7 @@
 
     class ValueWriterBase {
     public:
+      virtual ~ValueWriterBase() {}
       virtual void write(std::ostream&) = 0;
     };
 
@@ -275,6 +278,7 @@
     class IdWriterBase {
     public:
       typedef _Item Item;
+      virtual ~IdWriterBase() {}
       virtual void write(std::ostream&, const Item&) const = 0;
       virtual bool isIdWriter() const = 0;
     };
diff -r 94535d1833b5 -r ae55ba000ebb test/max_matching_test.cc
--- a/test/max_matching_test.cc	Wed Jun 15 10:13:08 2005 +0000
+++ b/test/max_matching_test.cc	Wed Jun 15 10:19:44 2005 +0000
@@ -18,7 +18,7 @@
 #include <iostream>
 #include <vector>
 #include <queue>
-#include <math.h>
+#include <cmath>
 #include <cstdlib>
 
 #include "test_tools.h"