[Lemon-commits] Peter Kovacs: Fix gcc 3.3 compilation error (#354)

[Lemon HG]

details:   http://lemon.cs.elte.hu/hg/lemon/rev/a93f1a27d831
changeset: 941:a93f1a27d831
user:      Peter Kovacs <kpeter [at] inf.elte.hu>
date:      Mon Mar 08 08:33:41 2010 +0100
description:
	Fix gcc 3.3 compilation error (#354)

	gcc 3.3 requires that a class has a default constructor if it has
	template named parameters. (That constructor can be protected.)

diffstat:

 lemon/capacity_scaling.h |  4 ++++
 lemon/cost_scaling.h     |  4 ++++
 lemon/hartmann_orlin.h   |  4 ++++
 lemon/howard.h           |  4 ++++
 lemon/karp.h             |  4 ++++
 lemon/suurballe.h        |  4 ++++
 6 files changed, 24 insertions(+), 0 deletions(-)

diffs (84 lines):

diff --git a/lemon/capacity_scaling.h b/lemon/capacity_scaling.h
--- a/lemon/capacity_scaling.h
+++ b/lemon/capacity_scaling.h
@@ -301,6 +301,10 @@
 
     /// @}
 
+  protected:
+
+    CapacityScaling() {}
+
   public:
 
     /// \brief Constructor.
diff --git a/lemon/cost_scaling.h b/lemon/cost_scaling.h
--- a/lemon/cost_scaling.h
+++ b/lemon/cost_scaling.h
@@ -325,6 +325,10 @@
 
     /// @}
 
+  protected:
+
+    CostScaling() {}
+
   public:
 
     /// \brief Constructor.
diff --git a/lemon/hartmann_orlin.h b/lemon/hartmann_orlin.h
--- a/lemon/hartmann_orlin.h
+++ b/lemon/hartmann_orlin.h
@@ -241,6 +241,10 @@
 
     /// @}
 
+  protected:
+
+    HartmannOrlin() {}
+
   public:
 
     /// \brief Constructor.
diff --git a/lemon/howard.h b/lemon/howard.h
--- a/lemon/howard.h
+++ b/lemon/howard.h
@@ -231,6 +231,10 @@
     
     /// @}
 
+  protected:
+
+    Howard() {}
+
   public:
 
     /// \brief Constructor.
diff --git a/lemon/karp.h b/lemon/karp.h
--- a/lemon/karp.h
+++ b/lemon/karp.h
@@ -237,6 +237,10 @@
 
     /// @}
 
+  protected:
+
+    Karp() {}
+
   public:
 
     /// \brief Constructor.
diff --git a/lemon/suurballe.h b/lemon/suurballe.h
--- a/lemon/suurballe.h
+++ b/lemon/suurballe.h
@@ -403,6 +403,10 @@
     PredMap *_init_pred;
     bool _full_init;
 
+  protected:
+
+    Suurballe() {}
+
   public:
 
     /// \brief Constructor.