eoEvalFuncCounter is now in a separate file

eo/src/eoEvalFuncCounter.h

@@ -0,0 +1,56 @@
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+//-----------------------------------------------------------------------------
+// eoEvalFuncCounter.h
+// (c) Maarten Keijzer, Marc Schoenauer and GeNeura Team, 2000
+/* 
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    Contact: todos@geneura.ugr.es, http://geneura.ugr.es
+             Marc.Schoenauer@polytechnique.fr
+             mkeijzer@dhi.dk
+ */
+//-----------------------------------------------------------------------------
+
+#ifndef eoEvalFuncCounter_H
+#define eoEvalFuncCounter_H
+
+#include <eoEvalFunc.h>
+#include <utils/eoParam.h>
+
+/** 
+Counts the number of evaluations actually performed, thus checks first
+if it has to evaluate.. etc.
+*/
+template<class EOT> class eoEvalFuncCounter : public eoEvalFunc<EOT>, public eoValueParam<unsigned long>
+{
+    public :
+        eoEvalFuncCounter(eoEvalFunc<EOT>& _func, std::string _name = "Eval. ") 
+            : eoValueParam<unsigned long>(0, _name), func(_func) {}
+
+        virtual void operator()(EOT& _eo)
+        {
+            if (_eo.invalid())
+            {
+                value()++;
+                func(_eo);
+            }
+        }
+
+    private :
+        eoEvalFunc<EOT>& func;
+};
+
+#endif