particle-swarm-optimization main templates added

2007-07-02 12:58:13 +00:00 · 2007-07-02 12:58:13 +00:00 · bec7d02c50
commit bec7d02c50
parent a6de2b9a3a
33 changed files with 3733 additions and 0 deletions
--- a/eo/src/eoRealBoundModifier.h
+++ b/eo/src/eoRealBoundModifier.h
@ -0,0 +1,97 @@
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+//-----------------------------------------------------------------------------
+// eoRealBoundModifier.h
+// (c) OPAC 2007
+/*
+    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: thomas.legrand@lifl.fr
+ */
+//-----------------------------------------------------------------------------
+
+#ifndef EOREALBOUNDMODIFIER_H
+#define EOREALBOUNDMODIFIER_H
+
+//-----------------------------------------------------------------------------
+#include <eoFunctor.h>
+#include <utils/eoRealVectorBounds.h>
+//-----------------------------------------------------------------------------
+
+/**
+ * Abstract class for eoRealVectorBounds modifier.
+ * Used to modify the bounds included into the eoRealVectorBounds object.
+ */
+class eoRealBoundModifier: public eoBF < eoRealBaseVectorBounds &,unsigned,void > {};
+
+
+/**
+ * An eoRealBoundModifier that modify nothing !
+ */
+class eoDummyRealBoundModifier: public eoRealBoundModifier
+{
+public:
+
+    eoDummyRealBoundModifier (){}
+
+    void operator() (eoRealBaseVectorBounds & _bnds,unsigned _i){}
+};
+
+
+
+/**
+ * Modify an eoReal(Base)VectorBounds :
+ * At iteration t, the interval I(t)=[min,max] is updated as:
+ * I(t)=[min,(1-(t/Nt)^alpha)*max] where
+ * - t, the current iteration, is given with an eoValueParam<unsigned>
+ * - Nt is the stopping criteria <=> the total number of iterations
+ * - alpha a coefficient
+ * 
+ */
+class eoExpDecayingBoundModifier: public eoRealBoundModifier
+{
+public:
+	
+	/**
+	 * Constructor
+	 * @param _stopCriteria - The total number of iterations
+	 * @param _alpha 
+	 * @param _genCounter - An eoValueParam<unsigned> that gives the current iteration
+	 */
+    eoExpDecayingBoundModifier (unsigned _stopCriteria,
+                                double _alpha,
+                                eoValueParam<unsigned> & _genCounter):
+            					stopCriteria(_stopCriteria),
+           						alpha(_alpha),
+            					genCounter(_genCounter){}
+            
+            
+    void operator() (eoRealBaseVectorBounds & _bnds,unsigned _i)
+    {
+        double newMaxBound=(1-pow((double)genCounter.value()/stopCriteria,alpha))*_bnds.maximum(_i);
+
+        // should delete the old eoRealBounds ?
+        _bnds[_i]=new eoRealInterval(_bnds.minimum(_i),std::max(_bnds.minimum(_i),newMaxBound));
+    }
+
+
+protected:
+    unsigned stopCriteria;
+    double alpha;
+    eoValueParam<unsigned> & genCounter;
+
+};
+
+#endif/*EOREALBOUNDMODIFIER_H*/