New ES routines

eo/src/es/eoEsStdev.h

@@ -0,0 +1,81 @@
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+//-----------------------------------------------------------------------------
+// eoEsStdev.h
+// (c) GeNeura Team, 2000 - EEAAX 1999 - Maarten Keijzer 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
+             mak@dhi.dk
+ */
+//-----------------------------------------------------------------------------
+
+#ifndef _eoEsStdev_h
+#define _eoEsStdev_h
+
+#include <es/eoEsBase.h>
+
+/**
+\ingroup EvolutionStrategies
+
+Evolutionary strategie style representation, supporting co-evolving standard
+deviations. 
+*/
+
+template <class Fit>
+class eoEsStdev : public eoEsBase<Fit>
+{
+    public :
+    
+    eoEsStdev(void) : eoEsBase<Fit>() {}
+
+    std::string className(void) const { return "eoEsStdev"; }
+    
+    void printOn(std::ostream& os) const
+    {
+        os << size() << ' ';
+
+        std::copy(begin(), end(), std::ostream_iterator<double>(os));
+        
+        os << ' ';
+        std::copy(stdevs.begin(), stdevs.end(), std::ostream_iterator<double>(os));
+    
+        os << ' ';
+    }
+
+    void readFrom(istream& is)
+    {
+        unsigned sz;
+        is >> sz;
+
+        resize(sz);
+        unsigned i;
+
+        for (i = 0; i < sz; ++i)
+            is >> operator[](i);
+
+        stdevs.resize(sz);
+
+        for (i = 0; i < sz; ++i)
+            is >> stdevs[i];
+    }
+
+
+    vector<double> stdevs;
+};
+
+#endif