New ES routines

eo/src/es/eoEsSimple.h

@@ -0,0 +1,81 @@
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+//-----------------------------------------------------------------------------
+// eoEsSimple.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 _eoEsSimple_h
+#define _eoEsSimple_h
+
+#include <EO.h>
+#include <vector>
+
+#include <es/eoEsBase.h>
+
+/**
+\ingroup EvolutionStrategies
+
+  One of the more simple evolution strategies, sporting just a single
+stdeviation for the entire chromosome. For more advanced versions 
+see also eoEsStdev eoEsFull
+
+  @see eoEsStdev eoEsFull
+
+*/
+
+template <class Fit>
+class eoEsSimple : public eoEsBase<Fit>
+{
+public :
+
+    eoEsSimple(void) : eoEsBase<Fit>() {}
+
+    std::string className(void) const { return "eoEsSimple"; }
+
+    void printOn(ostream& os) const
+    {
+        os << size() << ' ';
+
+        std::copy(begin(), end(), ostream_iterator<double>(os));
+        
+        os << ' ' << stdev << ' ';
+    }
+
+    void readFrom(istream& is)
+    {
+        unsigned sz;
+        is >> sz;
+
+        resize(sz);
+        unsigned i;
+
+        for (i = 0; i < sz; ++i)
+            is >> operator[](i);
+
+        is >> stdev;
+    }
+
+    double stdev;
+};
+
+#endif