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eo/src/eoRandomIndiSelector.h

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+/* -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+  -----------------------------------------------------------------------------
+  eoRandomIndiSelector.h
+    Selects individuals at random.
+
+ (c) Maarten Keijzer (mkeijzer@mad.scientist.com) and GeNeura Team, 1999, 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
+ */
+
+#ifndef eoRandomIndiSelector_h
+#define eoRandomIndiSelector_h
+
+#include "eoIndiSelector.h"
+
+/**
+ * eoRandomSelector: just selects a random child
+*/
+template <class EOT>
+class eoRandomIndiSelector : public eoPopIndiSelector<EOT>
+{
+    public :
+
+    eoRandomIndiSelector(void) : eoPopIndiSelector<EOT>() {}
+    virtual ~eoRandomIndiSelector(void) {}
+
+    /// very complex function that returns just an individual
+    const EOT& do_select(void) 
+    {
+        return operator[](rng.random(size()));
+    }
+
+};
+
+#endif
+