Added new files to the brew, mainly distance and new-op-interface related

eo/src/eoProportionalGOpSel.h

@@ -0,0 +1,51 @@
+/** -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+    -----------------------------------------------------------------------------
+    eoProportionalGOpSel.h
+      Proportional operator selector, selects operators proportionally to its rate
+
+    (c) Maarten Keijzer, GeNeura Team 1998, 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 eoProportionalGOpSel_h
+#define eoProportionalGOpSel_h
+
+//-----------------------------------------------------------------------------
+
+#include <eoGOpSelector.h>  // eoOpSelector
+
+template <class EOT> 
+class eoProportionalGOpSel : public eoGOpSelector<EOT>
+{
+public :
+  eoProportionalGOpSel() : eoGOpSelector<EOT>() {}
+  
+  /** Returns the operator proportionally selected */
+  virtual eoGeneralOp<EOT>& selectOp()
+    {
+      unsigned what = rng.roulette_wheel(rates);
+      return *operator[](what);
+    }
+
+   ///
+  virtual string className() const { return "eoGOpSelector"; };
+
+};
+
+#endif eoProportionalGOpSel_h