Added changes mainly by Marc

1999-11-22 09:47:32 +00:00 · 1999-11-22 09:47:32 +00:00 · 91f5ddbdaa
commit 91f5ddbdaa
parent 449ed17ff8
28 changed files with 2400 additions and 1595 deletions
--- a/eo/src/eoMerge.h
+++ b/eo/src/eoMerge.h
@ -0,0 +1,115 @@
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+//-----------------------------------------------------------------------------
+// eoMerge.h
+//   Base class for population-merging classes
+// (c) GeNeura Team, 1998
+/* 
+   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 eoMerge_h
+#define eoMerge_h
+
+//-----------------------------------------------------------------------------
+
+#include <iostream>
+
+// EO includes
+#include <eoPop.h>     // eoPop
+#include <eoPopOps.h>  // eoMerge
+
+/**
+ * eoMerge: Base class for replacement algorithms
+ */
+
+template<class Chrom> class eoMerge: public eoBinPopOp<Chrom>
+{
+ public:
+  /// (Default) Constructor.
+  eoMerge(const float& _rate = 1.0): eoBinPopOp<Chrom>(), repRate( _rate ) {}
+
+  /// Ctor from istream
+  eoMerge( istream& _is): eoBinPopOp<Chrom>() { readFrom( _is ); };
+ 
+  /**
+   * Creates a new population based on breeders and original populations.
+   * @param breeders The population of breeders. Should be sorted to work correctly
+   * @param pop The original population.
+   */
+  void operator()( eoPop<Chrom>& _breeders, eoPop<Chrom>& _pop)
+    {
+      unsigned target = static_cast<unsigned>(rint(_pop.size() * rate()));
+      
+      _pop.swap(_breeders);
+      
+      if (target < _pop.size())
+	{
+	  partial_sort(_pop.begin(), _pop.begin() + target, _pop.end(), 
+		       greater<Chrom>());
+	  _pop.erase(_pop.begin() + target, _pop.end());
+	}
+      else
+	{
+	  target = min(target - _pop.size(), _breeders.size());
+	  partial_sort(_breeders.begin(), _breeders.begin() + target, 
+		       _breeders.end(), greater<Chrom>());
+	  copy(_breeders.begin(), _breeders.begin() + target,
+	       back_insert_iterator<eoPop<Chrom> >(_pop));
+	}
+    };
+
+  /** @name Methods from eoObject	*/
+  //@{
+  /**
+   * Read object. The EOT class must have a ctor from a stream;
+   in this case, a strstream is used.
+   * @param _is A istream.
+   
+   */
+  virtual void readFrom(istream& _is) {
+    _is >> repRate;
+  }
+  
+  /**
+   * Write object. Prints relevant parameters to standard output
+   * @param _os A ostream. In this case, prints the population to
+   standard output. The EOT class must hav standard output with cout,
+   but since it should be an eoObject anyways, it's no big deal.
+   */
+  virtual void printOn(ostream& _os) const {
+    _os << repRate;
+  };
+
+  /** Inherited from eoObject. Returns the class name.
+      @see eoObject
+  */
+  virtual string className() const {return "eoMerge";};
+  //@}
+
+ protected:
+  float rate() { return repRate;};
+
+ private:
+  float repRate;
+
+};
+
+//-----------------------------------------------------------------------------
+
+#endif eoInsertion_h