From 3074101d1c18cb8a7fbbc2238bac92bf24154fa2 Mon Sep 17 00:00:00 2001
From: evomarc <evomarc>
Date: Tue, 2 Jan 2001 13:27:11 +0000
Subject: [PATCH] Adding eoDetSelect, deterministic batch selection, that
 copies the individuals one after the other. Should shuffle them in between
 (TODO).

---
 eo/src/eoDetSelect.h | 85 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 eo/src/eoDetSelect.h

diff --git a/eo/src/eoDetSelect.h b/eo/src/eoDetSelect.h
new file mode 100644
index 000000000..130f7dba7
--- /dev/null
+++ b/eo/src/eoDetSelect.h
@@ -0,0 +1,85 @@
+/** -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+   -----------------------------------------------------------------------------
+   eoDetSelect.h 
+   (c) Merc Schoenauer, Maarten Keijzer, GeNeura Team, 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
+             mkeijzer@dhi.dk
+ */
+//-----------------------------------------------------------------------------
+
+#ifndef _eoDetSelect_h
+#define _eoDetSelect_h
+
+
+//-----------------------------------------------------------------------------
+#include <eoSelect.h>
+#include <eoHowMany.h>
+#include <math.h>
+//-----------------------------------------------------------------------------
+
+/** eoDetSelect selects many individuals determinisctically
+*/
+template<class EOT>
+class eoDetSelect : public eoSelect<EOT>
+{
+ public:
+     /// init
+     eoDetSelect(double _rate = 1.0, bool _interpret_as_rate = true)
+         : howMany(_rate, _interpret_as_rate)  {}
+
+     /**
+     @param _source the source population
+     @param _dest  the resulting population (size of this population is 
+         given by the HowMany data
+         It empties the destination and adds the selection into it)
+     */
+  virtual void operator()(const eoPop<EOT>& _source, eoPop<EOT>& _dest)
+  {
+    unsigned int pSize = _source.size();
+    size_t target = howMany(pSize);
+
+    _dest.resize(target);
+
+    unsigned remain = target % pSize;
+    unsigned entireCopy = target / pSize;
+    eoPop<EOT>::iterator it = _dest.begin();
+    
+    if (target >= pSize)
+      {
+	for (unsigned i=0; i<entireCopy; i++)
+	  {
+	cout << "On copie tout le monde\n";
+	    copy(_source.begin(), _source.end(), it);
+	    it += pSize;
+	  }
+      }
+    // the last ones
+    if (remain) 
+      {
+	cout << "On copie les " << remain << " derniers\n";
+	copy(_source.begin(), _source.begin()+remain, it);
+      }
+  }
+  
+private :
+  eoHowMany howMany;
+};
+
+#endif