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eo/src/ga/eoBin.h

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+/*
+   eoBin.h
+   (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 eoBin_h
+#define eoBin_h
+
+//-----------------------------------------------------------------------------
+
+#include <iostream>    // ostream, istream
+#include <functional>  // bind2nd
+#include <string>      // string
+#include <eoVector.h>  // EO
+
+/** eoBin: implementation of binary chromosome.                               
+ * based on STL's bit_vector (vector<bool>).                                 
+*/
+template <class F> class eoBin: public eoVector<bool, F>
+{
+ public:
+
+  /**
+   * (Default) Constructor.
+   * @param size Size of the binary string.
+   */
+  eoBin(unsigned size = 0, bool value = false): 
+    eoVector<bool,F>(size, value) {}
+  
+  /**
+   * Constructor.
+   * @param size Size of the binary string.
+   */
+  eoBin(unsigned size, const eoRnd<bool>& rnd): eoVector<bool,F>(size) 
+    {
+      generate(begin(), end(), rnd);
+    }
+  
+  /** Constructor from istream.
+      @param is The istream to read from.*/
+  eoBin(istream& _is):eoVector<bool,F>(_is){};
+  
+  /// My class name.
+  string className() const 
+    { 
+      return "eoBin"; 
+    }
+  
+  /**
+   * To print me on a stream.
+   * @param os The ostream.
+   */
+  void printOn(ostream& os) const
+    {
+      copy(begin(), end(), ostream_iterator<bool>(os));
+    }
+  
+  /**
+   * To read me from a stream.
+   * @param is The istream.
+   */
+  void readFrom(istream& is)
+    {
+      string bits;
+      is >> bits;
+      if (is)
+	{
+	  resize(bits.size());
+	  transform(bits.begin(), bits.end(), begin(), 
+		    bind2nd(equal_to<char>(), '1'));
+	}
+    }
+};
+
+//-----------------------------------------------------------------------------
+
+#endif eoBin_h