an example of how to make a new genotype within EO - see HTML doc

eo/tutorial/Lesson5/eoOneMaxEvalFunc.h

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+/** -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+ 
+The above line is usefulin Emacs-like editors
+ */
+ 
+/*
+Template for evaluator in EO, a functor that computes the fitness of an EO
+==========================================================================
+*/
+ 
+#ifndef _eoOneMaxEvalFunc_h
+#define _eoOneMaxEvalFunc_h
+
+// include whatever general include you need
+#include <stdexcept>
+#include <fstream>
+
+// include the base definition of eoEvalFunc
+#include "eoEvalFunc.h"
+
+/** 
+  Always write a comment in this format before class definition
+  if you want the class to be documented by Doxygen
+*/
+template <class EOT>
+class eoOneMaxEvalFunc : public eoEvalFunc<EOT>
+{
+public:
+	/// Ctor - no requirement
+// START eventually add or modify the anyVariable argument
+  eoOneMaxEvalFunc()
+  //  eoOneMaxEvalFunc( varType  _anyVariable) : anyVariable(_anyVariable) 
+// END eventually add or modify the anyVariable argument
+  {
+    // START Code of Ctor of an eoOneMaxEvalFunc object
+    // END   Code of Ctor of an eoOneMaxEvalFunc object
+  }
+
+  /** Actually compute the fitness
+   *
+   * @param EOT & _eo the EO object to evaluate
+   *                  it should stay templatized to be usable 
+   *                  with any fitness type
+   */
+  void operator()(EOT & _eo)
+  {
+    // test for invalid to avoid recomputing fitness of unmodified individuals
+    if (_eo.invalid())
+      {
+	double fit;		   // to hold fitness value
+    // START Code of computation of fitness of the eoOneMax object
+	const vector<bool> & b = _eo.B();
+	fit = 0;
+	for (unsigned i=0; i<b.size(); i++)
+	  fit += (b[i]?0:1);
+    // END   Code of computation of fitness of the eoOneMax object
+	_eo.fitness(fit);
+      }
+  }
+
+private:
+// START Private data of an eoOneMaxEvalFunc object
+  //  varType anyVariable;		   // for example ...
+// END   Private data of an eoOneMaxEvalFunc object
+};
+
+
+#endif