Migration from SVN

eo/tutorial/Lesson5/OneMaxLibEA.cpp

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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 creating a new representation in EO
+================================================
+
+This is the template main file for compiling after creating a
+library.
+See make_OneMax.cpp file.
+*/
+
+// Miscilaneous include and declaration
+#include <iostream>
+using namespace std;
+
+// eo general include
+#include "eo"
+// the real bounds (not yet in general eo include)
+#include "utils/eoRealVectorBounds.h"
+
+// include here whatever specific files for your representation
+// Basically, this should include at least the following
+
+/** definition of representation:
+ * class eoOneMax MUST derive from EO<FitT> for some fitness
+ */
+#include "eoOneMax.h"
+
+/** definition of initilizqtion:
+ * class eoOneMaxInit MUST derive from eoInit<eoOneMax>
+ */
+#include "eoOneMaxInit.h"
+
+/** definition of evaluation:
+ * class eoOneMaxEvalFunc MUST derive from eoEvalFunc<eoOneMax>
+ * and should test for validity before doing any computation
+ * see tutorial/Templates/evalFunc.tmpl
+ */
+#include "eoOneMaxEvalFunc.h"
+
+// GENOTYPE   eoOneMax ***MUST*** be templatized over the fitness
+
+//
+// START fitness type: double or eoMaximizingFitness if you are maximizing
+//                     eoMinimizingFitness if you are minimizing
+typedef eoMinimizingFitness MyFitT ;	// type of fitness
+// END fitness type
+//
+
+// Then define your EO objects using that fitness type
+typedef eoOneMax<MyFitT> Indi;      // ***MUST*** derive from EO
+
+// create an initializer - done here and NOT in make_OneMax.cpp
+// because it is NOT representation independent
+#include "make_genotype_OneMax.h"
+eoInit<Indi> & make_genotype(eoParser& _parser, eoState&_state, Indi _eo)
+{
+  return do_make_genotype(_parser, _state, _eo);
+}
+
+// same thing for the variation operaotrs
+#include "make_op_OneMax.h"
+eoGenOp<Indi>&  make_op(eoParser& _parser, eoState& _state, eoInit<Indi>& _init)
+{
+  return do_make_op(_parser, _state, _init);
+}
+
+// The representation independent routines are simply declared here
+
+// how to initialize the population
+// it IS representation independent if an eoInit is given
+eoPop<Indi >&  make_pop(eoParser& _parser, eoState& _state, eoInit<Indi> & _init);
+
+// the stopping criterion
+eoContinue<Indi>& make_continue(eoParser& _parser, eoState& _state, eoEvalFuncCounter<Indi> & _eval);
+
+// outputs (stats, population dumps, ...)
+eoCheckPoint<Indi>& make_checkpoint(eoParser& _parser, eoState& _state, eoEvalFuncCounter<Indi>& _eval, eoContinue<Indi>& _continue);
+
+// evolution engine (selection and replacement)
+eoAlgo<Indi>&  make_algo_scalar(eoParser& _parser, eoState& _state, eoEvalFunc<Indi>& _eval, eoContinue<Indi>& _continue, eoGenOp<Indi>& _op);
+
+// simple call to the algo. stays there for consistency reasons
+// no template for that one
+void run_ea(eoAlgo<Indi>& _ga, eoPop<Indi>& _pop);
+
+// checks for help demand, and writes the status file
+// and make_help; in libutils - just a declaration, code in libeoutils.a
+void make_help(eoParser & _parser);
+
+// now use all of the above, + representation dependent things
+// from here on, no difference with eoOneMax.cpp
+int main(int argc, char* argv[])
+{
+
+  try
+  {
+  eoParser parser(argc, argv);  // for user-parameter reading
+
+  eoState state;    // keeps all things allocated
+
+    // The fitness
+    //////////////
+   eoOneMaxEvalFunc<Indi> plainEval/* (varType  _anyVariable) */;
+   // turn that object into an evaluation counter
+   eoEvalFuncCounter<Indi> eval(plainEval);
+
+  // the genotype - through a genotype initializer
+  eoInit<Indi>& init = make_genotype(parser, state, Indi());
+
+  // Build the variation operator (any seq/prop construct)
+  eoGenOp<Indi>& op = make_op(parser, state, init);
+
+
+  //// Now the representation-independent things
+  //
+  // YOU SHOULD NOT NEED TO MODIFY ANYTHING BEYOND THIS POINT
+  // unless you want to add specific statistics to the checkpoint
+  //////////////////////////////////////////////
+
+  // initialize the population
+  // yes, this is representation indepedent once you have an eoInit
+  eoPop<Indi>& pop   = make_pop(parser, state, init);
+
+  // stopping criteria
+  eoContinue<Indi> & term = make_continue(parser, state, eval);
+  // output
+  eoCheckPoint<Indi> & checkpoint = make_checkpoint(parser, state, eval, term);
+  // algorithm (need the operator!)
+  eoAlgo<Indi>& ga = make_algo_scalar(parser, state, eval, checkpoint, op);
+
+  ///// End of construction of the algorithm
+
+  /////////////////////////////////////////
+  // to be called AFTER all parameters have been read!!!
+  make_help(parser);
+
+  //// GO
+  ///////
+  // evaluate intial population AFTER help and status in case it takes time
+  apply<Indi>(eval, pop);
+  // if you want to print it out
+   cout << "Initial Population\n";
+   pop.sortedPrintOn(cout);
+   cout << endl;
+
+  run_ea(ga, pop); // run the ga
+
+  cout << "Final Population\n";
+  pop.sortedPrintOn(cout);
+  cout << endl;
+
+  }
+  catch(exception& e)
+  {
+    cout << e.what() << endl;
+  }
+  return 0;
+}