Lesson Wrapper

git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@832 331e1502-861f-0410-8da2-ba01fb791d7f

trunk/paradiseo-peo/tutorial/Wrapper/main2.cpp

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+#include <peo>
+#include <es.h>
+typedef eoReal<double> Indi;
+
+double f (const Indi & _indi)
+{
+  double sum;
+  sum=_indi[1]-pow(_indi[0],2);
+  sum=100*pow(sum,2);
+  sum+=pow((1-_indi[0]),2);
+  return (-sum);
+}
+
+int main( int __argc, char** __argv )
+{
+	peo :: init( __argc, __argv );
+
+// Parameters
+  const unsigned int VEC_SIZE = 2;  
+  const unsigned int POP_SIZE = 20; 
+  const unsigned int MAX_GEN = 300; 
+  const double INIT_POSITION_MIN = -2.0;  
+  const double INIT_POSITION_MAX = 2.0;   
+  const float CROSS_RATE = 0.8; 
+  const double EPSILON = 0.01; 
+  const float MUT_RATE = 0.5;  
+  rng.reseed (time(0));
+
+// Algorithm
+  eoGenContinue < Indi > genContPara (MAX_GEN);
+  eoCombinedContinue <Indi> continuatorPara (genContPara);
+  eoCheckPoint<Indi> checkpoint(continuatorPara);
+  
+  //eoEvalFuncPtr< Indi > mainEval( f );    
+  //eoEvalFuncCounter< Indi > eval(mainEval);
+  peoEvalFunc<Indi> mainEval( f );
+  peoParaPopEval <Indi> eval(mainEval);
+  
+  eoUniformGenerator < double >uGen (INIT_POSITION_MIN, INIT_POSITION_MAX);
+  eoInitFixedLength < Indi > random (VEC_SIZE, uGen);
+  eoRankingSelect<Indi> selectionStrategy;
+  eoSelectNumber<Indi> select(selectionStrategy,POP_SIZE);
+  eoSegmentCrossover<Indi> crossover;
+  eoUniformMutation<Indi>  mutation(EPSILON);  
+  
+  //eoSGATransform<Indi> transform(crossover,CROSS_RATE,mutation,MUT_RATE);
+  //peoSeqTransform<Indi> eaTransform(transform);
+  peoParaSGATransform<Indi> transform(crossover,CROSS_RATE,mutation,MUT_RATE);
+    
+  eoPlusReplacement<Indi> replace;
+  eoEasyEA< Indi > eaAlg( checkpoint, eval, select, transform, replace );  
+
+// Population*/
+  eoPop < Indi > pop;
+  pop.append (POP_SIZE, random);
+  peoParallelAlgorithmWrapper parallelEA( eaAlg, pop);
+  eval.setOwner(parallelEA);
+  transform.setOwner(parallelEA);
+  peo :: run();
+  peo :: finalize();
+
+
+  
+ if (getNodeRank()==1)
+    std::cout << "Final population :\n" << pop << std::endl;
+}