paradiseo/trunk/paradiseo-peo/test/t-peoPSOParaIsland.cpp

/*
* <t-peoPSOParaIsland.cpp>
* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
* (C) OPAC Team, LIFL, 2002-2007
*
* Clive Canape
*
* This software is governed by the CeCILL license under French law and
* abiding by the rules of distribution of free software.  You can  use,
* modify and/ or redistribute the software under the terms of the CeCILL
* license as circulated by CEA, CNRS and INRIA at the following URL
* "http://www.cecill.info".
*
* As a counterpart to the access to the source code and  rights to copy,
* modify and redistribute granted by the license, users are provided only
* with a limited warranty  and the software's author,  the holder of the
* economic rights,  and the successive licensors  have only  limited liability.
*
* In this respect, the user's attention is drawn to the risks associated
* with loading,  using,  modifying and/or developing or reproducing the
* software by the user in light of its specific status of free software,
* that may mean  that it is complicated to manipulate,  and  that  also
* therefore means  that it is reserved for developers  and  experienced
* professionals having in-depth computer knowledge. Users are therefore
* encouraged to load and test the software's suitability as regards their
* requirements in conditions enabling the security of their systems and/or
* data to be ensured and,  more generally, to use and operate it in the
* same conditions as regards security.
* The fact that you are presently reading this means that you have had
* knowledge of the CeCILL license and that you accept its terms.
*
* ParadisEO WebSite : http://paradiseo.gforge.inria.fr
* Contact: paradiseo-help@lists.gforge.inria.fr
*          clive.canape@inria.fr
*/
//-----------------------------------------------------------------------------
// t-peoPSOParaIsland.cpp
//-----------------------------------------------------------------------------

#include <peo>

typedef eoRealParticle < double >Indi;


//Evaluation function
double f (const Indi & _indi)
{

  const double PI = 4.0 * atan(1.0);
  double sum=0.;
  for (unsigned i = 0; i < _indi.size()-1; i++)
    sum+=pow((_indi[i]-1),2)*(1+pow(sin(3*PI*_indi[i+1]),2));
  sum+=pow(sin(3*PI*_indi[0]),2);
  sum+=(_indi[_indi.size()-1]-1)*(1+pow(sin(2*PI*_indi[_indi.size()-1]),2));
  return (-sum);

}

template < class POT > class eoPrint : public eoContinue <POT>
  {
  public :

    bool operator () (const eoPop <POT> & __pop)
    {
      double result[__pop.size()];
      for (unsigned i=0;i<__pop.size();i++)
        result[i]=__pop[i].best();
      std::sort(result,result+__pop.size());
      std::cout << "\n"<<result[__pop.size()-1];
      return true ;
    }
  } ;


int main (int __argc, char *__argv[])
{

//Initialization
  peo :: init( __argc, __argv );
//Parameters

  const unsigned int  MIG_FREQ = 1;
  const unsigned int VEC_SIZE = 4;
  const unsigned int POP_SIZE = 10;
  const unsigned int NEIGHBORHOOD_SIZE= 5;
  const unsigned int MAX_GEN = 100;
  const double INIT_POSITION_MIN = -50.0;
  const double INIT_POSITION_MAX = 50.0;
  const double INIT_VELOCITY_MIN = -1;
  const double INIT_VELOCITY_MAX = 1;
  const double C1 = 0.5;
  const double C2 = 2;
  rng.reseed (44);
  if (getNodeRank()==1)
    std::cout<<"\n\nWith two islands\n\n";
  peoEvalFuncPSO<Indi, double, const Indi& > plainEval(f);
  eoUniformGenerator < double >uGen (INIT_POSITION_MIN, INIT_POSITION_MAX);
  eoInitFixedLength < Indi > random (VEC_SIZE, uGen);
  eoUniformGenerator < double >sGen (INIT_VELOCITY_MIN, INIT_VELOCITY_MAX);
  eoVelocityInitFixedLength < Indi > veloRandom (VEC_SIZE, sGen);
  eoFirstIsBestInit < Indi > localInit;
  eoRealVectorBounds bndsFlight(VEC_SIZE,INIT_POSITION_MIN,INIT_POSITION_MAX);
  eoStandardFlight < Indi > flight(bndsFlight);
  eoEvalFuncCounter < Indi > evalSeq (plainEval);
  peoParaPopEval< Indi > eval(plainEval);
  eoPop < Indi > pop;
  pop.append (POP_SIZE, random);
  apply(evalSeq, pop);
  apply < Indi > (veloRandom, pop);
  apply < Indi > (localInit, pop);
  eoLinearTopology<Indi> topology(NEIGHBORHOOD_SIZE);
  topology.setup(pop);
  eoRealVectorBounds bnds(VEC_SIZE,INIT_VELOCITY_MIN,INIT_VELOCITY_MAX);
  eoStandardVelocity < Indi > velocity (topology,C1,C2,bnds);
  eoGenContinue < Indi > genContPara (MAX_GEN);
  eoPrint <Indi>  print;
  eoCombinedContinue <Indi> continuator(genContPara);
  continuator.add(print);
  eoCheckPoint<Indi> checkpoint(continuator);
  RingTopology topologyMig;
  /*******************************************************************/
  eoPeriodicContinue< Indi > mig_cont( MIG_FREQ );
  peoPSOSelect<Indi> mig_selec(topology);
  eoSelectNumber< Indi > mig_select(mig_selec);
  peoPSOReplacement<Indi> mig_replace;
  /*****************************************************************/

  peoEvalFuncPSO<Indi, double, const Indi& > plainEval2(f);
  eoUniformGenerator < double >uGen2 (INIT_POSITION_MIN, INIT_POSITION_MAX);
  eoInitFixedLength < Indi > random2 (VEC_SIZE, uGen);
  eoUniformGenerator < double >sGen2 (INIT_VELOCITY_MIN, INIT_VELOCITY_MAX);
  eoVelocityInitFixedLength < Indi > veloRandom2 (VEC_SIZE, sGen2);
  eoFirstIsBestInit < Indi > localInit2;
  eoRealVectorBounds bndsFlight2(VEC_SIZE,INIT_POSITION_MIN,INIT_POSITION_MAX);
  eoStandardFlight < Indi > flight2(bndsFlight2);
  eoEvalFuncCounter < Indi > evalSeq2 (plainEval2);
  peoParaPopEval< Indi > eval2(plainEval2);
  eoPop < Indi > pop2;
  pop2.append (POP_SIZE, random2);
  apply(evalSeq2, pop2);
  apply < Indi > (veloRandom2, pop2);
  apply < Indi > (localInit2, pop2);
  eoLinearTopology<Indi> topology2(NEIGHBORHOOD_SIZE);
  topology2.setup(pop2);
  eoRealVectorBounds bnds2(VEC_SIZE,INIT_VELOCITY_MIN,INIT_VELOCITY_MAX);
  eoStandardVelocity < Indi > velocity2 (topology2,C1,C2,bnds2);
  eoGenContinue < Indi > genContPara2 (MAX_GEN);
  eoCheckPoint<Indi> checkpoint2(genContPara2);
  /*******************************************************************/
  eoPeriodicContinue< Indi > mig_cont2( MIG_FREQ );
  peoPSOSelect<Indi> mig_selec2(topology2);
  eoSelectNumber< Indi > mig_select2(mig_selec2);
  peoPSOReplacement<Indi> mig_replace2;

  peoAsyncIslandMig< Indi > mig( mig_cont, mig_select, mig_replace, topologyMig, pop, pop2);
  checkpoint.add( mig );
  peoAsyncIslandMig< Indi > mig2( mig_cont2, mig_select2, mig_replace2, topologyMig, pop2, pop);
  checkpoint2.add( mig2 );

  peoPSO < Indi > psa(checkpoint, eval, velocity, flight);
  mig.setOwner( psa );
  psa(pop);
  peoPSO < Indi > psa2(checkpoint2, eval2, velocity2, flight2);
  mig2.setOwner( psa2 );
  psa2(pop2);

  peo :: run();
  peo :: finalize();
}