paradiseo/trunk/paradiseo-mo/tutorial/oneMax/application/testWithMove.cpp

//-----------------------------------------------------------------------------
/** testSimpleHC.cpp
 *
 * SV - 12/01/10
 *
 */
//-----------------------------------------------------------------------------

// standard includes
#define HAVE_SSTREAM

#include <stdexcept>  // runtime_error 
#include <iostream>   // cout
#include <sstream>  // ostrstream, istrstream
#include <fstream>
#include <string.h>

// the general include for eo
#include <eo>
#include "ga.h"

using namespace std;

//-----------------------------------------------------------------------------
// fitness function
#include <funcOneMax.h>

//#include <eoInt.h>
//#include <moEmptyNeighbor.h>

#include <continuator/moTrueContinuator.h>

// local search algorithm
#include <algo/moLocalSearch.h>

// the simple HC explorer
#include <explorer/moSimpleHCexplorer.h>

// explore the neighborhood of a bit string in order
#include <neighborhood/moMoveNeighborhood.h>

//#include <moFullEvalBitNeighbor.h>

#include <neighborhood/moMoveNeighbor.h>

#include <bitMove.h>
#include <bitMove_init.h>
#include <bitMoveIncrEval.h>
#include <bitMove_next.h>

// REPRESENTATION
//-----------------------------------------------------------------------------
// define your individuals
typedef eoBit<unsigned> Indi;
//typedef OneMaxBitNeighbor<unsigned> Neighbor ; // incremental evaluation
typedef moMoveNeighbor<BitMove<Indi>, unsigned> Neighbor ; // full evaluation
typedef moMoveNeighborhood<BitMove<Indi>, unsigned> Neighborhood ;

// GENERAL
//-----------------------------------------------------------------------------

void main_function(int argc, char **argv)
{
    /* =========================================================
     *
     * Parameters
     *
     * ========================================================= */

    // First define a parser from the command-line arguments
    eoParser parser(argc, argv);

    // For each parameter, define Parameter, read it through the parser,
    // and assign the value to the variable

    eoValueParam<uint32_t> seedParam(time(0), "seed", "Random number seed", 'S');
    parser.processParam( seedParam );
    unsigned seed = seedParam.value();

    // description of genotype
    eoValueParam<unsigned int> vecSizeParam(8, "vecSize", "Genotype size", 'V');
    parser.processParam( vecSizeParam, "Representation" );
    unsigned vecSize = vecSizeParam.value();

    string fileOut("out.dat");
    eoValueParam<string> fileStatParam(fileOut.c_str(), "out", "A file to export results", 'o');
    parser.processParam( fileStatParam, "Persistence" );
    fileOut = fileStatParam.value();

    // the name of the "status" file where all actual parameter values will be saved
    string str_status = parser.ProgramName() + ".status"; // default value
    eoValueParam<string> statusParam(str_status.c_str(), "status", "Status file");
    parser.processParam( statusParam, "Persistence" );

    // do the following AFTER ALL PARAMETERS HAVE BEEN PROCESSED
    // i.e. in case you need parameters somewhere else, postpone these
    if (parser.userNeedsHelp())
    {
        parser.printHelp(cout);
        exit(1);
    }
    if (statusParam.value() != "")
    {
        ofstream os(statusParam.value().c_str());
        os << parser;		// and you can use that file as parameter file
    }


    /* =========================================================
     *
     * Random seed
     *
     * ========================================================= */

    //reproducible random seed: if you don't change SEED above,
    // you'll aways get the same result, NOT a random run
    rng.reseed(seed);


    /* =========================================================
     *
     * Eval fitness function
     *
     * ========================================================= */

    FuncOneMax<Indi> eval(vecSize);

    OneMaxIncrEval<Indi> incrEval;
    Neighbor::setIncrEval(incrEval);

    /* =========================================================
     *
     * Initilisation of the solution
     *
     * ========================================================= */

    // a Indi random initializer
    eoUniformGenerator<bool> uGen;
    eoInitFixedLength<Indi> random(vecSize, uGen);

    /* =========================================================
     *
     * evaluation of a neighbor solution
     *
     * ========================================================= */

    // no need if incremental evaluation with OneMaxBitNeighbor
    //  Neighbor::setFullEvalFunc(eval);

    /* =========================================================
     *
     * the neighborhood of a solution
     *
     * ========================================================= */
    BitMove_init<Indi> init;
    BitMove_next<Indi> next;


    Neighborhood neighborhood(init, next);

    /* =========================================================
     *
     * a neighborhood explorator solution
     *
     * ========================================================= */

    moSimpleHCexplorer<Neighborhood> explorer(neighborhood);

    /* =========================================================
     *
     * the local search algorithm
     *
     * ========================================================= */

    moTrueContinuator<Neighborhood> continuator;

    moLocalSearch< moSimpleHCexplorer<Neighborhood> > localSearch(explorer, continuator);

    /* =========================================================
     *
     * execute the local search from random sollution
     *
     * ========================================================= */

    Indi solution;

    random(solution);

    eval(solution);

    std::cout << "initial: " << solution << std::endl ;

    localSearch(solution);

    std::cout << "final:   " << solution << std::endl ;

}

// A main that catches the exceptions

int main(int argc, char **argv)
{

    try
    {
        main_function(argc, argv);
    }
    catch (exception& e)
    {
        cout << "Exception: " << e.what() << '\n';
    }

    return 1;
}