git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1639 331e1502-861f-0410-8da2-ba01fb791d7f
214 lines
5.7 KiB
C++
214 lines
5.7 KiB
C++
//-----------------------------------------------------------------------------
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/** testSimpleHC.cpp
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*
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* SV - 12/01/10
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*
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*/
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//-----------------------------------------------------------------------------
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// standard includes
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#define HAVE_SSTREAM
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#include <stdexcept> // runtime_error
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#include <iostream> // cout
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#include <sstream> // ostrstream, istrstream
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#include <fstream>
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#include <string.h>
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// the general include for eo
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#include <eo>
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#include "ga.h"
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using namespace std;
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//-----------------------------------------------------------------------------
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// fitness function
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#include <funcOneMax.h>
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//#include <eoInt.h>
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//#include <moEmptyNeighbor.h>
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#include <continuator/moTrueContinuator.h>
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// local search algorithm
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#include <algo/moLocalSearch.h>
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// the simple HC explorer
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#include <explorer/moSimpleHCexplorer.h>
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// explore the neighborhood of a bit string in order
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#include <neighborhood/moMoveNeighborhood.h>
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//#include <moFullEvalBitNeighbor.h>
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#include <neighborhood/moMoveNeighbor.h>
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#include <bitMove.h>
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#include <bitMove_init.h>
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#include <bitMoveIncrEval.h>
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#include <bitMove_next.h>
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// REPRESENTATION
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//-----------------------------------------------------------------------------
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// define your individuals
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typedef eoBit<unsigned> Indi;
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//typedef OneMaxBitNeighbor<unsigned> Neighbor ; // incremental evaluation
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typedef moMoveNeighbor<BitMove<Indi>, unsigned> Neighbor ; // full evaluation
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typedef moMoveNeighborhood<BitMove<Indi>, unsigned> Neighborhood ;
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// GENERAL
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//-----------------------------------------------------------------------------
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void main_function(int argc, char **argv)
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{
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/* =========================================================
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*
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* Parameters
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*
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* ========================================================= */
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// First define a parser from the command-line arguments
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eoParser parser(argc, argv);
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// For each parameter, define Parameter, read it through the parser,
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// and assign the value to the variable
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eoValueParam<uint32_t> seedParam(time(0), "seed", "Random number seed", 'S');
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parser.processParam( seedParam );
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unsigned seed = seedParam.value();
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// description of genotype
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eoValueParam<unsigned int> vecSizeParam(8, "vecSize", "Genotype size", 'V');
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parser.processParam( vecSizeParam, "Representation" );
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unsigned vecSize = vecSizeParam.value();
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string fileOut("out.dat");
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eoValueParam<string> fileStatParam(fileOut.c_str(), "out", "A file to export results", 'o');
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parser.processParam( fileStatParam, "Persistence" );
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fileOut = fileStatParam.value();
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// the name of the "status" file where all actual parameter values will be saved
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string str_status = parser.ProgramName() + ".status"; // default value
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eoValueParam<string> statusParam(str_status.c_str(), "status", "Status file");
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parser.processParam( statusParam, "Persistence" );
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// do the following AFTER ALL PARAMETERS HAVE BEEN PROCESSED
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// i.e. in case you need parameters somewhere else, postpone these
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if (parser.userNeedsHelp())
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{
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parser.printHelp(cout);
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exit(1);
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}
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if (statusParam.value() != "")
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{
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ofstream os(statusParam.value().c_str());
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os << parser; // and you can use that file as parameter file
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}
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/* =========================================================
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*
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* Random seed
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*
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* ========================================================= */
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//reproducible random seed: if you don't change SEED above,
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// you'll aways get the same result, NOT a random run
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rng.reseed(seed);
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/* =========================================================
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*
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* Eval fitness function
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*
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* ========================================================= */
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FuncOneMax<Indi> eval(vecSize);
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OneMaxIncrEval<Indi> incrEval;
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Neighbor::setIncrEval(incrEval);
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/* =========================================================
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*
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* Initilisation of the solution
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*
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* ========================================================= */
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// a Indi random initializer
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eoUniformGenerator<bool> uGen;
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eoInitFixedLength<Indi> random(vecSize, uGen);
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/* =========================================================
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*
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* evaluation of a neighbor solution
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*
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* ========================================================= */
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// no need if incremental evaluation with OneMaxBitNeighbor
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// Neighbor::setFullEvalFunc(eval);
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/* =========================================================
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*
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* the neighborhood of a solution
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*
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* ========================================================= */
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BitMove_init<Indi> init;
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BitMove_next<Indi> next;
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Neighborhood neighborhood(init, next);
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/* =========================================================
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*
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* a neighborhood explorator solution
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*
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* ========================================================= */
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moSimpleHCexplorer<Neighborhood> explorer(neighborhood);
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/* =========================================================
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*
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* the local search algorithm
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*
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* ========================================================= */
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moTrueContinuator<Neighborhood> continuator;
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moLocalSearch< moSimpleHCexplorer<Neighborhood>, moTrueContinuator<Neighborhood> > localSearch(explorer, continuator);
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/* =========================================================
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*
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* execute the local search from random sollution
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*
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* ========================================================= */
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Indi solution;
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random(solution);
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eval(solution);
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std::cout << "initial: " << solution << std::endl ;
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localSearch(solution);
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std::cout << "final: " << solution << std::endl ;
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}
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// A main that catches the exceptions
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int main(int argc, char **argv)
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{
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try
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{
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main_function(argc, argv);
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}
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catch(exception& e)
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{
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cout << "Exception: " << e.what() << '\n';
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}
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return 1;
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}
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