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00027 #ifndef _make_pop_h
00028 #define _make_pop_h
00029
00030 #include <ctime>
00031 #include <eoPop.h>
00032 #include <eoInit.h>
00033 #include <utils/eoRNG.h>
00034 #include <utils/eoParser.h>
00035 #include <utils/eoState.h>
00036
00037
00039
00048 template <class EOT>
00049 eoPop<EOT>& do_make_pop(eoParser & _parser, eoState& _state, eoInit<EOT> & _init)
00050 {
00051
00052 eoValueParam<uint32_t>& seedParam = _parser.createParam(uint32_t(0), "seed", "Random number seed", 'S');
00053 if (seedParam.value() == 0)
00054 seedParam.value() = time(0);
00055 eoValueParam<unsigned>& popSize = _parser.createParam(unsigned(20), "popSize", "Population Size", 'P', "Evolution Engine");
00056
00057
00058
00059 eoPop<EOT>& pop = _state.takeOwnership(eoPop<EOT>());
00060
00061 eoValueParam<std::string>& loadNameParam = _parser.createParam(std::string(""), "Load","A save file to restart from",'L', "Persistence" );
00062 eoValueParam<bool> & recomputeFitnessParam = _parser.createParam(false, "recomputeFitness", "Recompute the fitness after re-loading the pop.?", 'r', "Persistence" );
00063
00064 if (loadNameParam.value() != "")
00065 {
00066
00067 eoState inState;
00068
00069
00070
00071 inState.registerObject(pop);
00072 inState.registerObject(rng);
00073 inState.load(loadNameParam.value());
00074
00075
00076 if (recomputeFitnessParam.value())
00077 {
00078 for (unsigned i=0; i<pop.size(); i++)
00079 pop[i].invalidate();
00080 }
00081 if (pop.size() < popSize.value())
00082 std::cerr << "WARNING, only " << pop.size() << " individuals read in file " << loadNameParam.value() << "\nThe remaining " << popSize.value() - pop.size() << " will be randomly drawn" << std::endl;
00083 if (pop.size() > popSize.value())
00084 {
00085 std::cerr << "WARNING, Load file contained too many individuals. Only the best will be retained" << std::endl;
00086 pop.resize(popSize.value());
00087 }
00088 }
00089 else
00090 {
00091 rng.reseed(seedParam.value());
00092 }
00093
00094 if (pop.size() < popSize.value())
00095 {
00096
00097 pop.append(popSize.value(), _init);
00098 }
00099
00100
00101 _state.registerObject(_parser);
00102 _state.registerObject(pop);
00103 _state.registerObject(rng);
00104
00105 return pop;
00106 }
00107
00108 #endif