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git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@232 331e1502-861f-0410-8da2-ba01fb791d7f
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liefooga 2007-04-13 15:05:07 +00:00
commit c8049ca6cd
51 changed files with 3899 additions and 3898 deletions
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111
branches/paradiseo-moeo-1.0/tutorials/lesson2/Sch1.cpp
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@ -21,14 +21,15 @@ using namespace std;
// the moeoObjectiveVectorTraits : minimizing 2 objectives
class Sch1ObjectiveVectorTraits : public moeoObjectiveVectorTraits
{
public:static bool minimizing (int i)
{
return true;
}
static unsigned nObjectives ()
{
return 2;
}
public:
static bool minimizing (int i)
{
return true;
}
static unsigned nObjectives ()
{
return 2;
}
};
@ -40,7 +41,7 @@ typedef moeoObjectiveVectorDouble < Sch1ObjectiveVectorTraits > Sch1ObjectiveVec
class Sch1 : public moeoRealVector < Sch1ObjectiveVector, double, double >
{
public:
Sch1() : moeoRealVector < Sch1ObjectiveVector, double, double > (1) {}
Sch1() : moeoRealVector < Sch1ObjectiveVector, double, double > (1) {}
};
@ -48,56 +49,56 @@ public:
class Sch1Eval : public moeoEvalFunc < Sch1 >
{
public:
void operator () (Sch1 & _sch1)
{
if (_sch1.invalidObjectiveVector())
{
Sch1ObjectiveVector objVec;
double x = _sch1[0];
objVec[0] = x * x;
objVec[1] = (x - 2.0) * (x - 2.0);
_sch1.objectiveVector(objVec);
}
}
void operator () (Sch1 & _sch1)
{
if (_sch1.invalidObjectiveVector())
{
Sch1ObjectiveVector objVec;
double x = _sch1[0];
objVec[0] = x * x;
objVec[1] = (x - 2.0) * (x - 2.0);
_sch1.objectiveVector(objVec);
}
}
};
// main
int main (int argc, char *argv[])
{
// parameters
unsigned POP_SIZE = 20;
unsigned MAX_GEN = 100;
double M_EPSILON = 0.01;
double P_CROSS = 0.25;
double P_MUT = 0.35;
// objective functions evaluation
Sch1Eval eval;
// crossover and mutation
eoQuadCloneOp < Sch1 > xover;
eoUniformMutation < Sch1 > mutation (M_EPSILON);
// generate initial population
eoRealVectorBounds bounds (1, 0.0, 2.0); // [0, 2]
eoRealInitBounded < Sch1 > init (bounds);
eoPop < Sch1 > pop (POP_SIZE, init);
// build NSGA-II
moeoNSGAII < Sch1 > nsgaII (MAX_GEN, eval, xover, P_CROSS, mutation, P_MUT);
// run the algo
nsgaII (pop);
// extract first front of the final population using an moeoArchive (this is the output of nsgaII)
moeoArchive < Sch1 > arch;
arch.update (pop);
// printing of the final archive
cout << "Final Archive" << endl;
arch.sortedPrintOn (cout);
cout << endl;
return EXIT_SUCCESS;
// parameters
unsigned POP_SIZE = 20;
unsigned MAX_GEN = 100;
double M_EPSILON = 0.01;
double P_CROSS = 0.25;
double P_MUT = 0.35;
// objective functions evaluation
Sch1Eval eval;
// crossover and mutation
eoQuadCloneOp < Sch1 > xover;
eoUniformMutation < Sch1 > mutation (M_EPSILON);
// generate initial population
eoRealVectorBounds bounds (1, 0.0, 2.0); // [0, 2]
eoRealInitBounded < Sch1 > init (bounds);
eoPop < Sch1 > pop (POP_SIZE, init);
// build NSGA-II
moeoNSGAII < Sch1 > nsgaII (MAX_GEN, eval, xover, P_CROSS, mutation, P_MUT);
// run the algo
nsgaII (pop);
// extract first front of the final population using an moeoArchive (this is the output of nsgaII)
moeoArchive < Sch1 > arch;
arch.update (pop);
// printing of the final archive
cout << "Final Archive" << endl;
arch.sortedPrintOn (cout);
cout << endl;
return EXIT_SUCCESS;
}