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eoBreeder almost finished

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gustavo 1999-02-12 17:43:28 +00:00
commit 9303c4b53d
7 changed files with 136 additions and 116 deletions
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73
eo/src/eoBreeder.h
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@ -22,59 +22,60 @@ template<class Chrom> class eoBreeder: public eoTransform<Chrom>
/// Default constructor.
eoBreeder(): uniform(0.0, 1.0) {}
/// Destructor.
~eoBreeder()
{
for (Operators::iterator op = operators.begin();
op != operators.end();
op++)
delete op->second;
}
/**
* Adds a genetic operator.
* @param operator The operator.
* @param rate Rate to apply the operator.
*/
void add(eoOp<Chrom>* operator, float rate = 1.0)
void add(eoOp<Chrom>& op, float rate = 1.0)
{
operators.push_back(pair<float, eoOp<Chrom> * >(operator, rate));
operators.push_back(pair<float, eoOp<Chrom>*>(rate, &op));
}
/**
* Transforms a population.
* @param pop The population to be transformed.
*/
void operator()(eoPop<Chrom>& pop) const
void operator()(eoPop<Chrom>& pop)
{
for (Operators::const_iterator op = operators.begin();
op != operators.end();
op++)
if (op->first < uniform())
switch (op->second->readArity())
{
case unary:
{
eoMonOp<Chrom>& monop =
dinamic_cast<eoMonOp<Chrom> >(*(op->second));
for_each(pop.begin(), pop.end(), monop);
break;
}
case binary:
{
eoBinOp<Chrom>& binop =
dinamic_cast<eoBinOp<Chrom> >(*(op->second));
for (unsigned i = 1; i < pop.size(); i += 2)
binop(pop[i - 1], pop[i]);
break;
}
default:
{
cerr << "eoBreeder:operator() Not implemented yet!" << endl;
exit(EXIT_FAILURE);
break;
}
switch (op->second->readArity())
{
case unary:
{
eoMonOp<Chrom>& monop = (eoMonOp<Chrom>&)*(op->second);
for (unsigned i = 0; i < pop.size(); i++)
if (uniform() < op->first)
monop(pop[i]);
break;
}
case binary:
{
vector<unsigned> pos(pop.size(), 1);
pos[0] = 0;
partial_sum(pos.begin(), pos.end(), pos.begin());
random_shuffle(pos.begin(), pos.end());
cout << "pos = ";
copy(pos.begin(), pos.end(),
ostream_iterator<unsigned>(cout, " "));
cout << endl;
eoBinOp<Chrom>& binop = (eoBinOp<Chrom>&)*(op->second);
for (unsigned i = 1; i < pop.size(); i += 2)
if (uniform() < op->first)
binop(pop[pos[i - 1]], pop[pos[i]]);
break;
}
default:
{
cerr << "eoBreeder:operator() Not implemented yet!" << endl;
exit(EXIT_FAILURE);
break;
}
}
}
/// The class name.