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eoSGAVerbose class was added

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This commit is contained in:
Ronaldd Pinho 2019-06-29 00:03:45 -03:00
commit 821e79ac97
1 changed files with 70 additions and 1 deletions
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71
eo/src/eoSGA.h
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@ -36,6 +36,7 @@
#include <eoAlgo.h>
#include <apply.h>
/** The Simple Genetic Algorithm, following Holland and Goldberg
*
* Needs a selector (class eoSelectOne) a crossover (eoQuad, i.e. a
@ -105,7 +106,7 @@ public :
} while (cont(_pop));
}
private :
protected:
eoContinue<EOT>& cont;
/// eoInvalidateMonOp invalidates the embedded operator
@ -118,4 +119,72 @@ private :
eoEvalFunc<EOT>& eval;
};
template <class EOT>
class eoSGAVerbose : protected eoSGA<EOT>
{
public :
using eoSGA<EOT>::select;
using eoSGA<EOT>::cross;
using eoSGA<EOT>::crossoverRate;
using eoSGA<EOT>::mutate;
using eoSGA<EOT>::mutationRate;
using eoSGA<EOT>::eval;
using eoSGA<EOT>::cont;
// added this second ctor as I didn't like the ordering of the parameters
// in the one above. Any objection :-) MS
eoSGAVerbose(
eoSelectOne<EOT>& _select,
eoQuadOp<EOT>& _cross, float _crate,
eoMonOp<EOT>& _mutate, float _mrate,
eoEvalFunc<EOT>& _eval,
eoContinue<EOT>& _cont)
: eoSGA<EOT>(_select, _cross, _crate, _mutate, _mrate, _eval, _cont) {}
void operator()(eoPop<EOT>& _pop)
{
eoPop<EOT> offspring;
unsigned gen=0;
do
{
_pop.sort();
std::cout << "G" << ++gen << " --> ";
std::cout << _pop[0] << std::endl;
select(_pop, offspring);
unsigned i;
for (i=0; i<_pop.size()/2; i++)
{
if ( rng.flip(crossoverRate) )
{
// this crossover generates 2 offspring from two parents
if (cross(offspring[2*i], offspring[2*i+1]))
{
offspring[2*i].invalidate();
offspring[2*i+1].invalidate();
}
}
}
for (i=0; i < offspring.size(); i++)
{
if (rng.flip(mutationRate) )
{
if (mutate(offspring[i]))
offspring[i].invalidate();
}
}
_pop.swap(offspring);
apply<EOT>(eval, _pop);
} while (cont(_pop));
}
};
#endif