paradiseo/deprecated/eo/tutorial/Templates/moreOffspringGenOp.tmpl

77 lines
2.1 KiB
C++

/** -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
The above line is usefulin Emacs-like editors
*/
/*
Template for general operators
===============================
i.e. that takes any number of parents and generates any number of offspring
Here, a GenOp that creates more (or same number of) offspring
than there are parents
*/
#ifndef eoMoreOffspringGenOp_H
#define eoMoreOffspringGenOp_H
#include <eoGenOp.h>
/**
* Always write a comment in this format before class definition
* if you want the class to be documented by Doxygen
*
* ATTENTION, class EOT *must* derive from EO, as method invalidate()
* must be called if the genotypes of the indis is modified
*/
template<class EOT>
class eoMoreOffspringGenOp: public eoGenOp<EOT>
{
public:
/**
* (Default) Constructor.
*/
eoMoreOffspringGenOp(paramType _anyParameter) :
anyParameter(_anyParameter) {}
/// The class name. Used to display statistics
string className() const { return "eoMoreOffspringGenOp"; }
/// The TOTAL number of offspring (including modified parents)
unsigned max_production(void) { return NbOffspring; }
/**
* eoMoreOffspringGenOp operator - eventually modifies the parents
* BUT does generate more offspring
*
* @param _pop a POPULATOR (not a simple population)
*/
void apply(eoPopulator<EOT>& _plop)
{
EOT& parent1 = *_plop; // select the first parent
++_plop; // advance once for each selected parents
...
EOT& parentN = *_plop; // select the last parent
// don't advance after the last one: _plop always
// points to the last that has already been treated
// apply operator to the parents (modifying them AND generating
// new individuals ofs1, ofs2, ..., ofsN
++_plop; // advance before each insertion
_plop.insert(ofs1);
...
++_plop; // advance before each insertion
_plop.insert(ofsN);
// oh right, and invalidate fitnesses of modified parents
parent1.invalidate();
...
parentN.invalidate();
}
private:
paramType anyParameter
};
#endif