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changing genetic operators

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This commit is contained in:
gustavoromero 2000-11-24 12:33:44 +00:00
commit 6a7102f5b6
3 changed files with 58 additions and 53 deletions
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40
eo/src/eoProportional.h
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@ -35,7 +35,7 @@
//-----------------------------------------------------------------------------
/** eoProportional: select an individual proportional to her stored fitness
value
value
*/
//-----------------------------------------------------------------------------
@ -43,30 +43,28 @@ value
template <class EOT> class eoProportional: public eoSelectOne<EOT>
{
public:
/// Sanity check
eoProportional(void) : total(-1.0)
{
if (minimizing_fitness<EOT>())
{
throw logic_error("eoProportional: minimizing fitness");
}
}
/// Sanity check
eoProportional(const eoPop<EOT>& pop = eoPop<EOT>()):
total((pop.size() == 0) ? -1.0 : sum_fitness(pop))
{
if (minimizing_fitness<EOT>())
throw logic_error("eoProportional: minimizing fitness");
}
void setup(const eoPop<EOT>& _pop)
{
total = sum_fitness(_pop);
}
void setup(const eoPop<EOT>& _pop)
{
total = sum_fitness(_pop);
}
/** do the selection, call roulette_wheel.
*/
const EOT& operator()(const eoPop<EOT>& _pop)
{
return roulette_wheel(_pop, total) ;
}
/** do the selection, call roulette_wheel.
*/
const EOT& operator()(const eoPop<EOT>& _pop)
{
return roulette_wheel(_pop, total) ;
}
private :
typename EOT::Fitness total;
typename EOT::Fitness total;
};
#endif