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Added the shuffle(vector<const EOT*>) method

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evomarc 2001-02-07 05:11:37 +00:00
commit b89d06386d
1 changed files with 14 additions and 3 deletions
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17
eo/src/eoPop.h
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@ -133,6 +133,16 @@ class eoPop: public vector<EOT>, public eoObject, public eoPersistent
std::sort(begin(), end(), greater<EOT>());
}
// creates a vector<EOT*> pointing to the individuals in descending order
void sort(vector<const EOT*>& result) const
{
result.resize(size());
std::transform(begin(), end(), result.begin(), Ref());
std::sort(result.begin(), result.end(), Cmp());
}
/**
shuffle the population. Use this member to put the population
in random order
@ -143,14 +153,15 @@ class eoPop: public vector<EOT>, public eoObject, public eoPersistent
std::random_shuffle(begin(), end(), gen);
}
// creates a vector<EOT*> pointing to the individuals in descending order
void sort(vector<const EOT*>& result) const
// creates a vector<EOT*> pointing to the individuals in random order
void shuffle(vector<const EOT*>& result) const
{
result.resize(size());
std::transform(begin(), end(), result.begin(), Ref());
std::sort(result.begin(), result.end(), Cmp());
UF_random_generator<unsigned int> gen;
std::random_shuffle(result.begin(), result.end(), gen);
}
// returns an iterator to the best individual DOES NOT MOVE ANYBODY