ScoredGeneration score_generation(const Generation &generation,
std::function<unsigned int(Code)> fitness_fct)
{
ScoredGeneration scored_generation;
for (int i = 0; i < generation.size(); i++)
{
auto fitness = fitness_fct(generation[i]);
scored_generation.push_back(std::make_pair(fitness, generation[i]));
}
return scored_generation;
}
int main(int argc, char *argv[]) {
Generation moms;
Generation dads;
Generation x;
Individual *mom;
Individual *dad;
Individual *child;
UniformRNG r(0.0,1.0);
int i;
init();
// Create 10 males and 10 females, and give them each 2 mutations.
// Then create a child and put it in generation x:
for (i=0; i<gsize; i++) {
dad = new Individual;
dad->set_sex(MALE);
dad->genes->add_mutations(2);
cout << dad->get_id() << ": " << *dad;
dads.insert(dad);
mom = new Individual;
mom->set_sex(FEMALE);
mom->genes->add_mutations(2);
moms.insert(mom);
cout << mom->get_id() << ": " << *mom;
child = new Individual;
child->set_sex((++r < 0.5) ? MALE : FEMALE);
child->genes->combine(dad->genes,mom->genes);
x.insert(child);
cout << child->get_id() << ": " << *child;
cout << endl;
}
// Test the remove function and error detection in the Generation class.
// Print the first three, remove the second, and print again:
cout << "First three individuals in x: \n ";
for (i=0; i<3; i++)
cout << x[i]->get_id() << " ";
cout << endl;
child = x.remove(1);
cout << "individual removed: " << child->get_id() << endl;
cout << "First three individuals remaining in x: \n ";
for (i=0; i<3; i++)
cout << x[i]->get_id() << " ";
cout << endl << endl;
// Same test, but now remove the first one (special case):
cout << "First three individuals in x: \n ";
for (i=0; i<3; i++)
cout << x[i]->get_id() << " ";
cout << endl;
child = x.remove(0);
cout << "individual removed: " << child->get_id() << endl;
cout << "First three individuals remaining in x: \n ";
for (i=0; i<3; i++)
cout << x[i]->get_id() << " ";
cout << endl << endl;
// There are now gsize-2 individuals in x. Whittle it down to 2:
for (i = 0; i < gsize-4; i++)
child = x.remove(0);
// Print the remaining two individuals:
cout << "last two individuals in x: " << x[0]->get_id() << " and " << x[1]->get_id() << endl;
// These should cause an error message:
child = x[2];
child = x.remove(2);
// Test removing the last item:
child = x.remove(1);
cout << child->get_id() << endl;
child = x.remove(0);
cout << child->get_id() << endl;
// Gen X should now be empty:
cout << "Gen X size = " << x.size() << endl;
}