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double GeneticAlgorithm::findFitness (int i) const{	cout << "in FIND FITNESS (" << i << ") " << gt.size() << ":";		GeneTree* tmpgt = gt[i];	cout << "&1&" << endl;	vector<GeneNode*>& gtref= gt[i]->getVector(); // CALLS MAKEEMPTY RANDOMLY HERE	cout << "&1.5&" << endl;	GeneNode* tmpgn = gtref[0];	cerr << "&2& " << tmpgn->data.first << ":" << tmpgn->data.second << ":::" << tmpgn <<  endl;	tmpgn->print(); // STUFFS UP HERE	cout << ":" << endl;		// these would be randomised and run a few time to get an average fitness function	double h = 25.0, d = 50.0;	map<char, int> m;	m['h'] = 30;	m['d'] = 40;		cout << "evaluating theta and velocity" << endl;	// TODO use trees to evaluate this :)	cout << 'a' << endl;	GeneNode const* gn = gt[i]->getVector()[0];	cout << 'b' << endl;	double theta = evaluateTree(gn, m);	double v     = evaluateTree(gt[i]->getVector()[1], m);		double y = 9.8*d*d/(2*v*sin(theta)) + cos(theta)*d;		double abs = y-h;	if (y - h < 0) abs*=-1;		cout << "end FIND FITNESS ";	gt[i]->print();	cout << endl;		return abs;}