compute_cost      110 modules/ml/src/lr.cpp     double compute_cost(const Mat& _data, const Mat& _labels, const Mat& _init_theta);
compute_cost      387 modules/ml/src/lr.cpp         ccost = compute_cost(_data, _labels, theta_p);
compute_cost      473 modules/ml/src/lr.cpp         ccost = compute_cost(data_d, labels_l, theta_p);