#include "fbcm.hh" float FBCM::estimate_distance(const Measurement &measurement) { double constant_term = make_constant_term(measurement) ; const float &average_ss = measurement.get_average_ss() ; const AccessPoint *ap = measurement.get_ap() ; return pow(10, (constant_term - average_ss) / (10 * friis_index(ap))) ; } inline float FBCM::friis_index(const AccessPoint *const ap) const { return ap->get_friis_index() ; }