return this->_front_track;
}
+double
+CarSize::edist_to_rr() const
+{
+ return sqrt(pow(this->w() / 2.0, 2) + pow(this->len() - this->df(), 2));
+}
+
+double
+CarSize::edist_to_lf() const
+{
+ return sqrt(pow(this->w() / 2.0, 2) + pow(this->df(), 2));
+}
+
double
CarSize::mtr() const
{