+ /*! \brief Compute entries from `this->_ispaths`.
+ *
+ * The problem with in-slot paths is that car can't leave the parking
+ * slot with full rate to the right (for right sided parking slot.)
+ *
+ * The idea is to move the first cars of in-slot paths (the one that is
+ * computed as entry to the parking slot) with the full rate to the left
+ * until they can leave the parking slot with full rate to the right.
+ *
+ * The computed cars are stored in `this->_entries`.
+ */
+ void compute_entries();
+