Return zero pose range when no entries

diff --git a/src/pslot.cc b/src/pslot.cc
index f3ea854d51033c4c0c1f06022231a272c47c5966..714d39dc57591a722225d2c2469127d08f09ac35 100644 (file)
--- a/src/pslot.cc
+++ b/src/pslot.cc
@@ -211,7 +211,9 @@ ParkingSlot::fe(BicycleCar c, unsigned int& max)
                        entries.push_back(r);
                }
        }
-       assert(entries.size() > 0);
+       if (entries.size() == 0) {
+               return PoseRange();
+       }
        auto& c1 = entries.front().front();
        auto& c2 = entries.back().front();
        double b = std::min(c1.h(), c2.h());