robot-handler.hpp : fix return type of getReferenceStte()

Author: ManifoldFR

bindings/expose-robot-handler.cpp

@@ -28,7 +28,7 @@ namespace simple_mpc
         .def("difference", &RobotModelHandler::difference)
         .def("shapeState", &RobotModelHandler::shapeState)
         .def("getBaseFrameId", &RobotModelHandler::getBaseFrameId)
-        .def("getReferenceState", &RobotModelHandler::getReferenceState, bp::return_internal_reference<>())
+        .def("getReferenceState", &RobotModelHandler::getReferenceState)
         .def("getFootNb", &RobotModelHandler::getFootNb)
         .def("getFeetIds", &RobotModelHandler::getFeetIds, bp::return_internal_reference<>())
         .def("getFootName", &RobotModelHandler::getFootName, bp::return_internal_reference<>())

include/simple-mpc/robot-handler.hpp

@@ -124,7 +124,7 @@ namespace simple_mpc
     Eigen::VectorXd shapeState(const ConstVectorRef & q, const ConstVectorRef & v) const;
 
     // Const getters
-    const ConstVectorRef & getReferenceState() const
+    ConstVectorRef getReferenceState() const
     {
       return reference_state_;
     }