[bindings] Exposed gaps in DDP solver

bindings/python/crocoddyl/core/solver-base.hpp

@@ -21,14 +21,14 @@ namespace bp = boost::python;
 
 class SolverAbstract_wrap : public SolverAbstract, public bp::wrapper<SolverAbstract> {
  public:
-  using SolverAbstract::is_feasible_;
   using SolverAbstract::cost_;
+  using SolverAbstract::is_feasible_;
   using SolverAbstract::iter_;
   using SolverAbstract::problem_;
+  using SolverAbstract::steplength_;
   using SolverAbstract::th_acceptstep_;
   using SolverAbstract::th_stop_;
   using SolverAbstract::ureg_;
-  using SolverAbstract::steplength_;
   using SolverAbstract::us_;
   using SolverAbstract::xreg_;
   using SolverAbstract::xs_;

bindings/python/crocoddyl/core/solvers/ddp.hpp

@@ -96,7 +96,9 @@ void exposeSolverDDP() {
       .add_property("Qx", make_function(&SolverDDP::get_Qx, bp::return_value_policy<bp::copy_const_reference>()), "Qx")
       .add_property("Qu", make_function(&SolverDDP::get_Qu, bp::return_value_policy<bp::copy_const_reference>()), "Qu")
       .add_property("K", make_function(&SolverDDP::get_K, bp::return_value_policy<bp::copy_const_reference>()), "K")
-      .add_property("k", make_function(&SolverDDP::get_k, bp::return_value_policy<bp::copy_const_reference>()), "k");
+      .add_property("k", make_function(&SolverDDP::get_k, bp::return_value_policy<bp::copy_const_reference>()), "k")
+      .add_property("gaps", make_function(&SolverDDP::get_gaps, bp::return_value_policy<bp::copy_const_reference>()),
+                    "gaps");
 }
 
 }  // namespace python