more fixing sparsity

src/optimization/CasADiIterCallback.h

@@ -16,6 +16,51 @@ class CasADiIterCallback : public Callback {
   // Number of inputs and outputs
   casadi_int get_n_in() override { return 6;}
   casadi_int get_n_out() override { return 1;}
+  Sparsity get_sparsity_in(casadi_int i) {
+    return Nlpsol::get_sparsity_out(i);
+  }
+
+//       /// Decision variables at the optimal solution (nx x 1)
+//   NLPSOL_X,
+//   /// Cost function value at the optimal solution (1 x 1)
+//   NLPSOL_F,
+// //   /// Constraints function at the optimal solution (ng x 1)
+// //   NLPSOL_G,
+// //   /// Lagrange multipliers for bounds on X at the solution (nx x 1)
+// //   NLPSOL_LAM_X,
+// //   /// Lagrange multipliers for bounds on G at the solution (ng x 1)
+// //   NLPSOL_LAM_G,
+// //   /// Lagrange multipliers for bounds on P at the solution (np x 1)
+// //   NLPSOL_LAM_P,
+// //   NLPSOL_NUM_OUT
+// // };
+
+//     function v = get_sparsity_in(self, i)
+
+//       n = casadi.nlpsol_out(i);
+
+//       if n=='f'
+
+//         v =  casadi.Sparsity.scalar();
+
+//       elseif strcmp(n,'x') || strcmp(n,'lam_x')
+
+//         v = casadi.Sparsity.dense(self.nx);
+
+//       elseif strcmp(n,'g') || strcmp(n,'lam_g')
+
+//         v = casadi.Sparsity.dense(self.ng);
+
+//       elseif strcmp(n,'lam_p')
+
+//         v = casadi.Sparsity.dense(self.np);
+
+//       else
+
+//         v = casadi.Sparsity(0,0);
+
+//       end
+  }
 
   // Initialize the object
   void init() override {