protected virtual void observer(ComplexStateType x, double t)
 {
     if (SwigDerivedClassHasMethod("observer", swigMethodTypes1))
     {
         CorePINVOKE.ComplexOde_observerSwigExplicitComplexOde(swigCPtr, ComplexStateType.getCPtr(x), t);
     }
     else
     {
         CorePINVOKE.ComplexOde_observer(swigCPtr, ComplexStateType.getCPtr(x), t);
     }
     if (CorePINVOKE.SWIGPendingException.Pending)
     {
         throw CorePINVOKE.SWIGPendingException.Retrieve();
     }
 }