.. _program_listing_file_dynamics_parameter_dynamics.h:

Program Listing for File parameter_dynamics.h
=============================================

|exhale_lsh| :ref:`Return to documentation for file <file_dynamics_parameter_dynamics.h>` (``dynamics/parameter_dynamics.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   
   
   #pragma once
   
   #include "lupnt/dynamics/dynamics.h"
   #include "lupnt/states/params.h"
   
   namespace lupnt {
   
     class ParameterDynamics : public Dynamics {
     public:
       ParameterDynamics() = default;
       ParameterDynamics(Config& config) : Dynamics(config) {}
   
       State Propagate(const State& x0, Real t0, Real tf, const State* u = nullptr) override {
         (void)t0;
         (void)tf;
         (void)u;
         return x0;  // Parameters are constant
       }
   
       State Propagate(const State& x0, Real t0, Real tf, const State* u, MatXd* stm) override {
         (void)t0;
         (void)tf;
         (void)u;
         if (stm != nullptr) {
           *stm = MatXd::Identity(x0.size(), x0.size());
         }
         return x0;  // Parameters are constant
       }
   
       StateType GetStateType() const override { return "Params"; }
     };
   
   }  // namespace lupnt