[wpimath] Add Exponential motion profile (#5720)

wpilibcExamples/src/main/cpp/examples/ElevatorExponentialSimulation/include/Robot.h

@@ -0,0 +1,27 @@
+// Copyright (c) FIRST and other WPILib contributors.
+// Open Source Software; you can modify and/or share it under the terms of
+// the WPILib BSD license file in the root directory of this project.
+
+#pragma once
+
+#include <frc/Joystick.h>
+#include <frc/TimedRobot.h>
+
+#include "subsystems/Elevator.h"
+
+/**
+ * This is a sample program to demonstrate the use of elevator simulation.
+ */
+class Robot : public frc::TimedRobot {
+ public:
+  void RobotInit() override {}
+  void RobotPeriodic() override;
+  void SimulationPeriodic() override;
+  void TeleopInit() override;
+  void TeleopPeriodic() override;
+  void DisabledInit() override;
+
+ private:
+  frc::Joystick m_joystick{Constants::kJoystickPort};
+  Elevator m_elevator;
+};