#pragma once class help { public: inline void fun(const std::vector& y, const std::vector& theta_dbl_, double t, std::vector& ydot) const; inline void jacobianTheta(const std::vector& y, const std::vector& theta_dbl_, double t, std::vector& Jtheta) const; inline void jacobianY(const std::vector& y, const std::vector& theta_dbl_, double t, std::vector& Jy) const; };