RK4 class
          #include <iDynTree/Integrators/RK4.h>
        
        
        Base classes
- class FixedStepIntegrator
 
Constructors, destructors, conversion operators
- RK4()
 - 
              RK4(const std::shared_ptr<iDynTree::
optimalcontrol:: DynamicalSystem> dynamicalSystem)  - ~RK4() virtual
 
Private functions
- auto oneStepIntegration(double t0, double dT, const VectorDynSize& x0, VectorDynSize& x) -> bool override
 - auto allocateBuffers() -> bool override