crocoddyl  1.9.0
Contact RObot COntrol by Differential DYnamic programming Library (Crocoddyl)
multibody.hpp
1 // BSD 3-Clause License
3 //
4 // Copyright (C) 2019-2021, LAAS-CNRS, University of Edinburgh
5 // Copyright note valid unless otherwise stated in individual files.
6 // All rights reserved.
8 
9 #ifndef CROCODDYL_MULTIBODY_STATES_MULTIBODY_HPP_
10 #define CROCODDYL_MULTIBODY_STATES_MULTIBODY_HPP_
11 
12 #include <pinocchio/multibody/model.hpp>
13 
14 #include "crocoddyl/multibody/fwd.hpp"
15 #include "crocoddyl/core/state-base.hpp"
16 
17 namespace crocoddyl {
18 
30 template <typename _Scalar>
31 class StateMultibodyTpl : public StateAbstractTpl<_Scalar> {
32  public:
33  EIGEN_MAKE_ALIGNED_OPERATOR_NEW
34 
35  typedef _Scalar Scalar;
36  typedef MathBaseTpl<Scalar> MathBase;
37  typedef StateAbstractTpl<Scalar> Base;
38  typedef pinocchio::ModelTpl<Scalar> PinocchioModel;
39  typedef typename MathBase::VectorXs VectorXs;
40  typedef typename MathBase::MatrixXs MatrixXs;
41 
47  explicit StateMultibodyTpl(boost::shared_ptr<PinocchioModel> model);
49  virtual ~StateMultibodyTpl();
50 
56  virtual VectorXs zero() const;
57 
64  virtual VectorXs rand() const;
65 
66  virtual void diff(const Eigen::Ref<const VectorXs>& x0, const Eigen::Ref<const VectorXs>& x1,
67  Eigen::Ref<VectorXs> dxout) const;
68  virtual void integrate(const Eigen::Ref<const VectorXs>& x, const Eigen::Ref<const VectorXs>& dx,
69  Eigen::Ref<VectorXs> xout) const;
70  virtual void Jdiff(const Eigen::Ref<const VectorXs>&, const Eigen::Ref<const VectorXs>&, Eigen::Ref<MatrixXs> Jfirst,
71  Eigen::Ref<MatrixXs> Jsecond, const Jcomponent firstsecond = both) const;
72 
73  virtual void Jintegrate(const Eigen::Ref<const VectorXs>& x, const Eigen::Ref<const VectorXs>& dx,
74  Eigen::Ref<MatrixXs> Jfirst, Eigen::Ref<MatrixXs> Jsecond,
75  const Jcomponent firstsecond = both, const AssignmentOp = setto) const;
76  virtual void JintegrateTransport(const Eigen::Ref<const VectorXs>& x, const Eigen::Ref<const VectorXs>& dx,
77  Eigen::Ref<MatrixXs> Jin, const Jcomponent firstsecond) const;
78 
82  const boost::shared_ptr<PinocchioModel>& get_pinocchio() const;
83 
84  protected:
85  using Base::has_limits_;
86  using Base::lb_;
87  using Base::ndx_;
88  using Base::nq_;
89  using Base::nv_;
90  using Base::nx_;
91  using Base::ub_;
92 
93  private:
94  boost::shared_ptr<PinocchioModel> pinocchio_;
95  VectorXs x0_;
96 };
97 
98 } // namespace crocoddyl
99 
100 /* --- Details -------------------------------------------------------------- */
101 /* --- Details -------------------------------------------------------------- */
102 /* --- Details -------------------------------------------------------------- */
103 #include "crocoddyl/multibody/states/multibody.hxx"
104 
105 #endif // CROCODDYL_MULTIBODY_STATES_MULTIBODY_HPP_
crocoddyl::StateMultibodyTpl::get_pinocchio
const boost::shared_ptr< PinocchioModel > & get_pinocchio() const
Return the Pinocchio model (i.e., model of the rigid body system)
crocoddyl::StateAbstractTpl::lb_
VectorXs lb_
Lower state limits.
Definition: state-base.hpp:286
crocoddyl::StateAbstractTpl::has_limits_
bool has_limits_
Indicates whether any of the state limits is finite.
Definition: state-base.hpp:288
crocoddyl::StateAbstractTpl::ub_
VectorXs ub_
Upper state limits.
Definition: state-base.hpp:287
crocoddyl::StateMultibodyTpl::rand
virtual VectorXs rand() const
Generate a random state.
crocoddyl::StateMultibodyTpl::zero
virtual VectorXs zero() const
Generate a zero state.
crocoddyl::StateAbstractTpl::nx_
std::size_t nx_
State dimension.
Definition: state-base.hpp:282
crocoddyl::StateAbstractTpl::nv_
std::size_t nv_
Velocity dimension.
Definition: state-base.hpp:285
crocoddyl::StateMultibodyTpl::StateMultibodyTpl
StateMultibodyTpl(boost::shared_ptr< PinocchioModel > model)
Initialize the multibody state.
crocoddyl::StateAbstractTpl::ndx_
std::size_t ndx_
State rate dimension.
Definition: state-base.hpp:283
crocoddyl::StateAbstractTpl::nq_
std::size_t nq_
Configuration dimension.
Definition: state-base.hpp:284