Crocoddyl
poly-zero.hpp
1 // BSD 3-Clause License
3 //
4 // Copyright (C) 2021-2025, University of Edinburgh, University of Trento,
5 // Heriot-Watt University
6 // Copyright note valid unless otherwise stated in individual files.
7 // All rights reserved.
9 
10 #ifndef CROCODDYL_CORE_CONTROLS_POLY_ZERO_HPP_
11 #define CROCODDYL_CORE_CONTROLS_POLY_ZERO_HPP_
12 
13 #include "crocoddyl/core/control-base.hpp"
14 #include "crocoddyl/core/fwd.hpp"
15 #include "crocoddyl/core/utils/exception.hpp"
16 
17 namespace crocoddyl {
18 
36 template <typename _Scalar>
38  : public ControlParametrizationModelAbstractTpl<_Scalar> {
39  public:
40  typedef _Scalar Scalar;
46  typedef typename MathBase::VectorXs VectorXs;
47  typedef typename MathBase::MatrixXs MatrixXs;
48 
54  explicit ControlParametrizationModelPolyZeroTpl(const std::size_t nw);
56 
64  virtual void calc(
65  const boost::shared_ptr<ControlParametrizationDataAbstract>& data,
66  const Scalar t, const Eigen::Ref<const VectorXs>& u) const;
67 
78  virtual void calcDiff(
79  const boost::shared_ptr<ControlParametrizationDataAbstract>& data,
80  const Scalar t, const Eigen::Ref<const VectorXs>& u) const;
81 
87  virtual boost::shared_ptr<ControlParametrizationDataAbstract> createData();
88 
97  virtual void params(
98  const boost::shared_ptr<ControlParametrizationDataAbstract>& data,
99  const Scalar t, const Eigen::Ref<const VectorXs>& w) const;
100 
110  virtual void convertBounds(const Eigen::Ref<const VectorXs>& w_lb,
111  const Eigen::Ref<const VectorXs>& w_ub,
112  Eigen::Ref<VectorXs> u_lb,
113  Eigen::Ref<VectorXs> u_ub) const;
114 
128  virtual void multiplyByJacobian(
129  const boost::shared_ptr<ControlParametrizationDataAbstract>& data,
130  const Eigen::Ref<const MatrixXs>& A, Eigen::Ref<MatrixXs> out,
131  const AssignmentOp op = setto) const;
132 
147  const boost::shared_ptr<ControlParametrizationDataAbstract>& data,
148  const Eigen::Ref<const MatrixXs>& A, Eigen::Ref<MatrixXs> out,
149  const AssignmentOp op = setto) const;
150 
151  protected:
152  using Base::nu_;
153  using Base::nw_;
154 };
155 
156 } // namespace crocoddyl
157 
158 /* --- Details -------------------------------------------------------------- */
159 /* --- Details -------------------------------------------------------------- */
160 /* --- Details -------------------------------------------------------------- */
161 #include "crocoddyl/core/controls/poly-zero.hxx"
162 
163 #endif // CROCODDYL_CORE_CONTROLS_POLY_ZERO_HPP_
Abstract class for the control trajectory parametrization.
std::size_t nu_
Control parameters dimension.
A polynomial function of time of degree zero, that is a constant.
Definition: poly-zero.hpp:38
virtual void calc(const boost::shared_ptr< ControlParametrizationDataAbstract > &data, const Scalar t, const Eigen::Ref< const VectorXs > &u) const
Get the value of the control at the specified time.
virtual void multiplyJacobianTransposeBy(const boost::shared_ptr< ControlParametrizationDataAbstract > &data, const Eigen::Ref< const MatrixXs > &A, Eigen::Ref< MatrixXs > out, const AssignmentOp op=setto) const
Compute the product between the transposed Jacobian of the control (with respect to the parameters) a...
virtual void convertBounds(const Eigen::Ref< const VectorXs > &w_lb, const Eigen::Ref< const VectorXs > &w_ub, Eigen::Ref< VectorXs > u_lb, Eigen::Ref< VectorXs > u_ub) const
Map the specified bounds from the control space to the parameter space.
virtual void multiplyByJacobian(const boost::shared_ptr< ControlParametrizationDataAbstract > &data, const Eigen::Ref< const MatrixXs > &A, Eigen::Ref< MatrixXs > out, const AssignmentOp op=setto) const
Compute the product between a specified matrix and the Jacobian of the control (with respect to the p...
ControlParametrizationModelPolyZeroTpl(const std::size_t nw)
Initialize the poly-zero control parametrization.
virtual void params(const boost::shared_ptr< ControlParametrizationDataAbstract > &data, const Scalar t, const Eigen::Ref< const VectorXs > &w) const
Get a value of the control parameters such that the control at the specified time t is equal to the s...
virtual void calcDiff(const boost::shared_ptr< ControlParametrizationDataAbstract > &data, const Scalar t, const Eigen::Ref< const VectorXs > &u) const
Get the value of the Jacobian of the control with respect to the parameters.
virtual boost::shared_ptr< ControlParametrizationDataAbstract > createData()
Create the control-parametrization data.