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|---|---|---|---|
| 1 | /////////////////////////////////////////////////////////////////////////////// | ||
| 2 | // BSD 3-Clause License | ||
| 3 | // | ||
| 4 | // Copyright (C) 2019-2025, University of Edinburgh, LAAS-CNRS, | ||
| 5 | // Heriot-Watt University | ||
| 6 | // Copyright note valid unless otherwise stated in individual files. | ||
| 7 | // All rights reserved. | ||
| 8 | /////////////////////////////////////////////////////////////////////////////// | ||
| 9 | |||
| 10 | #ifndef CROCODDYL_CORE_ACTIVATIONS_WEIGHTED_QUADRATIC_BARRIER_HPP_ | ||
| 11 | #define CROCODDYL_CORE_ACTIVATIONS_WEIGHTED_QUADRATIC_BARRIER_HPP_ | ||
| 12 | |||
| 13 | #include <pinocchio/utils/static-if.hpp> | ||
| 14 | |||
| 15 | #include "crocoddyl/core/activations/quadratic-barrier.hpp" | ||
| 16 | #include "crocoddyl/core/fwd.hpp" | ||
| 17 | |||
| 18 | namespace crocoddyl { | ||
| 19 | |||
| 20 | template <typename _Scalar> | ||
| 21 | class ActivationModelWeightedQuadraticBarrierTpl | ||
| 22 | : public ActivationModelAbstractTpl<_Scalar> { | ||
| 23 | public: | ||
| 24 | EIGEN_MAKE_ALIGNED_OPERATOR_NEW | ||
| 25 | ✗ | CROCODDYL_DERIVED_CAST(ActivationModelBase, | |
| 26 | ActivationModelWeightedQuadraticBarrierTpl) | ||
| 27 | |||
| 28 | typedef _Scalar Scalar; | ||
| 29 | typedef MathBaseTpl<Scalar> MathBase; | ||
| 30 | typedef ActivationModelAbstractTpl<Scalar> Base; | ||
| 31 | typedef ActivationDataAbstractTpl<Scalar> ActivationDataAbstract; | ||
| 32 | typedef ActivationDataQuadraticBarrierTpl<Scalar> Data; | ||
| 33 | typedef ActivationBoundsTpl<Scalar> ActivationBounds; | ||
| 34 | typedef typename MathBase::VectorXs VectorXs; | ||
| 35 | typedef typename MathBase::MatrixXs MatrixXs; | ||
| 36 | |||
| 37 | ✗ | explicit ActivationModelWeightedQuadraticBarrierTpl( | |
| 38 | const ActivationBounds& bounds, const VectorXs& weights) | ||
| 39 | ✗ | : Base(bounds.lb.size()), bounds_(bounds), weights_(weights) {}; | |
| 40 | ✗ | virtual ~ActivationModelWeightedQuadraticBarrierTpl() = default; | |
| 41 | |||
| 42 | ✗ | virtual void calc(const std::shared_ptr<ActivationDataAbstract>& data, | |
| 43 | const Eigen::Ref<const VectorXs>& r) override { | ||
| 44 | ✗ | if (static_cast<std::size_t>(r.size()) != nr_) { | |
| 45 | ✗ | throw_pretty( | |
| 46 | "Invalid argument: " << "r has wrong dimension (it should be " + | ||
| 47 | std::to_string(nr_) + ")"); | ||
| 48 | } | ||
| 49 | ✗ | std::shared_ptr<Data> d = std::static_pointer_cast<Data>(data); | |
| 50 | |||
| 51 | ✗ | d->rlb_min_ = (r - bounds_.lb).array().min(Scalar(0.)); | |
| 52 | ✗ | d->rub_max_ = (r - bounds_.ub).array().max(Scalar(0.)); | |
| 53 | ✗ | d->rlb_min_.array() *= weights_.array(); | |
| 54 | ✗ | d->rub_max_.array() *= weights_.array(); | |
| 55 | ✗ | data->a_value = Scalar(0.5) * d->rlb_min_.matrix().squaredNorm() + | |
| 56 | ✗ | Scalar(0.5) * d->rub_max_.matrix().squaredNorm(); | |
| 57 | ✗ | }; | |
| 58 | |||
| 59 | ✗ | virtual void calcDiff(const std::shared_ptr<ActivationDataAbstract>& data, | |
| 60 | const Eigen::Ref<const VectorXs>& r) override { | ||
| 61 | ✗ | if (static_cast<std::size_t>(r.size()) != nr_) { | |
| 62 | ✗ | throw_pretty( | |
| 63 | "Invalid argument: " << "r has wrong dimension (it should be " + | ||
| 64 | std::to_string(nr_) + ")"); | ||
| 65 | } | ||
| 66 | ✗ | std::shared_ptr<Data> d = std::static_pointer_cast<Data>(data); | |
| 67 | ✗ | data->Ar = (d->rlb_min_ + d->rub_max_).matrix(); | |
| 68 | ✗ | data->Ar.array() *= weights_.array(); | |
| 69 | |||
| 70 | using pinocchio::internal::if_then_else; | ||
| 71 | ✗ | for (Eigen::Index i = 0; i < data->Arr.cols(); i++) { | |
| 72 | ✗ | data->Arr.diagonal()[i] = if_then_else( | |
| 73 | ✗ | pinocchio::internal::LE, r[i] - bounds_.lb[i], Scalar(0.), Scalar(1.), | |
| 74 | ✗ | if_then_else(pinocchio::internal::GE, r[i] - bounds_.ub[i], | |
| 75 | ✗ | Scalar(0.), Scalar(1.), Scalar(0.))); | |
| 76 | } | ||
| 77 | |||
| 78 | ✗ | data->Arr.diagonal().array() *= weights_.array(); | |
| 79 | ✗ | }; | |
| 80 | |||
| 81 | ✗ | virtual std::shared_ptr<ActivationDataAbstract> createData() override { | |
| 82 | ✗ | return std::allocate_shared<Data>(Eigen::aligned_allocator<Data>(), this); | |
| 83 | }; | ||
| 84 | |||
| 85 | template <typename NewScalar> | ||
| 86 | ✗ | ActivationModelWeightedQuadraticBarrierTpl<NewScalar> cast() const { | |
| 87 | typedef ActivationModelWeightedQuadraticBarrierTpl<NewScalar> ReturnType; | ||
| 88 | ✗ | ReturnType res(bounds_.template cast<NewScalar>(), | |
| 89 | ✗ | weights_.template cast<NewScalar>()); | |
| 90 | ✗ | return res; | |
| 91 | } | ||
| 92 | |||
| 93 | ✗ | const ActivationBounds& get_bounds() const { return bounds_; }; | |
| 94 | ✗ | const VectorXs& get_weights() const { return weights_; }; | |
| 95 | ✗ | void set_bounds(const ActivationBounds& bounds) { bounds_ = bounds; }; | |
| 96 | ✗ | void set_weights(const VectorXs& weights) { | |
| 97 | ✗ | if (weights.size() != weights_.size()) { | |
| 98 | ✗ | throw_pretty("Invalid argument: " | |
| 99 | << "weight vector has wrong dimension (it should be " + | ||
| 100 | std::to_string(weights_.size()) + ")"); | ||
| 101 | } | ||
| 102 | ✗ | weights_ = weights; | |
| 103 | ✗ | }; | |
| 104 | |||
| 105 | /** | ||
| 106 | * @brief Print relevant information of the quadratic barrier model | ||
| 107 | * | ||
| 108 | * @param[out] os Output stream object | ||
| 109 | */ | ||
| 110 | ✗ | virtual void print(std::ostream& os) const override { | |
| 111 | ✗ | os << "ActivationModelWeightedQuadraticBarrier {nr=" << nr_ << "}"; | |
| 112 | ✗ | } | |
| 113 | |||
| 114 | protected: | ||
| 115 | using Base::nr_; | ||
| 116 | |||
| 117 | private: | ||
| 118 | ActivationBounds bounds_; | ||
| 119 | VectorXs weights_; | ||
| 120 | }; | ||
| 121 | |||
| 122 | } // namespace crocoddyl | ||
| 123 | |||
| 124 | CROCODDYL_DECLARE_EXTERN_TEMPLATE_CLASS( | ||
| 125 | crocoddyl::ActivationModelWeightedQuadraticBarrierTpl) | ||
| 126 | |||
| 127 | #endif // CROCODDYL_CORE_ACTIVATIONS_WEIGHTED_QUADRATIC_BARRIER_HPP_ | ||
| 128 |