| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /////////////////////////////////////////////////////////////////////////////// | ||
| 2 | // BSD 3-Clause License | ||
| 3 | // | ||
| 4 | // Copyright (C) 2019-2025, LAAS-CNRS, University of Edinburgh, | ||
| 5 | // Heriot-Watt University | ||
| 6 | // Copyright note valid unless otherwise stated in individual files. | ||
| 7 | // All rights reserved. | ||
| 8 | /////////////////////////////////////////////////////////////////////////////// | ||
| 9 | |||
| 10 | namespace crocoddyl { | ||
| 11 | template <typename Scalar> | ||
| 12 | ✗ | ActionModelUnicycleTpl<Scalar>::ActionModelUnicycleTpl() | |
| 13 | : ActionModelAbstractTpl<Scalar>( | ||
| 14 | ✗ | std::make_shared<StateVectorTpl<Scalar> >(3), 2, 5), | |
| 15 | ✗ | dt_(Scalar(0.1)) { | |
| 16 | ✗ | cost_weights_ << Scalar(10.), Scalar(1.); | |
| 17 | ✗ | } | |
| 18 | |||
| 19 | template <typename Scalar> | ||
| 20 | ✗ | void ActionModelUnicycleTpl<Scalar>::calc( | |
| 21 | const std::shared_ptr<ActionDataAbstractTpl<Scalar> >& data, | ||
| 22 | const Eigen::Ref<const VectorXs>& x, const Eigen::Ref<const VectorXs>& u) { | ||
| 23 | ✗ | if (static_cast<std::size_t>(x.size()) != state_->get_nx()) { | |
| 24 | ✗ | throw_pretty( | |
| 25 | "Invalid argument: " << "x has wrong dimension (it should be " + | ||
| 26 | std::to_string(state_->get_nx()) + ")"); | ||
| 27 | } | ||
| 28 | ✗ | if (static_cast<std::size_t>(u.size()) != nu_) { | |
| 29 | ✗ | throw_pretty( | |
| 30 | "Invalid argument: " << "u has wrong dimension (it should be " + | ||
| 31 | std::to_string(nu_) + ")"); | ||
| 32 | } | ||
| 33 | ✗ | Data* d = static_cast<Data*>(data.get()); | |
| 34 | |||
| 35 | ✗ | const Scalar c = cos(x[2]); | |
| 36 | ✗ | const Scalar s = sin(x[2]); | |
| 37 | ✗ | d->xnext << x[0] + c * u[0] * dt_, x[1] + s * u[0] * dt_, x[2] + u[1] * dt_; | |
| 38 | ✗ | d->r.template head<3>() = cost_weights_[0] * x; | |
| 39 | ✗ | d->r.template tail<2>() = cost_weights_[1] * u; | |
| 40 | ✗ | d->cost = Scalar(0.5) * d->r.dot(d->r); | |
| 41 | ✗ | } | |
| 42 | |||
| 43 | template <typename Scalar> | ||
| 44 | ✗ | void ActionModelUnicycleTpl<Scalar>::calc( | |
| 45 | const std::shared_ptr<ActionDataAbstractTpl<Scalar> >& data, | ||
| 46 | const Eigen::Ref<const VectorXs>& x) { | ||
| 47 | ✗ | if (static_cast<std::size_t>(x.size()) != state_->get_nx()) { | |
| 48 | ✗ | throw_pretty( | |
| 49 | "Invalid argument: " << "x has wrong dimension (it should be " + | ||
| 50 | std::to_string(state_->get_nx()) + ")"); | ||
| 51 | } | ||
| 52 | ✗ | Data* d = static_cast<Data*>(data.get()); | |
| 53 | |||
| 54 | ✗ | d->xnext = x; | |
| 55 | ✗ | d->r.template head<3>() = cost_weights_[0] * x; | |
| 56 | ✗ | d->r.template tail<2>().setZero(); | |
| 57 | ✗ | d->cost = Scalar(0.5) * d->r.template head<3>().dot(d->r.template head<3>()); | |
| 58 | ✗ | } | |
| 59 | |||
| 60 | template <typename Scalar> | ||
| 61 | ✗ | void ActionModelUnicycleTpl<Scalar>::calcDiff( | |
| 62 | const std::shared_ptr<ActionDataAbstractTpl<Scalar> >& data, | ||
| 63 | const Eigen::Ref<const VectorXs>& x, const Eigen::Ref<const VectorXs>& u) { | ||
| 64 | ✗ | if (static_cast<std::size_t>(x.size()) != state_->get_nx()) { | |
| 65 | ✗ | throw_pretty( | |
| 66 | "Invalid argument: " << "x has wrong dimension (it should be " + | ||
| 67 | std::to_string(state_->get_nx()) + ")"); | ||
| 68 | } | ||
| 69 | ✗ | if (static_cast<std::size_t>(u.size()) != nu_) { | |
| 70 | ✗ | throw_pretty( | |
| 71 | "Invalid argument: " << "u has wrong dimension (it should be " + | ||
| 72 | std::to_string(nu_) + ")"); | ||
| 73 | } | ||
| 74 | ✗ | Data* d = static_cast<Data*>(data.get()); | |
| 75 | |||
| 76 | ✗ | const Scalar c = static_cast<Scalar>(cos(x[2])); | |
| 77 | ✗ | const Scalar s = static_cast<Scalar>(sin(x[2])); | |
| 78 | ✗ | const Scalar w_x = cost_weights_[0] * cost_weights_[0]; | |
| 79 | ✗ | const Scalar w_u = cost_weights_[1] * cost_weights_[1]; | |
| 80 | ✗ | d->Lx = x * w_x; | |
| 81 | ✗ | d->Lu = u * w_u; | |
| 82 | ✗ | d->Lxx.diagonal().setConstant(w_x); | |
| 83 | ✗ | d->Luu.diagonal().setConstant(w_u); | |
| 84 | ✗ | d->Fx(0, 2) = -s * u[0] * dt_; | |
| 85 | ✗ | d->Fx(1, 2) = c * u[0] * dt_; | |
| 86 | ✗ | d->Fu(0, 0) = c * dt_; | |
| 87 | ✗ | d->Fu(1, 0) = s * dt_; | |
| 88 | ✗ | d->Fu(2, 1) = dt_; | |
| 89 | ✗ | } | |
| 90 | |||
| 91 | template <typename Scalar> | ||
| 92 | ✗ | void ActionModelUnicycleTpl<Scalar>::calcDiff( | |
| 93 | const std::shared_ptr<ActionDataAbstractTpl<Scalar> >& data, | ||
| 94 | const Eigen::Ref<const VectorXs>& x) { | ||
| 95 | ✗ | if (static_cast<std::size_t>(x.size()) != state_->get_nx()) { | |
| 96 | ✗ | throw_pretty( | |
| 97 | "Invalid argument: " << "x has wrong dimension (it should be " + | ||
| 98 | std::to_string(state_->get_nx()) + ")"); | ||
| 99 | } | ||
| 100 | ✗ | Data* d = static_cast<Data*>(data.get()); | |
| 101 | |||
| 102 | ✗ | const Scalar w_x = cost_weights_[0] * cost_weights_[0]; | |
| 103 | ✗ | d->Lx = x * w_x; | |
| 104 | ✗ | d->Lxx.diagonal().setConstant(w_x); | |
| 105 | ✗ | } | |
| 106 | |||
| 107 | template <typename Scalar> | ||
| 108 | std::shared_ptr<ActionDataAbstractTpl<Scalar> > | ||
| 109 | ✗ | ActionModelUnicycleTpl<Scalar>::createData() { | |
| 110 | ✗ | return std::allocate_shared<Data>(Eigen::aligned_allocator<Data>(), this); | |
| 111 | } | ||
| 112 | |||
| 113 | template <typename Scalar> | ||
| 114 | template <typename NewScalar> | ||
| 115 | ✗ | ActionModelUnicycleTpl<NewScalar> ActionModelUnicycleTpl<Scalar>::cast() const { | |
| 116 | typedef ActionModelUnicycleTpl<NewScalar> ReturnType; | ||
| 117 | ✗ | ReturnType ret; | |
| 118 | ✗ | return ret; | |
| 119 | } | ||
| 120 | |||
| 121 | template <typename Scalar> | ||
| 122 | ✗ | bool ActionModelUnicycleTpl<Scalar>::checkData( | |
| 123 | const std::shared_ptr<ActionDataAbstract>& data) { | ||
| 124 | ✗ | std::shared_ptr<Data> d = std::dynamic_pointer_cast<Data>(data); | |
| 125 | ✗ | if (d != NULL) { | |
| 126 | ✗ | return true; | |
| 127 | } else { | ||
| 128 | ✗ | return false; | |
| 129 | } | ||
| 130 | ✗ | } | |
| 131 | |||
| 132 | template <typename Scalar> | ||
| 133 | ✗ | void ActionModelUnicycleTpl<Scalar>::print(std::ostream& os) const { | |
| 134 | ✗ | os << "ActionModelUnicycle {dt=" << dt_ << "}"; | |
| 135 | ✗ | } | |
| 136 | |||
| 137 | template <typename Scalar> | ||
| 138 | const typename MathBaseTpl<Scalar>::Vector2s& | ||
| 139 | ✗ | ActionModelUnicycleTpl<Scalar>::get_cost_weights() const { | |
| 140 | ✗ | return cost_weights_; | |
| 141 | } | ||
| 142 | |||
| 143 | template <typename Scalar> | ||
| 144 | ✗ | void ActionModelUnicycleTpl<Scalar>::set_cost_weights( | |
| 145 | const typename MathBase::Vector2s& weights) { | ||
| 146 | ✗ | cost_weights_ = weights; | |
| 147 | ✗ | } | |
| 148 | |||
| 149 | template <typename Scalar> | ||
| 150 | ✗ | Scalar ActionModelUnicycleTpl<Scalar>::get_dt() const { | |
| 151 | ✗ | return dt_; | |
| 152 | } | ||
| 153 | |||
| 154 | template <typename Scalar> | ||
| 155 | ✗ | void ActionModelUnicycleTpl<Scalar>::set_dt(const Scalar dt) { | |
| 156 | ✗ | if (dt <= 0) | |
| 157 | ✗ | throw_pretty("Invalid argument: dt should be strictly positive."); | |
| 158 | ✗ | dt_ = dt; | |
| 159 | ✗ | } | |
| 160 | |||
| 161 | } // namespace crocoddyl | ||
| 162 |