Directory: | ./ |
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File: | include/pinocchio/algorithm/constraints/visitors/constraint-model-visitor.hpp |
Date: | 2025-02-12 21:03:38 |
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1 | // | ||
2 | // Copyright (c) 2023 INRIA | ||
3 | // | ||
4 | |||
5 | #ifndef __pinocchio_algorithm_constraints_constraint_model_visitor_hpp__ | ||
6 | #define __pinocchio_algorithm_constraints_constraint_model_visitor_hpp__ | ||
7 | |||
8 | #include "pinocchio/algorithm/constraints/fwd.hpp" | ||
9 | // #include "pinocchio/algorithm/constraints/constraint-model-generic.hpp" | ||
10 | // #include "pinocchio/algorithm/constraints/constraint-data-generic.hpp" | ||
11 | #include "pinocchio/multibody/visitor/fusion.hpp" | ||
12 | |||
13 | namespace pinocchio | ||
14 | { | ||
15 | |||
16 | namespace fusion | ||
17 | { | ||
18 | |||
19 | /// | ||
20 | /// \brief Base structure for \b Unary visitation of a ConstraintModel. | ||
21 | /// This structure provides runners to call the right visitor according to the number of | ||
22 | /// arguments. | ||
23 | /// | ||
24 | template<typename ConstraintModelVisitorDerived, typename ReturnType = void> | ||
25 | struct ConstraintUnaryVisitorBase | ||
26 | { | ||
27 | |||
28 | template< | ||
29 | typename Scalar, | ||
30 | int Options, | ||
31 | template<typename, int> class ConstraintCollectionTpl, | ||
32 | typename ArgsTmp> | ||
33 | 4 | static ReturnType run( | |
34 | const ConstraintModelTpl<Scalar, Options, ConstraintCollectionTpl> & cmodel, | ||
35 | ConstraintDataTpl<Scalar, Options, ConstraintCollectionTpl> & cdata, | ||
36 | ArgsTmp args) | ||
37 | { | ||
38 | typedef ConstraintModelTpl<Scalar, Options, ConstraintCollectionTpl> ConstraintModel; | ||
39 |
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4 | InternalVisitorModelAndData<Scalar, Options, ConstraintCollectionTpl, ArgsTmp> visitor( |
40 | cdata, args); | ||
41 |
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8 | return boost::apply_visitor(visitor, cmodel); |
42 | } | ||
43 | |||
44 | template< | ||
45 | typename Scalar, | ||
46 | int Options, | ||
47 | template<typename, int> class ConstraintCollectionTpl, | ||
48 | typename ArgsTmp> | ||
49 | static ReturnType | ||
50 | run(const ConstraintDataTpl<Scalar, Options, ConstraintCollectionTpl> & cdata, ArgsTmp args) | ||
51 | { | ||
52 | typedef ConstraintModelTpl<Scalar, Options, ConstraintCollectionTpl> ConstraintModel; | ||
53 | InternalVisitorModel<Scalar, Options, ConstraintCollectionTpl, ArgsTmp> visitor(args); | ||
54 | return boost::apply_visitor(visitor, cdata); | ||
55 | } | ||
56 | |||
57 | private: | ||
58 | template< | ||
59 | typename Scalar, | ||
60 | int Options, | ||
61 | template<typename, int> class ConstraintCollectionTpl, | ||
62 | typename ArgsTmp> | ||
63 | struct InternalVisitorModel : public boost::static_visitor<ReturnType> | ||
64 | { | ||
65 | typedef ConstraintModelTpl<Scalar, Options, ConstraintCollectionTpl> ConstraintModel; | ||
66 | typedef ConstraintDataTpl<Scalar, Options, ConstraintCollectionTpl> ConstraintData; | ||
67 | |||
68 | InternalVisitorModel(ArgsTmp args) | ||
69 | : args(args) | ||
70 | { | ||
71 | } | ||
72 | |||
73 | template<typename ConstraintModelDerived> | ||
74 | ReturnType operator()(const ConstraintModelBase<ConstraintModelDerived> & cmodel) const | ||
75 | { | ||
76 | return bf::invoke( | ||
77 | &ConstraintModelVisitorDerived::template algo<ConstraintModelDerived>, | ||
78 | bf::append(boost::ref(cmodel.derived()), args)); | ||
79 | } | ||
80 | |||
81 | template<typename ConstraintDataDerived> | ||
82 | ReturnType operator()(const ConstraintDataBase<ConstraintDataDerived> & cdata) const | ||
83 | { | ||
84 | return bf::invoke( | ||
85 | &ConstraintModelVisitorDerived::template algo<ConstraintDataDerived>, | ||
86 | bf::append(boost::ref(cdata.derived()), args)); | ||
87 | } | ||
88 | |||
89 | ArgsTmp args; | ||
90 | }; | ||
91 | |||
92 | template< | ||
93 | typename Scalar, | ||
94 | int Options, | ||
95 | template<typename, int> class ConstraintCollectionTpl, | ||
96 | typename ArgsTmp> | ||
97 | struct InternalVisitorModelAndData : public boost::static_visitor<ReturnType> | ||
98 | { | ||
99 | typedef ConstraintModelTpl<Scalar, Options, ConstraintCollectionTpl> ConstraintModel; | ||
100 | typedef ConstraintDataTpl<Scalar, Options, ConstraintCollectionTpl> ConstraintData; | ||
101 | |||
102 | 4 | InternalVisitorModelAndData(ConstraintData & cdata, ArgsTmp args) | |
103 | 4 | : cdata(cdata) | |
104 | 4 | , args(args) | |
105 | { | ||
106 | 4 | } | |
107 | |||
108 | template<typename ConstraintModelDerived> | ||
109 | 4 | ReturnType operator()(const ConstraintModelBase<ConstraintModelDerived> & cmodel) const | |
110 | { | ||
111 |
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4 | return bf::invoke( |
112 | &ConstraintModelVisitorDerived::template algo<ConstraintModelDerived>, | ||
113 | ✗ | bf::append( | |
114 |
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4 | boost::ref(cmodel.derived()), |
115 | 4 | boost::ref( | |
116 | 4 | boost::get<typename ConstraintModelBase<ConstraintModelDerived>::ConstraintData>( | |
117 | 4 | cdata)), | |
118 | 8 | args)); | |
119 | } | ||
120 | |||
121 | ConstraintData & cdata; | ||
122 | ArgsTmp args; | ||
123 | }; | ||
124 | }; | ||
125 | } // namespace fusion | ||
126 | |||
127 | /** | ||
128 | * @brief ConstraintModelCalcVisitor fusion visitor | ||
129 | */ | ||
130 | template<typename Scalar, int Options, template<typename, int> class JointCollectionTpl> | ||
131 | struct ConstraintModelCalcVisitor | ||
132 | : fusion::ConstraintUnaryVisitorBase< | ||
133 | ConstraintModelCalcVisitor<Scalar, Options, JointCollectionTpl>> | ||
134 | { | ||
135 | typedef ModelTpl<Scalar, Options, JointCollectionTpl> Model; | ||
136 | typedef DataTpl<Scalar, Options, JointCollectionTpl> Data; | ||
137 | typedef boost::fusion::vector<const Model &, const Data &> ArgsType; | ||
138 | |||
139 | template<typename ConstraintModel> | ||
140 | 1 | static void algo( | |
141 | const pinocchio::ConstraintModelBase<ConstraintModel> & cmodel, | ||
142 | typename ConstraintModel::ConstraintData & cdata, | ||
143 | const Model & model, | ||
144 | const Data & data) | ||
145 | { | ||
146 | 1 | cmodel.calc(model, data, cdata.derived()); | |
147 | 1 | } | |
148 | }; | ||
149 | |||
150 | template< | ||
151 | typename Scalar, | ||
152 | int Options, | ||
153 | template<typename S, int O> class JointCollectionTpl, | ||
154 | template<typename S, int O> class ConstraintCollectionTpl> | ||
155 | 1 | void calc( | |
156 | const ConstraintModelTpl<Scalar, Options, ConstraintCollectionTpl> & cmodel, | ||
157 | ConstraintDataTpl<Scalar, Options, ConstraintCollectionTpl> & cdata, | ||
158 | const ModelTpl<Scalar, Options, JointCollectionTpl> & model, | ||
159 | const DataTpl<Scalar, Options, JointCollectionTpl> & data) | ||
160 | { | ||
161 | typedef ConstraintModelCalcVisitor<Scalar, Options, JointCollectionTpl> Algo; | ||
162 |
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1 | Algo::run(cmodel, cdata, typename Algo::ArgsType(model, data)); |
163 | 1 | } | |
164 | |||
165 | /** | ||
166 | * @brief ConstraintModelJacobianVisitor fusion visitor | ||
167 | */ | ||
168 | template< | ||
169 | typename Scalar, | ||
170 | int Options, | ||
171 | template<typename, int> class JointCollectionTpl, | ||
172 | typename JacobianMatrix> | ||
173 | struct ConstraintModelJacobianVisitor | ||
174 | : fusion::ConstraintUnaryVisitorBase< | ||
175 | ConstraintModelJacobianVisitor<Scalar, Options, JointCollectionTpl, JacobianMatrix>> | ||
176 | { | ||
177 | typedef ModelTpl<Scalar, Options, JointCollectionTpl> Model; | ||
178 | typedef DataTpl<Scalar, Options, JointCollectionTpl> Data; | ||
179 | typedef boost::fusion::vector<const Model &, const Data &, JacobianMatrix &> ArgsType; | ||
180 | |||
181 | template<typename ConstraintModel> | ||
182 | 1 | static void algo( | |
183 | const pinocchio::ConstraintModelBase<ConstraintModel> & cmodel, | ||
184 | typename ConstraintModel::ConstraintData & cdata, | ||
185 | const Model & model, | ||
186 | const Data & data, | ||
187 | const Eigen::MatrixBase<JacobianMatrix> & jacobian_matrix) | ||
188 | { | ||
189 | 1 | cmodel.jacobian(model, data, cdata.derived(), jacobian_matrix.const_cast_derived()); | |
190 | 1 | } | |
191 | }; | ||
192 | |||
193 | template< | ||
194 | typename Scalar, | ||
195 | int Options, | ||
196 | template<typename S, int O> class JointCollectionTpl, | ||
197 | template<typename S, int O> class ConstraintCollectionTpl, | ||
198 | typename JacobianMatrix> | ||
199 | 1 | void jacobian( | |
200 | const ConstraintModelTpl<Scalar, Options, ConstraintCollectionTpl> & cmodel, | ||
201 | ConstraintDataTpl<Scalar, Options, ConstraintCollectionTpl> & cdata, | ||
202 | const ModelTpl<Scalar, Options, JointCollectionTpl> & model, | ||
203 | const DataTpl<Scalar, Options, JointCollectionTpl> & data, | ||
204 | const Eigen::MatrixBase<JacobianMatrix> & jacobian_matrix) | ||
205 | { | ||
206 | typedef ConstraintModelJacobianVisitor<Scalar, Options, JointCollectionTpl, JacobianMatrix> | ||
207 | Algo; | ||
208 |
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1 | Algo::run( |
209 | 1 | cmodel, cdata, typename Algo::ArgsType(model, data, jacobian_matrix.const_cast_derived())); | |
210 | 1 | } | |
211 | |||
212 | /** | ||
213 | * @brief ConstraintModelCreateDataVisitor fusion visitor | ||
214 | */ | ||
215 | template<typename Scalar, int Options, template<typename S, int O> class ConstraintCollectionTpl> | ||
216 | struct ConstraintModelCreateDataVisitor | ||
217 | : boost::static_visitor<typename ConstraintCollectionTpl<Scalar, Options>::ConstraintDataVariant> | ||
218 | { | ||
219 | typedef fusion::NoArg ArgsType; | ||
220 | typedef ConstraintCollectionTpl<Scalar, Options> ConstraintCollection; | ||
221 | typedef typename ConstraintCollection::ConstraintModelVariant ConstraintModelVariant; | ||
222 | typedef typename ConstraintCollection::ConstraintDataVariant ConstraintDataVariant; | ||
223 | |||
224 | template<typename ConstraintModel> | ||
225 | ConstraintDataVariant | ||
226 | 1 | operator()(const pinocchio::ConstraintModelBase<ConstraintModel> & cmodel) const | |
227 | { | ||
228 |
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1 | return cmodel.createData(); |
229 | } | ||
230 | |||
231 | 1 | static ConstraintDataVariant run(const ConstraintModelVariant & cmodel) | |
232 | { | ||
233 |
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2 | return boost::apply_visitor(ConstraintModelCreateDataVisitor(), cmodel); |
234 | } | ||
235 | }; | ||
236 | |||
237 | template<typename Scalar, int Options, template<typename S, int O> class ConstraintCollectionTpl> | ||
238 | ConstraintDataTpl<Scalar, Options, ConstraintCollectionTpl> | ||
239 | 1 | createData(const ConstraintModelTpl<Scalar, Options, ConstraintCollectionTpl> & cmodel) | |
240 | { | ||
241 |
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1 | return ConstraintModelCreateDataVisitor<Scalar, Options, ConstraintCollectionTpl>::run(cmodel); |
242 | } | ||
243 | |||
244 | template< | ||
245 | typename Scalar, | ||
246 | int Options, | ||
247 | template<typename S, int O> class ConstraintCollectionTpl, | ||
248 | typename ConstraintDataDerived> | ||
249 | struct ConstraintDataComparisonOperatorVisitor | ||
250 | : fusion::ConstraintUnaryVisitorBase< | ||
251 | ConstraintDataComparisonOperatorVisitor< | ||
252 | Scalar, | ||
253 | Options, | ||
254 | ConstraintCollectionTpl, | ||
255 | ConstraintDataDerived>, | ||
256 | bool> | ||
257 | { | ||
258 | typedef boost::fusion::vector<const ConstraintDataDerived &> ArgsType; | ||
259 | |||
260 | template<typename ConstraintData> | ||
261 | static bool algo( | ||
262 | const ConstraintDataBase<ConstraintData> & cdata_lhs, const ConstraintDataDerived & cdata_rhs) | ||
263 | { | ||
264 | return cdata_lhs.derived() == cdata_rhs; | ||
265 | } | ||
266 | }; | ||
267 | |||
268 | template< | ||
269 | typename Scalar, | ||
270 | int Options, | ||
271 | template<typename S, int O> class ConstraintCollectionTpl, | ||
272 | typename ConstraintDataDerived> | ||
273 | bool isEqual( | ||
274 | const ConstraintDataTpl<Scalar, Options, ConstraintCollectionTpl> & cdata_generic, | ||
275 | const ConstraintDataBase<ConstraintDataDerived> & cdata) | ||
276 | { | ||
277 | typedef ConstraintDataComparisonOperatorVisitor< | ||
278 | Scalar, Options, ConstraintCollectionTpl, ConstraintDataDerived> | ||
279 | Algo; | ||
280 | return Algo::run(cdata_generic, typename Algo::ArgsType(boost::ref(cdata.derived()))); | ||
281 | } | ||
282 | |||
283 | } // namespace pinocchio | ||
284 | |||
285 | #endif // ifdef __pinocchio_algorithm_constraints_constraint_model_visitor_hpp__ | ||
286 |