Directory: | ./ |
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File: | src/graph/graph.cc |
Date: | 2025-03-07 11:10:46 |
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1 | // Copyright (c) 2014, LAAS-CNRS | ||
2 | // Authors: Joseph Mirabel (joseph.mirabel@laas.fr) | ||
3 | // | ||
4 | |||
5 | // Redistribution and use in source and binary forms, with or without | ||
6 | // modification, are permitted provided that the following conditions are | ||
7 | // met: | ||
8 | // | ||
9 | // 1. Redistributions of source code must retain the above copyright | ||
10 | // notice, this list of conditions and the following disclaimer. | ||
11 | // | ||
12 | // 2. Redistributions in binary form must reproduce the above copyright | ||
13 | // notice, this list of conditions and the following disclaimer in the | ||
14 | // documentation and/or other materials provided with the distribution. | ||
15 | // | ||
16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
20 | // HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH | ||
27 | // DAMAGE. | ||
28 | |||
29 | #include "hpp/manipulation/graph/graph.hh" | ||
30 | |||
31 | #include <hpp/manipulation/constraint-set.hh> | ||
32 | #include <hpp/util/assertion.hh> | ||
33 | |||
34 | #include "hpp/manipulation/graph/edge.hh" | ||
35 | #include "hpp/manipulation/graph/state-selector.hh" | ||
36 | #include "hpp/manipulation/graph/state.hh" | ||
37 | #include "hpp/manipulation/graph/statistics.hh" | ||
38 | |||
39 | namespace hpp { | ||
40 | namespace manipulation { | ||
41 | namespace graph { | ||
42 | typedef constraints::Implicit Implicit; | ||
43 | typedef constraints::ImplicitPtr_t ImplicitPtr_t; | ||
44 | 2 | GraphPtr_t Graph::create(const std::string& name, DevicePtr_t robot, | |
45 | const ProblemPtr_t& problem) { | ||
46 |
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2 | Graph* ptr = new Graph(name, problem); |
47 | 2 | GraphPtr_t shPtr(ptr); | |
48 |
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2 | ptr->init(shPtr, robot); |
49 |
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2 | shPtr->createStateSelector(name); |
50 | 2 | return shPtr; | |
51 | } | ||
52 | |||
53 | 2 | void Graph::init(const GraphWkPtr_t& weak, DevicePtr_t robot) { | |
54 |
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2 | GraphComponent::init(weak); |
55 | 2 | robot_ = robot; | |
56 | 2 | wkPtr_ = weak; | |
57 | 2 | parentGraph(wkPtr_); | |
58 |
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2 | insertHistogram( |
59 |
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4 | graph::HistogramPtr_t(new graph::StateHistogram(wkPtr_.lock()))); |
60 | 2 | } | |
61 | |||
62 | 2 | void Graph::initialize() { | |
63 | 2 | hists_.clear(); | |
64 |
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4 | assert(components_.size() >= 1 && components_[0].lock() == wkPtr_.lock()); |
65 |
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14 | for (std::size_t i = 1; i < components_.size(); ++i) |
66 |
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12 | components_[i].lock()->initialize(); |
67 | 2 | isInit_ = true; | |
68 | 2 | } | |
69 | |||
70 | 9 | void Graph::invalidate() { | |
71 |
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15 | for (std::size_t i = 1; i < components_.size(); ++i) { |
72 |
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6 | assert(components_[i].lock()); |
73 |
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6 | components_[i].lock()->invalidate(); |
74 | } | ||
75 | 9 | isInit_ = false; | |
76 | 9 | } | |
77 | |||
78 | 4 | StateSelectorPtr_t Graph::createStateSelector(const std::string& name) { | |
79 | 4 | invalidate(); | |
80 | 4 | stateSelector_ = StateSelector::create(name); | |
81 | 4 | stateSelector_->parentGraph(wkPtr_); | |
82 | 4 | return stateSelector_; | |
83 | } | ||
84 | |||
85 | ✗ | void Graph::stateSelector(StateSelectorPtr_t ns) { | |
86 | ✗ | invalidate(); | |
87 | ✗ | stateSelector_ = ns; | |
88 | ✗ | stateSelector_->parentGraph(wkPtr_); | |
89 | } | ||
90 | |||
91 | 2 | void Graph::maxIterations(size_type iterations) { | |
92 | 2 | invalidate(); | |
93 | 2 | maxIterations_ = iterations; | |
94 | 2 | } | |
95 | |||
96 | 20 | size_type Graph::maxIterations() const { return maxIterations_; } | |
97 | |||
98 | 2 | void Graph::errorThreshold(const value_type& threshold) { | |
99 | 2 | invalidate(); | |
100 | 2 | errorThreshold_ = threshold; | |
101 | 2 | } | |
102 | |||
103 | 20 | value_type Graph::errorThreshold() const { return errorThreshold_; } | |
104 | |||
105 | 65 | const DevicePtr_t& Graph::robot() const { return robot_; } | |
106 | |||
107 | ✗ | void Graph::problem(const ProblemPtr_t& problem) { | |
108 | ✗ | if (problem_ != problem) { | |
109 | ✗ | problem_ = problem; | |
110 | ✗ | invalidate(); | |
111 | } | ||
112 | } | ||
113 | |||
114 | 8 | const ProblemPtr_t& Graph::problem() const { return problem_; } | |
115 | |||
116 | 1 | StatePtr_t Graph::getState(ConfigurationIn_t config) const { | |
117 |
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1 | if (!stateSelector_) |
118 | ✗ | throw std::runtime_error("No StateSelector in Constraint Graph."); | |
119 |
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1 | return stateSelector_->getState(config); |
120 | } | ||
121 | |||
122 | ✗ | StatePtr_t Graph::getState(RoadmapNodePtr_t coreNode) const { | |
123 | ✗ | return stateSelector_->getState(coreNode); | |
124 | } | ||
125 | |||
126 | 1 | Edges_t Graph::getEdges(const StatePtr_t& from, const StatePtr_t& to) const { | |
127 | 1 | Edges_t edges; | |
128 | 1 | for (Neighbors_t::const_iterator it = from->neighbors().begin(); | |
129 |
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3 | it != from->neighbors().end(); ++it) { |
130 |
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2 | if (it->second->stateTo() == to) edges.push_back(it->second); |
131 | } | ||
132 | 1 | return edges; | |
133 | } | ||
134 | |||
135 | ✗ | EdgePtr_t Graph::chooseEdge(RoadmapNodePtr_t from) const { | |
136 | ✗ | return stateSelector_->chooseEdge(from); | |
137 | } | ||
138 | |||
139 | ✗ | void Graph::clearConstraintsAndComplement() { | |
140 | ✗ | constraintsAndComplements_.clear(); | |
141 | } | ||
142 | |||
143 | ✗ | void Graph::registerConstraints(const ImplicitPtr_t& constraint, | |
144 | const ImplicitPtr_t& complement, | ||
145 | const ImplicitPtr_t& both) { | ||
146 | ✗ | for (ConstraintsAndComplements_t::const_iterator it( | |
147 | ✗ | constraintsAndComplements_.begin()); | |
148 | ✗ | it != constraintsAndComplements_.end(); ++it) { | |
149 | ✗ | assert(it->constraint != constraint); | |
150 | } | ||
151 | ✗ | constraintsAndComplements_.push_back( | |
152 | ✗ | ConstraintAndComplement_t(constraint, complement, both)); | |
153 | } | ||
154 | |||
155 | ✗ | bool Graph::isComplement(const ImplicitPtr_t& constraint, | |
156 | const ImplicitPtr_t& complement, | ||
157 | ImplicitPtr_t& combinationOfBoth) const { | ||
158 | ✗ | for (ConstraintsAndComplements_t::const_iterator it = | |
159 | ✗ | constraintsAndComplements_.begin(); | |
160 | ✗ | it != constraintsAndComplements_.end(); ++it) { | |
161 | ✗ | if ((it->constraint->functionPtr() == constraint->functionPtr()) && | |
162 | ✗ | (it->complement->functionPtr() == complement->functionPtr())) { | |
163 | ✗ | combinationOfBoth = it->both; | |
164 | ✗ | return true; | |
165 | } | ||
166 | } | ||
167 | ✗ | return false; | |
168 | } | ||
169 | |||
170 | ✗ | const ConstraintsAndComplements_t& Graph::constraintsAndComplements() const { | |
171 | ✗ | return constraintsAndComplements_; | |
172 | } | ||
173 | |||
174 | ✗ | ConstraintSetPtr_t Graph::configConstraint(const StatePtr_t& state) const { | |
175 | ✗ | return state->configConstraint(); | |
176 | } | ||
177 | |||
178 | ✗ | bool Graph::getConfigErrorForState(ConfigurationIn_t config, | |
179 | const StatePtr_t& state, | ||
180 | vector_t& error) const { | ||
181 | ✗ | return configConstraint(state)->isSatisfied(config, error); | |
182 | } | ||
183 | |||
184 | ✗ | bool Graph::getConfigErrorForEdge(ConfigurationIn_t config, | |
185 | const EdgePtr_t& edge, | ||
186 | vector_t& error) const { | ||
187 | ✗ | ConstraintSetPtr_t cs(pathConstraint(edge)); | |
188 | ✗ | ConfigProjectorPtr_t cp(cs->configProjector()); | |
189 | ✗ | if (cp) cp->rightHandSideFromConfig(config); | |
190 | ✗ | return cs->isSatisfied(config, error); | |
191 | } | ||
192 | |||
193 | ✗ | bool Graph::getConfigErrorForEdgeTarget(ConfigurationIn_t leafConfig, | |
194 | ConfigurationIn_t config, | ||
195 | const EdgePtr_t& edge, | ||
196 | vector_t& error) const { | ||
197 | ✗ | ConstraintSetPtr_t cs(targetConstraint(edge)); | |
198 | ✗ | ConfigProjectorPtr_t cp(cs->configProjector()); | |
199 | ✗ | if (cp) cp->rightHandSideFromConfig(leafConfig); | |
200 | ✗ | return cs->isSatisfied(config, error); | |
201 | } | ||
202 | |||
203 | ✗ | bool Graph::getConfigErrorForEdgeLeaf(ConfigurationIn_t leafConfig, | |
204 | ConfigurationIn_t config, | ||
205 | const EdgePtr_t& edge, | ||
206 | vector_t& error) const { | ||
207 | ✗ | ConstraintSetPtr_t cs(pathConstraint(edge)); | |
208 | ✗ | ConfigProjectorPtr_t cp(cs->configProjector()); | |
209 | ✗ | if (cp) cp->rightHandSideFromConfig(leafConfig); | |
210 | ✗ | return cs->isSatisfied(config, error); | |
211 | } | ||
212 | |||
213 | ✗ | ConstraintSetPtr_t Graph::targetConstraint(const EdgePtr_t& edge) const { | |
214 | ✗ | return edge->targetConstraint(); | |
215 | } | ||
216 | |||
217 | ✗ | ConstraintSetPtr_t Graph::pathConstraint(const EdgePtr_t& edge) const { | |
218 | ✗ | return edge->pathConstraint(); | |
219 | } | ||
220 | |||
221 | 7 | GraphComponentWkPtr_t Graph::get(std::size_t id) const { | |
222 |
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7 | if (id >= components_.size()) throw std::out_of_range("ID out of range."); |
223 | 7 | return components_[id]; | |
224 | } | ||
225 | |||
226 | 28 | GraphComponents_t& Graph::components() { return components_; } | |
227 | |||
228 | 2 | Graph::Graph(const std::string& name, const ProblemPtr_t& problem) | |
229 | 2 | : GraphComponent(name), problem_(problem) {} | |
230 | |||
231 | ✗ | std::ostream& Graph::dotPrint(std::ostream& os, | |
232 | dot::DrawingAttributes da) const { | ||
233 | ✗ | da.separator = "; "; | |
234 | ✗ | da.openSection = "\n"; | |
235 | ✗ | da.closeSection = ";\n"; | |
236 | ✗ | dot::Tooltip tp; | |
237 | ✗ | tp.addLine("Graph constains:"); | |
238 | ✗ | populateTooltip(tp); | |
239 | ✗ | da.insertWithQuote("tooltip", tp.toStr()); | |
240 | ✗ | os << "digraph " << id() << " {" << da; | |
241 | ✗ | stateSelector_->dotPrint(os); | |
242 | ✗ | os << "}" << std::endl; | |
243 | ✗ | return os; | |
244 | } | ||
245 | |||
246 | ✗ | std::ostream& Graph::print(std::ostream& os) const { | |
247 | ✗ | return GraphComponent::print(os) << std::endl << *stateSelector_; | |
248 | } | ||
249 | } // namespace graph | ||
250 | } // namespace manipulation | ||
251 | |||
252 | } // namespace hpp | ||
253 |