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ROS 2 Navigation Stack
illegal_trajectory_tracker.cpp
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34 
35 #include "dwb_core/illegal_trajectory_tracker.hpp"
36 #include <map>
37 #include <utility>
38 #include <string>
39 #include <sstream>
40 
41 namespace dwb_core
42 {
43 void IllegalTrajectoryTracker::addIllegalTrajectory(
45 {
46  counts_[std::make_pair(e.getCriticName(), e.what())]++;
47  illegal_count_++;
48 }
49 
50 void IllegalTrajectoryTracker::addLegalTrajectory()
51 {
52  legal_count_++;
53 }
54 
55 std::map<std::pair<std::string, std::string>,
56  double> IllegalTrajectoryTracker::getPercentages() const
57 {
58  std::map<std::pair<std::string, std::string>, double> percents;
59  double denominator = static_cast<double>(legal_count_ + illegal_count_);
60  for (auto const & x : counts_) {
61  percents[x.first] = static_cast<double>(x.second) / denominator;
62  }
63  return percents;
64 }
65 
66 std::string IllegalTrajectoryTracker::getMessage() const
67 {
68  std::ostringstream msg;
69  if (legal_count_ == 0) {
70  msg << "No valid trajectories out of " << illegal_count_ << "! ";
71  } else {
72  unsigned int total = legal_count_ + illegal_count_;
73  msg << legal_count_ << " valid trajectories found (";
74  msg << static_cast<double>(100 * legal_count_) / static_cast<double>(total);
75  msg << "% of " << total << "). ";
76  }
77  return msg.str();
78 }
79 
80 } // namespace dwb_core
Thrown when one of the critics encountered a fatal error.
Definition: exceptions.hpp:50