57 for(
auto ¤t_data_point : trace)
61 if(!current_data_point.y)
69 std::map<double, double>::iterator map_iterator;
71 std::pair<std::map<pappso_double, pappso_double>::iterator,
bool> result;
76 result = map_trace.insert(std::pair<pappso_double, pappso_double>(
x, -current_data_point.y));
92 result.first->second -= current_data_point.y;