/
githubmirror
/
omim
Обзор
Документация
Войти
/
githubmirror
/
omim
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
traffic/speed_groups.hpp
44 строки
1 KB
Maxim Pimenov
Got rid of the old style std/ includes for several files, mostly in map/ and platform/.
23 сен 2019, 13:25
23 сен 2019, 13:25
bfc0b02
Код
Авторство
О чём код?
#pragma once #include <cstdint> #include <string> namespace traffic { enum class SpeedGroup : uint8_t { G0 = 0, G1, G2, G3, G4, G5, TempBlock, Unknown, Count }; static_assert(static_cast<uint8_t>(SpeedGroup::Count) <= 8, ""); // Let M be the maximal speed that is possible on a free road // and let V be the maximal speed that is possible on this road when // taking the traffic data into account. // We group all possible ratios (V/M) into a small number of // buckets and only use the number of a bucket everywhere. // That is, we forget the specific values of V when transmitting and // displaying traffic information. The value M of a road is known at the // stage of building the mwm containing this road. // // kSpeedGroupThresholdPercentage[g] denotes the maximal value of (V/M) // that is possible for group |g|. Values falling on a border of two groups // may belong to either group. // // The threshold percentage is defined to be 100 for the // special groups where V is unknown or not defined. extern uint32_t const kSpeedGroupThresholdPercentage[static_cast<size_t>(SpeedGroup::Count)]; /// \note This method is used in traffic jam generation. SpeedGroup GetSpeedGroupByPercentage(double p); std::string DebugPrint(SpeedGroup const & group); } // namespace traffic