140 lines
3.4 KiB
C++
140 lines
3.4 KiB
C++
#pragma once
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// system includes
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#include <random>
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#include <limits>
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namespace cpputils {
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template<typename T, typename Trandom>
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T randomNumber(T min, T max, Trandom &rng)
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{
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std::uniform_int_distribution<T> dist{min, max};
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return dist(rng);
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}
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//template<typename Trandom>
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//float randomNumber<float, Trandom>(float min, float max, Trandom &rng)
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//{
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// std::uniform_real_distribution<float> dist{min, max};
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// return dist(rng);
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//}
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//template<typename Trandom>
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//double randomNumber<double, Trandom>(double min, double max, Trandom &rng)
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//{
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// std::uniform_real_distribution<double> dist{min, max};
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// return dist(rng);
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//}
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template<typename T, typename Trandom>
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T randomNumber(T min, T max, Trandom &&rng)
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{
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std::uniform_int_distribution<T> dist{min, max};
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return dist(rng);
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}
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//template<typename Trandom>
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//float randomNumber<float, Trandom>(float min, float max, Trandom &&rng)
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//{
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// std::uniform_real_distribution<float> dist{min, max};
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// return dist(rng);
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//}
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//template<typename Trandom>
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//double randomNumber<double, Trandom>(double min, double max, Trandom &&rng)
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//{
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// std::uniform_real_distribution<double> dist{min, max};
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// return dist(rng);
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//}
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template<typename T, typename Trandom>
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T randomNumber(T max, Trandom &rng)
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{
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std::uniform_int_distribution<T> dist{std::numeric_limits<T>::min(), max};
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return dist(rng);
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}
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//template<typename Trandom>
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//float randomNumber<float, Trandom>(float max, Trandom &rng)
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//{
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// std::uniform_real_distribution<float> dist{{}, max};
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// return dist(rng);
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//}
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//template<typename Trandom>
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//double randomNumber<double, Trandom>(double max, Trandom &rng)
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//{
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// std::uniform_real_distribution<double> dist{{}, max};
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// return dist(rng);
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//}
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template<typename T, typename Trandom>
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T randomNumber(T max, Trandom &&rng)
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{
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std::uniform_int_distribution<T> dist{std::numeric_limits<T>::min(), max};
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return dist(rng);
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}
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//template<typename Trandom>
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//float randomNumber<float, Trandom>(float max, Trandom &&rng)
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//{
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// std::uniform_real_distribution<float> dist{{}, max};
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// return dist(rng);
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//}
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//template<typename Trandom>
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//double randomNumber<double, Trandom>(double max, Trandom &&rng)
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//{
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// std::uniform_real_distribution<double> dist{{}, max};
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// return dist(rng);
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//}
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template<typename T, typename Trandom>
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T randomNumber(Trandom &rng)
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{
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std::uniform_int_distribution<T> dist{std::numeric_limits<T>::min(), std::numeric_limits<T>::max()};
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return dist(rng);
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}
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//template<typename Trandom>
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//float randomNumber<float, Trandom>(Trandom &rng)
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//{
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// std::uniform_real_distribution<float> dist{{}, 1.f};
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// return dist(rng);
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//}
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//template<typename Trandom>
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//double randomNumber<double, Trandom>(Trandom &rng)
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//{
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// std::uniform_real_distribution<double> dist{{}, 1.};
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// return dist(rng);
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//}
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template<typename T, typename Trandom>
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T randomNumber(Trandom &&rng)
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{
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std::uniform_int_distribution<T> dist{std::numeric_limits<T>::min(), std::numeric_limits<T>::max()};
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return dist(rng);
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}
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//template<typename Trandom>
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//float randomNumber<float, Trandom>(Trandom &&rng)
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//{
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// std::uniform_real_distribution<float> dist{{}, 1.f};
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// return dist(rng);
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//}
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//template<typename Trandom>
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//double randomNumber<double, Trandom>(Trandom &&rng)
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//{
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// std::uniform_real_distribution<double> dist{{}, 1.};
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// return dist(rng);
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//}
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} // namespace cpputils
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