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Added new random utilities with automatic min/max

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This commit is contained in:
0xFEEDC0DE64
2021-09-18 16:14:21 +02:00
parent 3cfb45a8ec
commit 43682439fe
1 changed files with 49 additions and 2 deletions
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51
src/randomutils.h
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@ -2,6 +2,7 @@
// system includes
#include <random>
#include <limits>
namespace cpputils {
@ -47,10 +48,12 @@ T randomNumber(T min, T max, Trandom &&rng)
// return dist(rng);
//}
template<typename T, typename Trandom>
T randomNumber(T max, Trandom &rng)
{
std::uniform_int_distribution<T> dist{{}, max};
std::uniform_int_distribution<T> dist{std::numeric_limits<T>::min(), max};
return dist(rng);
}
@ -71,7 +74,7 @@ T randomNumber(T max, Trandom &rng)
template<typename T, typename Trandom>
T randomNumber(T max, Trandom &&rng)
{
std::uniform_int_distribution<T> dist{{}, max};
std::uniform_int_distribution<T> dist{std::numeric_limits<T>::min(), max};
return dist(rng);
}
@ -89,4 +92,48 @@ T randomNumber(T max, Trandom &&rng)
// return dist(rng);
//}
template<typename T, typename Trandom>
T randomNumber(Trandom &rng)
{
std::uniform_int_distribution<T> dist{std::numeric_limits<T>::min(), std::numeric_limits<T>::max()};
return dist(rng);
}
//template<typename Trandom>
//float randomNumber<float, Trandom>(Trandom &rng)
//{
// std::uniform_real_distribution<float> dist{{}, 1.f};
// return dist(rng);
//}
//template<typename Trandom>
//double randomNumber<double, Trandom>(Trandom &rng)
//{
// std::uniform_real_distribution<double> dist{{}, 1.};
// return dist(rng);
//}
template<typename T, typename Trandom>
T randomNumber(Trandom &&rng)
{
std::uniform_int_distribution<T> dist{std::numeric_limits<T>::min(), std::numeric_limits<T>::max()};
return dist(rng);
}
//template<typename Trandom>
//float randomNumber<float, Trandom>(Trandom &&rng)
//{
// std::uniform_real_distribution<float> dist{{}, 1.f};
// return dist(rng);
//}
//template<typename Trandom>
//double randomNumber<double, Trandom>(Trandom &&rng)
//{
// std::uniform_real_distribution<double> dist{{}, 1.};
// return dist(rng);
//}
} // namespace cpputils