random.hpp File Reference

#include <algorithm>
#include <chrono>
#include <iterator>
#include <limits>
#include <random>
#include <stdexcept>
#include <vector>
#include <cpp-toolbox/type_traits.hpp>

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Classes
class	toolbox::utils::random_t
	随机数工具类/Random number utility class More...

Namespaces
namespace	toolbox
namespace	toolbox::utils
	< 用于 std::out_of_range/For std::out_of_range

Functions
int	toolbox::utils::randint (int a, int b)
	生成[a, b]范围内的随机整数/Generate random integer in [a, b]
template<typename T >
T	toolbox::utils::random (T a, T b)
	通用随机数生成函数/General random number generator
template<typename T >
T	toolbox::utils::random ()
	无参数版本的随机数生成函数/Random number generator without parameters
template<typename T >
T	toolbox::utils::uniform (T a, T b)
	生成[a, b]范围内的均匀分布浮点数/Generate uniform random float in [a, b]
template<typename T >
T	toolbox::utils::gauss (T mu, T sigma)
	生成高斯分布（正态分布）随机数/Generate Gaussian (normal) distributed random number
template<typename T >
T	toolbox::utils::choice (const std::vector< T > &vec)
	从vector中随机选择一个元素/Randomly choose one element from vector
template<typename T >
std::vector< T >	toolbox::utils::choice_n (const std::vector< T > &vec, size_t n)
	从vector中随机选择n个元素/Randomly choose n elements from vector
template<typename T >
std::vector< T >	toolbox::utils::sample (const std::vector< T > &population, size_t k)
	从vector中随机采样k个元素/Randomly sample k elements from vector
template<typename TContainer >
TContainer::value_type	toolbox::utils::choice (const TContainer &container)
	通用容器的随机选择/Randomly choose one element from general container
template<typename TContainer >
TContainer	toolbox::utils::choice_n (const TContainer &container, size_t n)
	通用容器的随机选择n个元素/Randomly choose n elements from general container
template<typename TContainer >
TContainer	toolbox::utils::sample (const TContainer &container, size_t n)
	通用容器的随机采样n个元素/Randomly sample n elements from general container
template<typename TContainer >
void	toolbox::utils::shuffle (TContainer &container)
	随机打乱容器/Shuffle the container randomly
template<typename TContainer >
TContainer	toolbox::utils::generate (std::size_t n, typename TContainer::value_type min, typename TContainer::value_type max)
	生成n个随机数/Generate n random numbers