std::discard_block_engine<Engine,P,R>::base

 

C++

编译器支持

自立实现与有宿主实现

语言

标准库

标准库标头

具名要求

功能特性测试宏 (C++20)

语言支持库

概念库 (C++20)

元编程库 (C++11)

诊断库

通用工具库

字符串库

容器库

迭代器库

范围库 (C++20)

算法库

数值库

本地化库

输入/输出库

文件系统库 (C++17)

正则表达式库 (C++11)

并发支持库 (C++11)

技术规范

符号索引

外部库

 

数值库

常用数学函数
数学特殊函数 (C++17)
数学常数 (C++20)
基本线性代数算法 (C++26)
浮点环境 (C++11)
复数
数值数组 (valarray)
伪随机数生成
因数运算
gcd (C++17)	lcm (C++17)
插值
midpoint (C++20)	lerp (C++20)
饱和算术
add_sat (C++26) sub_sat (C++26) saturate_cast (C++26)	mul_sat (C++26) div_sat (C++26)
泛型算术运算
iota (C++11) ranges::iota (C++23) accumulate inner_product adjacent_difference partial_sum	reduce (C++17) transform_reduce (C++17) inclusive_scan (C++17) exclusive_scan (C++17) transform_inclusive_scan (C++17) transform_exclusive_scan (C++17)
位操作
has_single_bit (C++20)     bit_cast (C++20) bit_ceil (C++20) bit_floor (C++20) bit_width (C++20) rotl (C++20) rotr (C++20)	popcount (C++20) countl_zero (C++20) countl_one (C++20) countr_zero (C++20) countr_one (C++20) byteswap (C++23) endian (C++20)

 

伪随机数生成

均匀随机位生成器 uniform_random_bit_generator (C++20)   随机数引擎 linear_congruential_engine (C++11) mersenne_twister_engine (C++11) subtract_with_carry_engine (C++11) philox_engine (C++26) 随机数引擎适配器 discard_block_engine (C++11) independent_bits_engine (C++11) shuffle_order_engine (C++11) 预定义随机数生成器 非确定随机数 random_device (C++11) 工具 generate_canonical (C++11) seed_seq (C++11) 随机数算法 ranges::generate_random (C++26) C 随机库 rand    srand    RAND_MAX

随机数分布 均匀分布 uniform_int_distribution (C++11) uniform_real_distribution (C++11) generate_canonical (C++11) 伯努利分布 bernoulli_distribution (C++11) binomial_distribution (C++11) negative_binomial_distribution (C++11) geometric_distribution (C++11) 泊松分布 poisson_distribution (C++11) exponential_distribution (C++11) gamma_distribution (C++11) weibull_distribution (C++11) extreme_value_distribution (C++11) 正态分布 normal_distribution (C++11) lognormal_distribution (C++11) chi_squared_distribution (C++11) cauchy_distribution (C++11) fisher_f_distribution (C++11) student_t_distribution (C++11) 采样分布 discrete_distribution (C++11) piecewise_constant_distribution (C++11) piecewise_linear_distribution (C++11)

 

std::discard_block_engine

成员函数

discard_block_engine::discard_block_engine

discard_block_engine::seed

discard_block_engine::base

生成

discard_block_engine::operator()

discard_block_engine::discard

特征

discard_block_engine::min

discard_block_engine::max

非成员函数

operator==operator!= (C++11)(C++11)(C++20 前)

operator<<operator>> (C++11)(C++11)

 

const Engine& base() const noexcept;		(C++11 起)

返回底层引擎

参数

（无）

返回值

底层引擎。