random

Random number generators and distributions. More...

Classes
struct	bernoulli_distribution
struct	uniform_int_distribution< IntType >
struct	uniform_real_distribution< RealType >
struct	xorshift< UInt, X, Y, Z >
	https://en.wikipedia.org/wiki/Xorshift More...
struct	xoshiro128plus
struct	xoshiro128plusplus
struct	xoshiro128starstar

Typedefs
using	xorshift16 = xorshift<uint16_t, 7, 9, 8>
	16-bit pseudo number generator
using	xorshift32 = xorshift<uint32_t, 13, 17, 5>
	32-bit pseudo number generator
using	xorshift64 = xorshift<uint64_t, 13, 7, 17>
	64-bit pseudo number generator

Functions
template<typename Real, size_t Bits, typename RNG>
constexpr auto	generate_canonical (RNG &g) noexcept(noexcept(g())) -> Real
	Generates a random floating point number in range [0,1).

Detailed Description

Random number generators and distributions.

#include <etl/random.hpp>

Typedef Documentation

xorshift16

template<unsigned_integral UInt, UInt X, UInt Y, UInt Z>

using xorshift16 = xorshift<uint16_t, 7, 9, 8>

related

16-bit pseudo number generator

• http://www.retroprogramming.com/2017/07/xorshift-pseudorandom-numbers-in-z80.html
• https://codebase64.org/doku.php?id=base:16bit_xorshift_random_generator

xorshift32

template<unsigned_integral UInt, UInt X, UInt Y, UInt Z>

using xorshift32 = xorshift<uint32_t, 13, 17, 5>

related

32-bit pseudo number generator

xorshift64

template<unsigned_integral UInt, UInt X, UInt Y, UInt Z>

using xorshift64 = xorshift<uint64_t, 13, 7, 17>

related

64-bit pseudo number generator

Function Documentation

generate_canonical()

template<typename Real, size_t Bits, typename RNG>

auto generate_canonical ( RNG & g ) -> Real

nodiscardconstexprnoexcept

Generates a random floating point number in range [0,1).