randlib::Pcg32 Class Reference

The Pcg32 class
PCG-XSH-RR with 64 bits of state and 32-bit output (Melissa O'Neill, https://www.pcg-random.org), seeded exactly as the reference pcg32_srandom_r(seed, stream). More...

#include <pcg.hpp>

Public Types
using	result_type = std::uint32_t

Public Member Functions
constexpr	Pcg32 (std::uint64_t value=default_seed, std::uint64_t stream=default_stream) noexcept
template<class SeedSeq > requires (!std::convertible_to<SeedSeq &, std::uint64_t>)
	Pcg32 (SeedSeq &sequence)
constexpr void	seed (std::uint64_t value, std::uint64_t stream=default_stream) noexcept
template<class SeedSeq > requires (!std::convertible_to<SeedSeq &, std::uint64_t>)
void	seed (SeedSeq &sequence)
constexpr result_type	operator() () noexcept
constexpr void	discard (unsigned long long n) noexcept

Static Public Member Functions
static constexpr result_type	min () noexcept
static constexpr result_type	max () noexcept

Static Public Attributes
static constexpr std::uint64_t	default_seed = 0x853C49E6748FEA9BULL
static constexpr std::uint64_t	default_stream = 0xDA3E39CB94B95BDBULL

Friends
constexpr bool	operator== (const Pcg32 &, const Pcg32 &)=default

Detailed Description

The Pcg32 class
PCG-XSH-RR with 64 bits of state and 32-bit output (Melissa O'Neill, https://www.pcg-random.org), seeded exactly as the reference pcg32_srandom_r(seed, stream).

Member Typedef Documentation

result_type

using randlib::Pcg32::result_type = std::uint32_t

Constructor & Destructor Documentation

Pcg32() [1/2]

constexpr randlib::Pcg32::Pcg32 ( std::uint64_t  value = default_seed, std::uint64_t  stream = default_stream  )

inlineexplicitconstexprnoexcept

Pcg32() [2/2]

template<class SeedSeq >
requires (!std::convertible_to<SeedSeq &, std::uint64_t>)

randlib::Pcg32::Pcg32 ( SeedSeq &  sequence )

inlineexplicit

Member Function Documentation

discard()

constexpr void randlib::Pcg32::discard ( unsigned long long  n )

inlineconstexprnoexcept

max()

static constexpr result_type randlib::Pcg32::max ( )

inlinestaticconstexprnoexcept

min()

static constexpr result_type randlib::Pcg32::min ( )

inlinestaticconstexprnoexcept

operator()()

constexpr result_type randlib::Pcg32::operator() ( )

inlineconstexprnoexcept

seed() [1/2]

template<class SeedSeq >
requires (!std::convertible_to<SeedSeq &, std::uint64_t>)

void randlib::Pcg32::seed ( SeedSeq &  sequence )

inline

seed() [2/2]

constexpr void randlib::Pcg32::seed ( std::uint64_t  value, std::uint64_t  stream = default_stream  )

inlineconstexprnoexcept

Friends And Related Symbol Documentation

operator==

constexpr bool operator== ( const Pcg32 &  , const Pcg32 &    )

friend

Member Data Documentation

default_seed

constexpr std::uint64_t randlib::Pcg32::default_seed = 0x853C49E6748FEA9BULL

staticconstexpr

default_stream

constexpr std::uint64_t randlib::Pcg32::default_stream = 0xDA3E39CB94B95BDBULL

staticconstexpr

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The documentation for this class was generated from the following file:

• pcg.hpp