XoShiRo256PlusPlus Class Reference

A random number generator as proposed here https://prng.di.unimi.it/xoshiro256plusplus.c. More...

#include <RandHelper.h>

Public Member Functions
void	discard (unsigned long long skip)
uint64_t	operator() ()
void	seed (const uint64_t seed)

Static Private Member Functions
static uint64_t	rotl64 (const uint64_t x, const int k)
static uint64_t	splitmix64 (const uint64_t seed)

Private Attributes
uint64_t	state [4]

Friends
std::ostream &	operator<< (std::ostream &os, const XoShiRo256PlusPlus &r)
std::istream &	operator>> (std::istream &is, XoShiRo256PlusPlus &r)

Detailed Description

A random number generator as proposed here https://prng.di.unimi.it/xoshiro256plusplus.c.

Definition at line 47 of file RandHelper.h.

Member Function Documentation

discard()

void XoShiRo256PlusPlus::discard ( unsigned long long  skip )

inline

Definition at line 68 of file RandHelper.h.

operator()()

uint64_t XoShiRo256PlusPlus::operator() ( )

inline

Definition at line 56 of file RandHelper.h.

References rotl64(), and state.

rotl64()

static uint64_t XoShiRo256PlusPlus::rotl64 ( const uint64_t  x, const int  k  )

inlinestaticprivate

Definition at line 86 of file RandHelper.h.

Referenced by operator()().

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seed()

void XoShiRo256PlusPlus::seed ( const uint64_t  seed )

inline

Definition at line 49 of file RandHelper.h.

References splitmix64(), and state.

Referenced by splitmix64().

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splitmix64()

static uint64_t XoShiRo256PlusPlus::splitmix64 ( const uint64_t  seed )

inlinestaticprivate

Definition at line 90 of file RandHelper.h.

References seed().

Referenced by seed().

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Friends And Related Symbol Documentation

operator<<

std::ostream & operator<< ( std::ostream &  os, const XoShiRo256PlusPlus &  r  )

friend

Definition at line 74 of file RandHelper.h.

operator>>

std::istream & operator>> ( std::istream &  is, XoShiRo256PlusPlus &  r  )

friend

Definition at line 79 of file RandHelper.h.

Field Documentation

state

uint64_t XoShiRo256PlusPlus::state[4]

private

Definition at line 97 of file RandHelper.h.

Referenced by operator()(), and seed().

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

• RandHelper.h