SFMTRand Class Reference

#include "SFMTRand.h"

Public Member Functions
	SFMTRand ()
uint32	RandomUInt32 ()
void *	operator new (size_t size, std::nothrow_t const &)
void	operator delete (void *ptr, std::nothrow_t const &)
void *	operator new (size_t size)
void	operator delete (void *ptr)
void *	operator new[] (size_t size, std::nothrow_t const &)
void	operator delete[] (void *ptr, std::nothrow_t const &)
void *	operator new[] (size_t size)
void	operator delete[] (void *ptr)

Private Attributes
sfmt_t	_state

Detailed Description

Constructor & Destructor Documentation

SFMTRand()

SFMTRand::SFMTRand

(

)

{
    std::random_device dev;
 
    if (dev.entropy() > 0)
    {
        std::array<uint32, SFMT_N32> seed;
        std::generate(seed.begin(), seed.end(), std::ref(dev));
 
        sfmt_init_by_array(&_state, seed.data(), seed.size());
    }
    else
    {
        sfmt_init_gen_rand(&_state, uint32(GetEpochTime().count()));
    }
}

References _state, and GetEpochTime().

Member Function Documentation

operator delete() [1/2]

void SFMTRand::operator delete

(

void *

ptr

)

{
    _mm_free(ptr);
}

operator delete() [2/2]

void SFMTRand::operator delete	(	void *	ptr,
		std::nothrow_t const &
	)

{
    _mm_free(ptr);
}

operator delete[]() [1/2]

void SFMTRand::operator delete[]

(

void *

ptr

)

{
    _mm_free(ptr);
}

operator delete[]() [2/2]

void SFMTRand::operator delete[]	(	void *	ptr,
		std::nothrow_t const &
	)

{
    _mm_free(ptr);
}

operator new() [1/2]

void * SFMTRand::operator new

(

size_t

size

)

{
    return _mm_malloc(size, 16);
}

operator new() [2/2]

void * SFMTRand::operator new	(	size_t	size,
		std::nothrow_t const &
	)

{
    return _mm_malloc(size, 16);
}

operator new[]() [1/2]

void * SFMTRand::operator new[]

(

size_t

size

)

{
    return _mm_malloc(size, 16);
}

operator new[]() [2/2]

void * SFMTRand::operator new[]	(	size_t	size,
		std::nothrow_t const &
	)

{
    return _mm_malloc(size, 16);
}

RandomUInt32()

uint32 SFMTRand::RandomUInt32

(

)

{
    return sfmt_genrand_uint32(&_state);
}

References _state.

Referenced by rand32().

Member Data Documentation

_state

sfmt_t SFMTRand::_state

private

Referenced by RandomUInt32(), and SFMTRand().