_Swc_01_traits< _Ty, _Wx, _Rx > Struct Template Reference

Public Types
typedef _Ty	_Cy_t
typedef _Ty	_Mod_t
typedef unsigned int	_Seed_t

Static Public Member Functions
template<class _Gen >
static _Cy_t	_Reset (_Gen &_Gx, _Ty *_Ax, bool _Readcy)
template<class _Elem , class _Traits >
static void	_Write (basic_ostream< _Elem, _Traits > &_Ostr, const _Circ_buf< _Ty, _Rx > &_Buf, _Cy_t _Cy)

Static Public Attributes
static const _Cy_t	_Cy
static const _Mod_t	_Mod = 1
static const _Ty	_Max = 1
static const int	_Nwords = (_Wx + 31) / 32

Static Private Attributes
static const _Ty	_Scale1
static const unsigned long	_Mask

Member Typedef Documentation

template<class _Ty , size_t _Wx, size_t _Rx>

typedef _Ty _Swc_01_traits< _Ty, _Wx, _Rx >::_Cy_t

template<class _Ty , size_t _Wx, size_t _Rx>

typedef _Ty _Swc_01_traits< _Ty, _Wx, _Rx >::_Mod_t

template<class _Ty , size_t _Wx, size_t _Rx>

typedef unsigned int _Swc_01_traits< _Ty, _Wx, _Rx >::_Seed_t

Member Function Documentation

template<class _Ty , size_t _Wx, size_t _Rx>

template<class _Gen >

static _Cy_t _Swc_01_traits< _Ty, _Wx, _Rx >::_Reset ( _Gen &  _Gx, _Ty *  _Ax, bool  _Readcy  )

inlinestatic

        {   // set initial values of _Ax from generator _Gx
            // return value of _Cy from range if _Readcy is true,
            // otherwise from last value
        for (int _Ix = 0; _Ix < _Rx; ++_Ix)
            {   // read values
            _Ty _Factor = 1;
            _Ty _Val = 0;
            for (int _Jx = 0; _Jx < _Nwords - 1; ++_Jx)
                {   // read components of value
                _Factor /= (_Ty)_Two32;
                _Val += _Gx() * _Factor;
                }
            _Ty _Temp = ((unsigned long)_Gx() & _Mask) / _Scale1;
            _Val += (_Temp - (unsigned long)_Temp) * _Factor;
            _Ax[_Ix] = _Val;
            }
        if (!_Readcy)
            return (_Ax[_Rx - 1] != 0 ? 0 : _Cy);
        else
            return (_Gx() == 0 ? 0 : _Cy);
        }

template<class _Ty , size_t _Wx, size_t _Rx>

template<class _Elem , class _Traits >

static void _Swc_01_traits< _Ty, _Wx, _Rx >::_Write ( basic_ostream< _Elem, _Traits > &  _Ostr, const _Circ_buf< _Ty, _Rx > &  _Buf, _Cy_t  _Cy  )

inlinestatic

        {   // write state to _Ostr
        for (int _Ix = 0; _Ix < _Rx; ++_Ix)
            {   // write values
            _Ty _Val = _Buf._At(_Ix);
            unsigned long _Temp;
            for (int _Jx = 0; _Jx < _Nwords - 1; ++_Jx)
                {   // write components of value
                _Val *= (_Ty)_Two32;
                _Temp = (unsigned long)_Val;
                _Val -= _Temp;
                _Ostr << _Temp << ' ';
                }
            _Temp = (unsigned long)(_Val * _Scale1);
            _Ostr << _Temp << ' ';
            }
        _Ostr << (_Cy ? 1 : 0);
        }

Member Data Documentation

template<class _Ty , size_t _Wx, size_t _Rx>

const _Swc_01_traits< _Ty, _Wx, _Rx >::_Cy_t _Swc_01_traits< _Ty, _Wx, _Rx >::_Cy

static

Initial value:

=
            (typename _Swc_01_traits<_Ty, _Wx, _Rx>::_Cy_t)
                _CSTD ldexp(1.0, int(-ptrdiff_t(_Wx)))

template<class _Ty, size_t _Wx, size_t _Rx>

const unsigned long _Swc_01_traits< _Ty, _Wx, _Rx >::_Mask

staticprivate

Initial value:

=
        ~((~0UL) << (_Wx % 32))

template<class _Ty, size_t _Wx, size_t _Rx>

const _Ty _Swc_01_traits< _Ty, _Wx, _Rx >::_Max = 1

static

template<class _Ty, size_t _Wx, size_t _Rx>

const _Swc_01_traits< _Ty, _Wx, _Rx >::_Mod_t _Swc_01_traits< _Ty, _Wx, _Rx >::_Mod = 1

static

template<class _Ty, size_t _Wx, size_t _Rx>

const int _Swc_01_traits< _Ty, _Wx, _Rx >::_Nwords = (_Wx + 31) / 32

static

template<class _Ty, size_t _Wx, size_t _Rx>

const _Ty _Swc_01_traits< _Ty, _Wx, _Rx >::_Scale1

staticprivate

Initial value:

=
        (_Ty)_CSTD ldexp(1.0, _Wx % 32)

---

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

• VS2013/inc/random