ulonglong Class Reference

#include <ulonglong.hh>

Public Member Functions
	ulonglong ()
	Default contructor. More...
	ulonglong (const uint u1_, const uint u2_)
	Constructor. More...
	ulonglong (const int u2_)
	Constructor. More...
	ulonglong (const uint u2_)
	Constructor. More...
	ulonglong (const double d)
	Constructor. More...
ulonglong &	operator= (const int i)
	Assignment operator. More...
ulonglong &	operator= (const uint i)
	Assignment operator. More...
ulonglong &	operator= (const double d)
	Assignment operator. More...
	operator double () const
	cast operator More...
ulonglong &	operator-- ()
	prefix decrement More...
ulonglong &	operator++ ()
	prefix increment More...
ulonglong	operator-- (int)
	postfix decrement More...
ulonglong	operator++ (int)
	postfix increment More...
ulonglong	operator- (const int x)
ulonglong	operator+ (const int x)
ulonglong	operator- (const ulonglong &b)
ulonglong	operator+ (const ulonglong &b)
ulonglong &	operator+= (const int x)
ulonglong &	operator-= (const int x)
ulonglong &	operator+= (const uint x)
ulonglong &	operator-= (const uint x)
ulonglong &	operator-= (const ulonglong &x)
ulonglong &	operator+= (const ulonglong &x)
ulonglong &	operator&= (const ulonglong &x)
ulonglong &	operator|= (const ulonglong &x)
ulonglong &	operator^= (const ulonglong &x)
bool	operator== (const ulonglong &b) const
bool	operator!= (const ulonglong &b) const
bool	operator< (const ulonglong &b) const
bool	operator<= (const ulonglong &b) const
bool	operator> (const ulonglong &b) const
bool	operator>= (const ulonglong &b) const
uint	operator[] (const int i)
uint	msw () const
	most significant value More...
uint	lsw () const
	least significant value More...
std::ostream &	write (std::ostream &out) const
std::istream &	read (std::istream &in)

Static Public Member Functions
static ulonglong	distance (const ulonglong &a, const ulonglong &b)
	distance between 2 values More...

Public Attributes
uint	u1
uint	u2

Private Types
typedef unsigned int	uint

Detailed Description

Definition at line 11 of file ulonglong.hh.

Member Typedef Documentation

typedef unsigned int ulonglong::uint

private

Definition at line 13 of file ulonglong.hh.

Constructor & Destructor Documentation

ulonglong::ulonglong ( )

inline

Default contructor.

Definition at line 23 of file ulonglong.hh.

              :
    u1(0),
    u2(0)
  {}

ulonglong::ulonglong ( const uint  u1_, const uint  u2_  )

inline

Constructor.

Parameters

u1_	most significant value
u2_	least significant value

Definition at line 33 of file ulonglong.hh.

                                           :
    u1(u1_),
    u2(u2_)
  {}

ulonglong::ulonglong ( const int  u2_ )

inline

Constructor.

Parameters

u2_	least significant value

Definition at line 42 of file ulonglong.hh.

                           :
    u1(0),
    u2(u2_)
  {}

ulonglong::ulonglong ( const uint  u2_ )

inline

Constructor.

Parameters

u2_	least significant value

Definition at line 51 of file ulonglong.hh.

                            :
    u1(0),
    u2(u2_)
  {}

ulonglong::ulonglong ( const double  d )

inline

Constructor.

Parameters

d

value

Definition at line 60 of file ulonglong.hh.

                            :
    u1(0),
    u2(0)
  {
    *this = d;
  }

Member Function Documentation

ulonglong& ulonglong::operator= ( const int  i )

inline

Assignment operator.

Definition at line 70 of file ulonglong.hh.

  { 
    u1 = 0;
    u2 = (uint) i;
    return *this;
  }

ulonglong& ulonglong::operator= ( const uint  i )

inline

Assignment operator.

Definition at line 80 of file ulonglong.hh.

  { 
    u1 = 0;
    u2 = i;
    return *this;
  }

ulonglong& ulonglong::operator= ( const double  d )

inline

Assignment operator.

Definition at line 90 of file ulonglong.hh.

  { 
    if (d < (double) std::numeric_limits<uint>::max()) {
      u1 = 0;
      u2 = (uint) d;
    } else {
      u1 = (uint) (d / ((double) std::numeric_limits<uint>::max()));
      u2 = (uint) (d - ((double) u1) * (double) std::numeric_limits<uint>::max());
    }
    return *this;
  }

ulonglong::operator double ( ) const

inline

cast operator

Definition at line 105 of file ulonglong.hh.

  { 
    return ((double) u1) * ((double) std::numeric_limits<uint>::max()) + ((double) u2);
  }

ulonglong& ulonglong::operator-- ( )

inline

prefix decrement

Definition at line 113 of file ulonglong.hh.

  { 
    if (u2 > 0)
      --u2;
    else {
      --u1;
      u2 = std::numeric_limits<uint>::max();
    }
    return *this;
  }

ulonglong& ulonglong::operator++ ( )

inline

prefix increment

Definition at line 127 of file ulonglong.hh.

  { 
    if (u2 < std::numeric_limits<uint>::max())
      ++u2;
    else {
      ++u1;
      u2 = 0;
    }
    return *this;
  }

ulonglong ulonglong::operator-- ( int  )

inline

postfix decrement

Definition at line 141 of file ulonglong.hh.

  { 
    ulonglong a(*this);
    if (u2 > 0)
      u2--;
    else {
      u1--;
      u2 = std::numeric_limits<uint>::max();
    }
    return a; 
  }

ulonglong ulonglong::operator++ ( int  )

inline

postfix increment

Definition at line 156 of file ulonglong.hh.

  { 
    ulonglong a(*this);
    if (u2 < std::numeric_limits<uint>::max())
      u2++;
    else {
      u1++;
      u2 = 0;
    }
    return a;
  }

ulonglong ulonglong::operator- ( const int  x )

inline

Definition at line 168 of file ulonglong.hh.

  { 
    ulonglong b(*this);
    b -= x;
    return b;
  }

ulonglong ulonglong::operator+ ( const int  x )

inline

Definition at line 175 of file ulonglong.hh.

  { 
    ulonglong b(*this);
    b += x;
    return b;
  }

ulonglong ulonglong::operator- ( const ulonglong &  b )

inline

Definition at line 182 of file ulonglong.hh.

  { 
    ulonglong a(*this);
    a.u1    -= b.u1;
    return (a -= b.u2);
  }

ulonglong ulonglong::operator+ ( const ulonglong &  b )

inline

Definition at line 189 of file ulonglong.hh.

  { 
    ulonglong a(*this);
    a.u1 += b.u1;
    return (a += b.u2);
  }

ulonglong& ulonglong::operator+= ( const int  x )

inline

Definition at line 196 of file ulonglong.hh.

  { 
    if (x >= 0)
      return (*this += (uint)  x);
    else
      return (*this -= (uint) -x);
  }

ulonglong& ulonglong::operator-= ( const int  x )

inline

Definition at line 204 of file ulonglong.hh.

  { 
    if (x >= 0)
      return (*this -= (uint)  x);
    else
      return (*this += (uint) -x);
  }

ulonglong& ulonglong::operator+= ( const uint  x )

inline

Definition at line 212 of file ulonglong.hh.

  { 
    uint l = std::numeric_limits<uint>::max() - u2;

    if (l >= x)
      u2 += x;
    else {
      u1++;
      u2  = x - l - 1;
    }

    return *this;
  }

ulonglong& ulonglong::operator-= ( const uint  x )

inline

Definition at line 226 of file ulonglong.hh.

  { 
    if (u2 >= x)
      u2 -= x;
    else {
      u1--;
      u2 = (std::numeric_limits<uint>::max() - x) + u2 + 1;
    }
    return *this;
  }

ulonglong& ulonglong::operator-= ( const ulonglong &  x )

inline

Definition at line 237 of file ulonglong.hh.

  { 
    u1    -= x.u1;
    *this -= x.u2;
    return *this;
  }

ulonglong& ulonglong::operator+= ( const ulonglong &  x )

inline

Definition at line 244 of file ulonglong.hh.

  { 
    *this += x.u2;
    u1    += x.u1;
    return *this;
  }

ulonglong& ulonglong::operator&= ( const ulonglong &  x )

inline

Definition at line 251 of file ulonglong.hh.

  { 
    u1 &= x.u1;
    u2 &= x.u2;
    return *this;
  }

ulonglong& ulonglong::operator|= ( const ulonglong &  x )

inline

Definition at line 258 of file ulonglong.hh.

  { 
    u1 |= x.u1;
    u2 |= x.u2;
    return *this;
  }

ulonglong& ulonglong::operator^= ( const ulonglong &  x )

inline

Definition at line 265 of file ulonglong.hh.

  { 
    u1 ^= x.u1;
    u2 ^= x.u2;
    return *this;
  }

bool ulonglong::operator== ( const ulonglong &  b ) const

inline

Definition at line 272 of file ulonglong.hh.

  { 
    return (u1 == b.u1 && u2 == b.u2); 
  }

bool ulonglong::operator!= ( const ulonglong &  b ) const

inline

Definition at line 277 of file ulonglong.hh.

  { 
    return (u1 != b.u1 || u2 != b.u2); 
  }

bool ulonglong::operator< ( const ulonglong &  b ) const

inline

Definition at line 282 of file ulonglong.hh.

  { 
    if (u1 == b.u1) 
      return (u2 < b.u2);
    else
      return (u1 < b.u1);
  }

bool ulonglong::operator<= ( const ulonglong &  b ) const

inline

Definition at line 290 of file ulonglong.hh.

  { 
    if (u1 == b.u1) 
      return (u2 <= b.u2);
    else
      return (u1 <= b.u1);
  }

bool ulonglong::operator> ( const ulonglong &  b ) const

inline

Definition at line 298 of file ulonglong.hh.

  { 
    if (u1 == b.u1) 
      return (u2 > b.u2);
    else
      return (u1 > b.u1);
  }

bool ulonglong::operator>= ( const ulonglong &  b ) const

inline

Definition at line 306 of file ulonglong.hh.

                                            { 
    if (u1 == b.u1) 
      return (u2 >= b.u2);
    else
      return (u1 >= b.u1);
  }

uint ulonglong::operator[] ( const int  i )

inline

Definition at line 313 of file ulonglong.hh.

                               {
    assert(i == 0 || i == 1);
    if (i == 0)
      return u1;
    else
      return u2;
  }

uint ulonglong::msw ( ) const

inline

most significant value

Definition at line 321 of file ulonglong.hh.

uint ulonglong::lsw ( ) const

inline

least significant value

Definition at line 322 of file ulonglong.hh.

std::ostream& ulonglong::write ( std::ostream &  out ) const

inline

Definition at line 324 of file ulonglong.hh.

  {
    std::ios::fmtflags oldFlags = out.flags();
    out << std::hex << std::setfill('0') << std::setw(8) << u1 << std::setw(8) << u2;
    out.flags(oldFlags);
    return out;
  }

std::istream& ulonglong::read ( std::istream &  in )

inline

Definition at line 332 of file ulonglong.hh.

  {
    in >> u1 >> u2;
    return in;
  }

static ulonglong ulonglong::distance ( const ulonglong &  a, const ulonglong &  b  )

inlinestatic

distance between 2 values

Parameters

a	first value
b	second value

Returns

distance

Definition at line 344 of file ulonglong.hh.

  {
    ulonglong value;

    value.u1 = std::max(a.u1,b.u1) - std::min(a.u1,b.u1);
    value.u2 = std::max(a.u2,b.u2) - std::min(a.u2,b.u2);

    if ((a.u1 < b.u1 && a.u2 > b.u2) ||
        (a.u1 > b.u1 && a.u2 < b.u2)) {
      --value.u1;
      value.u2 = std::numeric_limits<uint>::max() - value.u2 + 1;
    }

    return value;
  }

Member Data Documentation

uint ulonglong::u1

Definition at line 16 of file ulonglong.hh.

uint ulonglong::u2

Definition at line 17 of file ulonglong.hh.

---

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

• ulonglong.hh