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

uint

typedef unsigned int ulonglong::uint

private

Definition at line 13 of file ulonglong.hh.

Constructor & Destructor Documentation

ulonglong() [1/5]

ulonglong::ulonglong ( )

inline

Default contructor.

Definition at line 23 of file ulonglong.hh.

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

ulonglong() [2/5]

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() [3/5]

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() [4/5]

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() [5/5]

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

operator=() [1/3]

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

inline

Assignment operator.

Definition at line 70 of file ulonglong.hh.

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

operator=() [2/3]

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

inline

Assignment operator.

Definition at line 80 of file ulonglong.hh.

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

operator=() [3/3]

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;
  }

operator double()

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);
  }

operator--() [1/2]

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;
  }

operator++() [1/2]

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;
  }

operator--() [2/2]

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; 
  }

operator++() [2/2]

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;
  }

operator-() [1/2]

ulonglong ulonglong::operator- ( const int  x )

inline

Definition at line 168 of file ulonglong.hh.

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

operator+() [1/2]

ulonglong ulonglong::operator+ ( const int  x )

inline

Definition at line 175 of file ulonglong.hh.

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

operator-() [2/2]

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);
  }

operator+() [2/2]

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);
  }

operator+=() [1/3]

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);
  }

operator-=() [1/3]

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);
  }

operator+=() [2/3]

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;
  }

operator-=() [2/3]

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;
  }

operator-=() [3/3]

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

inline

Definition at line 237 of file ulonglong.hh.

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

operator+=() [3/3]

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

inline

Definition at line 244 of file ulonglong.hh.

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

operator&=()

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

inline

Definition at line 251 of file ulonglong.hh.

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

operator|=()

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

inline

Definition at line 258 of file ulonglong.hh.

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

operator^=()

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

inline

Definition at line 265 of file ulonglong.hh.

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

operator==()

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

inline

Definition at line 272 of file ulonglong.hh.

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

operator!=()

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

inline

Definition at line 277 of file ulonglong.hh.

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

operator<()

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);
  }

operator<=()

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);
  }

operator>()

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);
  }

operator>=()

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);
  }

operator[]()

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;
  }

msw()

uint ulonglong::msw ( ) const

inline

most significant value

Definition at line 321 of file ulonglong.hh.

lsw()

uint ulonglong::lsw ( ) const

inline

least significant value

Definition at line 322 of file ulonglong.hh.

write()

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;
  }

read()

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

inline

Definition at line 332 of file ulonglong.hh.

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

distance()

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

u1

uint ulonglong::u1

Definition at line 16 of file ulonglong.hh.

u2

uint ulonglong::u2

Definition at line 17 of file ulonglong.hh.

---

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

• ulonglong.hh