bigunsigned< N > Struct Template Reference

#include <scalar_bigunsigned.hpp>

List of all members.

Public Types

• typedef unsigned hi
• typedef unsigned hdwi_t

Public Member Functions

• bigunsigned ()
• bigunsigned (unsigned n)
• bigunsigned & operator= (unsigned n)
• bigunsigned & operator= (const bigunsigned &b)
• bool operator< (const bigunsigned< N > &bi)
• bool operator> (const bigunsigned< N > &bi)
• bool operator== (const bigunsigned< N > &bi)
• bigunsigned & operator<<= (unsigned n)
• bigunsigned & operator>>= (unsigned n)
• bigunsigned & operator|= (unsigned n)
• bigunsigned & operator|= (const bigunsigned &bu)
• bigunsigned< N-1 > & next ()
• const bigunsigned< N-1 > & next () const
• bigunsigned & operator+= (unsigned n)
• bigunsigned & operator+= (const bigunsigned &a)
• unsigned & operator[] (int i)
• unsigned operator[] (int i) const

Public Attributes

• hi data [N]

Static Public Attributes

• static bool s_overflow = false

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Detailed Description

template<unsigned N>
struct mmx::bigunsigned< N >

Definition at line 11 of file scalar_bigunsigned.hpp.

---

Member Typedef Documentation

typedef unsigned hdwi_t

Definition at line 14 of file scalar_bigunsigned.hpp.

typedef unsigned hi

Definition at line 13 of file scalar_bigunsigned.hpp.

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Constructor & Destructor Documentation

bigunsigned

(

)

[inline]

Definition at line 18 of file scalar_bigunsigned.hpp.

Referenced by bigunsigned< N >::operator=().

{};

bigunsigned

(

unsigned

n

)

[inline]

Definition at line 20 of file scalar_bigunsigned.hpp.

References bigunsigned< N >::data, and mmx::N().

  {
    data[0] = n;
    for (unsigned  i = 1; i < N; data[i] = 0, i ++ ) ;
  };

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Member Function Documentation

const bigunsigned<N-1>& next

(

)

const [inline]

Definition at line 124 of file scalar_bigunsigned.hpp.

References bigunsigned< N >::data, and mmx::N().

  { 
    return *((const bigunsigned<N-1>*)(this->data+1)); 
  };

bigunsigned<N-1>& next

(

)

[inline]

Definition at line 119 of file scalar_bigunsigned.hpp.

References bigunsigned< N >::data, and mmx::N().

Referenced by mmx::add().

  { 
    return *((bigunsigned<N-1>*)(this->data+1)); 
  };

bigunsigned& operator+=

(

const bigunsigned< N > &

a

)

[inline]

Definition at line 135 of file scalar_bigunsigned.hpp.

References mmx::add().

  { 
    add(*this,a); 
    return *this;
  };

bigunsigned& operator+=

(

unsigned

n

)

[inline]

Definition at line 129 of file scalar_bigunsigned.hpp.

References mmx::add().

  { 
    add(*this,n); 
    return *this; 
  };

bool operator<

(

const bigunsigned< N > &

bi

)

[inline]

Definition at line 36 of file scalar_bigunsigned.hpp.

References bigunsigned< N >::data, and mmx::N().

  {
    for ( int i = N-1; i >= 0; i ++ )
      if ( bi[i] > data[i] ) return true;
    return false;
  };

bigunsigned& operator<<=

(

unsigned

n

)

[inline]

Definition at line 57 of file scalar_bigunsigned.hpp.

References bigunsigned< N >::data, and mmx::N().

  {
    if ( n >= numerics::hdwi<hi>::nbit )
      {
        do
          {
            for ( unsigned i = N-1; i > 0; i -- )
              data[i]  = data[i-1];
            data[0] = 0;
            n -= numerics::hdwi<hi>::nbit;
          }
        while ( n >= numerics::hdwi<hi>::nbit );
      };
    if ( n )
      {
        data[N-1] <<= n;
        for ( int i = N-1; i > 0; i -- )
          {
            data[i] |= (data[i-1]>>(numerics::hdwi<hi>::nbit-n));
            data[i-1] <<= n;
          };
      };
    return *this;
  };

bigunsigned& operator=

(

const bigunsigned< N > &

b

)

[inline]

Definition at line 31 of file scalar_bigunsigned.hpp.

References bigunsigned< N >::bigunsigned().

  { 
    new (this) bigunsigned(b);  return *this;
  };

bigunsigned& operator=

(

unsigned

n

)

[inline]

Definition at line 26 of file scalar_bigunsigned.hpp.

References bigunsigned< N >::bigunsigned().

  { 
    new (this) bigunsigned(n); return *this;
  };

bool operator==

(

const bigunsigned< N > &

bi

)

[inline]

Definition at line 50 of file scalar_bigunsigned.hpp.

References bigunsigned< N >::data, and mmx::N().

  {
    for (unsigned i = 0; i < N; i ++ )
      if ( data[i] != bi[i] ) return false;
    return true;
  };

bool operator>

(

const bigunsigned< N > &

bi

)

[inline]

Definition at line 43 of file scalar_bigunsigned.hpp.

References bigunsigned< N >::data, and mmx::N().

  {
    for ( int i = N-1; i >= 0; i ++ )
      if ( bi[i] < data[i] ) return true;
    return false;
  };

bigunsigned& operator>>=

(

unsigned

n

)

[inline]

Definition at line 82 of file scalar_bigunsigned.hpp.

References bigunsigned< N >::data, and mmx::N().

  {
    if ( n >= numerics::hdwi<hi>::nbit )
      {
        do 
          {
            for ( unsigned i = 0; i < N-1; data[i] = data[i+1], i ++ ) ;
            data[N-1] = 0;
            n -= numerics::hdwi<hi>::nbit;
          }
        while ( n >= numerics::hdwi<hi>::nbit );
      };
    
    if ( n )
      {
        data[0] >>= n; 
        for ( int i = 0; i < int(N-1); i ++ )
          {
            data[i] |= (data[i+1]<<(numerics::hdwi<hi>::nbit-n));
            data[i+1] >>= n;
          };
      };
    return *this;
  };

unsigned operator[]

(

int

i

)

const [inline]

Definition at line 146 of file scalar_bigunsigned.hpp.

References bigunsigned< N >::data.

  { 
    return data[i]; 
  };

unsigned& operator[]

(

int

i

)

[inline]

Definition at line 141 of file scalar_bigunsigned.hpp.

References bigunsigned< N >::data.

  { 
    return data[i]; 
  };

bigunsigned& operator|=

(

const bigunsigned< N > &

bu

)

[inline]

Definition at line 113 of file scalar_bigunsigned.hpp.

References bigunsigned< N >::data, and mmx::N().

  {
    for ( unsigned i = 0; i < N; data[i] |= bu[i], i ++ ) ;
    return *this;
  };

bigunsigned& operator|=

(

unsigned

n

)

[inline]

Definition at line 107 of file scalar_bigunsigned.hpp.

References bigunsigned< N >::data.

  { 
    data[0] |= n; 
    return *this; 
  };

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Member Data Documentation

hi data[N]

Definition at line 17 of file scalar_bigunsigned.hpp.

Referenced by bigunsigned< N >::bigunsigned(), bigunsigned< N >::next(), bigunsigned< N >::operator<(), bigunsigned< N >::operator<<=(), bigunsigned< N >::operator==(), bigunsigned< N >::operator>(), bigunsigned< N >::operator>>=(), bigunsigned< N >::operator[](), and bigunsigned< N >::operator|=().

bool s_overflow = false [inline, static]

Definition at line 15 of file scalar_bigunsigned.hpp.

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

• include/realroot/scalar_bigunsigned.hpp