fglmVectorRep Class Reference

Public Member Functions
	fglmVectorRep ()
	fglmVectorRep (int n, number *e)
	fglmVectorRep (int n)
	~fglmVectorRep ()
fglmVectorRep *	clone () const
BOOLEAN	deleteObject ()
fglmVectorRep *	copyObject ()
int	refcount () const
BOOLEAN	isUnique () const
int	size () const
int	isZero () const
int	numNonZeroElems () const
void	setelem (int i, number n)
number	ejectelem (int i, number n)
number &	getelem (int i)
number	getconstelem (int i) const

Private Attributes
int	ref_count
int	N
number *	elems

Friends
class	fglmVector

Detailed Description

Definition at line 30 of file fglmvec.cc.

Constructor & Destructor Documentation

fglmVectorRep() [1/3]

fglmVectorRep::fglmVectorRep ( )

inline

Definition at line 37 of file fglmvec.cc.

                    :ref_count (1), N (0), elems (0)
  {
  }

fglmVectorRep() [2/3]

fglmVectorRep::fglmVectorRep ( int n, number * e )

inline

Definition at line 40 of file fglmvec.cc.

                                   :ref_count (1), N (n), elems (e)
  {
  }

fglmVectorRep() [3/3]

fglmVectorRep::fglmVectorRep ( int n )

inline

Definition at line 43 of file fglmvec.cc.

                       :ref_count (1), N (n)
  {
    fglmASSERT (N >= 0, "illegal Vector representation");
    if(N == 0)
      elems = 0;
    else
    {
      elems = (number *) omAlloc (N * sizeof (number));
      for(int i = N - 1; i >= 0; i--)
        elems[i] = nInit (0);
    }
  }

~fglmVectorRep()

fglmVectorRep::~fglmVectorRep ( )

inline

Definition at line 55 of file fglmvec.cc.

  {
    if(N > 0)
    {
      for(int i = N - 1; i >= 0; i--)
        nDelete (elems + i);
      omFreeSize ((ADDRESS) elems, N * sizeof (number));
    }
  }

Member Function Documentation

clone()

fglmVectorRep * fglmVectorRep::clone ( ) const

inline

Definition at line 65 of file fglmvec.cc.

  {
    if(N > 0)
    {
      number *elems_clone;
        elems_clone = (number *) omAlloc (N * sizeof (number));
      for(int i = N - 1; i >= 0; i--)
          elems_clone[i] = nCopy (elems[i]);
        return new fglmVectorRep (N, elems_clone);
    }
    else
        return new fglmVectorRep (N, 0);
  }

copyObject()

fglmVectorRep * fglmVectorRep::copyObject ( )

inline

Definition at line 82 of file fglmvec.cc.

  {
    ref_count++;
    return this;
  }

deleteObject()

BOOLEAN fglmVectorRep::deleteObject ( )

inline

Definition at line 78 of file fglmvec.cc.

  {
    return --ref_count == 0;
  }

ejectelem()

number fglmVectorRep::ejectelem ( int i, number n )

inline

Definition at line 127 of file fglmvec.cc.

  {
    fglmASSERT (isUnique (), "should only be called if unique!");
    number temp = elems[i - 1];
    elems[i - 1] = n;
    return temp;
  }

getconstelem()

number fglmVectorRep::getconstelem ( int i ) const

inline

Definition at line 139 of file fglmvec.cc.

  {
    fglmASSERT (0 < i && i <= N, "getconstelem: wrong index");
    return elems[i - 1];
  }

getelem()

number & fglmVectorRep::getelem ( int i )

inline

Definition at line 134 of file fglmvec.cc.

  {
    fglmASSERT (0 < i && i <= N, "getelem: wrong index");
    return elems[i - 1];
  }

isUnique()

BOOLEAN fglmVectorRep::isUnique ( ) const

inline

Definition at line 91 of file fglmvec.cc.

  {
    return ref_count == 1;
  }

isZero()

int fglmVectorRep::isZero ( ) const

inline

Definition at line 100 of file fglmvec.cc.

  {
    int k;
    for(k = N; k > 0; k--)
    {
      if(!nIsZero (getconstelem (k)))
          return 0;
    }
    return 1;
  }

numNonZeroElems()

int fglmVectorRep::numNonZeroElems ( ) const

inline

Definition at line 110 of file fglmvec.cc.

  {
    int num = 0;
    int k;
    for(k = N; k > 0; k--)
    {
      if(!nIsZero (getconstelem (k)))
          num++;
    }
    return num;
  }

refcount()

int fglmVectorRep::refcount ( ) const

inline

Definition at line 87 of file fglmvec.cc.

  {
    return ref_count;
  }

setelem()

void fglmVectorRep::setelem ( int i, number n )

inline

Definition at line 121 of file fglmvec.cc.

  {
    fglmASSERT (0 < i && i <= N, "setelem: wrong index");
    nDelete (elems + i - 1);
    elems[i - 1] = n;
  }

size()

int fglmVectorRep::size ( ) const

inline

Definition at line 96 of file fglmvec.cc.

  {
    return N;
  }

Friends And Related Symbol Documentation

fglmVector

friend class fglmVector

friend

Definition at line 144 of file fglmvec.cc.

Field Documentation

elems

number* fglmVectorRep::elems

private

Definition at line 35 of file fglmvec.cc.

N

int fglmVectorRep::N

private

Definition at line 34 of file fglmvec.cc.

ref_count

int fglmVectorRep::ref_count

private

Definition at line 33 of file fglmvec.cc.

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

• kernel/fglm/fglmvec.cc