CCompressedColumnFormat::const_row_iterator Class Reference

#include <CSparseMatrix.h>

Inheritance diagram for CCompressedColumnFormat::const_row_iterator:

Collaboration diagram for CCompressedColumnFormat::const_row_iterator:

Public Member Functions
	const_row_iterator (const CCompressedColumnFormat *pMatrix=NULL, const size_t &rowIndex=C_INVALID_INDEX)
	const_row_iterator (const const_row_iterator &src)
const size_t &	getColumnIndex () const
bool	operator!= (const const_row_iterator &rhs)
const C_FLOAT64 &	operator* () const
const_row_iterator &	operator++ ()
const C_FLOAT64 &	operator-> () const
const_row_iterator &	operator= (const const_row_iterator &rhs)
	~const_row_iterator ()

Private Attributes
size_t	mColumnIndex
const size_t *	mpColumnIndex
const C_FLOAT64 *	mpCurrent
const CCompressedColumnFormat *	mpMatrix
const size_t *	mpRowIndex
size_t	mRowIndex

Detailed Description

Definition at line 147 of file CSparseMatrix.h.

Constructor & Destructor Documentation

CCompressedColumnFormat::const_row_iterator::const_row_iterator	(	const CCompressedColumnFormat *	pMatrix = NULL,
		const size_t &	rowIndex = C_INVALID_INDEX
	)

Default constructor.

Definition at line 389 of file CSparseMatrix.cpp.

References C_INVALID_INDEX, CCompressedColumnFormat::getColumnStart(), CCompressedColumnFormat::getRowIndex(), mpColumnIndex, mpMatrix, mpRowIndex, mRowIndex, and CCompressedColumnFormat::numRows().

                            :
  mpMatrix(pMatrix),
  mRowIndex(rowIndex),
  mpRowIndex(NULL),
  mColumnIndex(0),
  mpColumnIndex(NULL),
  mpCurrent(NULL)
{
  if (mpMatrix &&
      mRowIndex != C_INVALID_INDEX &&
      mRowIndex < mpMatrix->numRows())
    {
      mpRowIndex = mpMatrix->getRowIndex() - 1;
      mpColumnIndex = mpMatrix->getColumnStart();

      ++(*this);
    }
}

CCompressedColumnFormat::const_row_iterator::const_row_iterator

(

const const_row_iterator &

src

)

Copy constructor

Parameters

const

iterator & src

Definition at line 409 of file CSparseMatrix.cpp.

                                                                                                                  :
  mpMatrix(src.mpMatrix),
  mRowIndex(src.mRowIndex),
  mpRowIndex(src.mpRowIndex),
  mColumnIndex(src.mColumnIndex),
  mpColumnIndex(src.mpColumnIndex),
  mpCurrent(src.mpCurrent)
{}

CCompressedColumnFormat::const_row_iterator::~const_row_iterator

(

)

Destructor

Definition at line 418 of file CSparseMatrix.cpp.

{}

Member Function Documentation

const size_t & CCompressedColumnFormat::const_row_iterator::getColumnIndex

(

)

const

Definition at line 465 of file CSparseMatrix.cpp.

{return mColumnIndex;}

bool CCompressedColumnFormat::const_row_iterator::operator!=

(

const const_row_iterator &

rhs

)

Comparison operator !=

Parameters

const

const_row_iterator & rhs

Returns

bool not-equal

Definition at line 427 of file CSparseMatrix.cpp.

References mpCurrent.

{return mpCurrent != rhs.mpCurrent;}

const C_FLOAT64 & CCompressedColumnFormat::const_row_iterator::operator*

(

)

const

Dereference operator * returns the node the iterator points to.

Returns

C_FLOAT64 &

Definition at line 421 of file CSparseMatrix.cpp.

{return *mpCurrent;}

CCompressedColumnFormat::const_row_iterator & CCompressedColumnFormat::const_row_iterator::operator++

(

)

Prefix increment operator ++

Returns

iterator &

Definition at line 442 of file CSparseMatrix.cpp.

References CCompressedColumnFormat::mpRowIndex.

{
  const size_t * pRowIndexEnd = mpMatrix->getRowIndex() + mpMatrix->numNonZeros();

  mpRowIndex++; // We need to make at least one step forward.

  while (mpRowIndex != pRowIndexEnd && *mpRowIndex != mRowIndex) mpRowIndex++;

  if (mpRowIndex != pRowIndexEnd)
    {
      size_t index = mpRowIndex - mpMatrix->getRowIndex();
      mpCurrent = mpMatrix->getValues() + index;

      while (*mpColumnIndex <= index) mpColumnIndex++;

      mColumnIndex = mpColumnIndex - mpMatrix->getColumnStart() - 1;
    }
  else
    mpCurrent = NULL;

  return *this;
}

const C_FLOAT64 & CCompressedColumnFormat::const_row_iterator::operator->

(

)

const

Dereference operator * returns the node the iterator points to.

Returns

C_FLOAT64 &

Definition at line 424 of file CSparseMatrix.cpp.

{return *mpCurrent;}

CCompressedColumnFormat::const_row_iterator & CCompressedColumnFormat::const_row_iterator::operator=

(

const const_row_iterator &

rhs

)

Assignement operator from a node to an iterator

Parameters

const

const_row_iterator & rhs

Returns

iterator &

Definition at line 430 of file CSparseMatrix.cpp.

References mColumnIndex, mpColumnIndex, mpCurrent, mpMatrix, CCompressedColumnFormat::mpRowIndex, mpRowIndex, and mRowIndex.

{
  mpMatrix = rhs.mpMatrix;
  mRowIndex = rhs.mRowIndex;
  mpRowIndex = rhs.mpRowIndex;
  mColumnIndex = rhs.mColumnIndex;
  mpColumnIndex = rhs.mpColumnIndex;
  mpCurrent = rhs.mpCurrent;

  return *this;
}

Member Data Documentation

size_t CCompressedColumnFormat::const_row_iterator::mColumnIndex

private

Definition at line 212 of file CSparseMatrix.h.

Referenced by operator=().

const size_t* CCompressedColumnFormat::const_row_iterator::mpColumnIndex

private

Definition at line 214 of file CSparseMatrix.h.

Referenced by const_row_iterator(), and operator=().

const C_FLOAT64* CCompressedColumnFormat::const_row_iterator::mpCurrent

private

Definition at line 216 of file CSparseMatrix.h.

Referenced by operator!=(), and operator=().

const CCompressedColumnFormat* CCompressedColumnFormat::const_row_iterator::mpMatrix

private

Definition at line 206 of file CSparseMatrix.h.

Referenced by const_row_iterator(), and operator=().

const size_t* CCompressedColumnFormat::const_row_iterator::mpRowIndex

private

Definition at line 210 of file CSparseMatrix.h.

Referenced by const_row_iterator(), and operator=().

size_t CCompressedColumnFormat::const_row_iterator::mRowIndex

private

Definition at line 208 of file CSparseMatrix.h.

Referenced by const_row_iterator(), and operator=().

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

• CSparseMatrix.h
• CSparseMatrix.cpp