Atlfast::Matrix Class Reference

#include <Matrix.h>

List of all members.

Public Member Functions
	Matrix (size_t x, size_t y)
	Matrix (size_t x, size_t y, double init)
	Matrix (const Matrix &)
Matrix &	operator= (const Matrix &)
	~Matrix ()
size_t	size () const
size_t	dim1 () const
size_t	dim2 () const
Slice_iter< double >	row (size_t i)
Cslice_iter< double >	row (size_t i) const
Slice_iter< double >	column (size_t i)
Cslice_iter< double >	column (size_t i) const
double &	operator() (size_t x, size_t y)
double	operator() (size_t x, size_t y) const
Slice_iter< double >	operator() (size_t i)
Cslice_iter< double >	operator() (size_t i) const
Slice_iter< double >	operator[] (size_t i)
Cslice_iter< double >	operator[] (size_t i) const
Matrix &	operator *= (double)
valarray< double > &	array ()
Matrix	sub (size_t minRow, size_t maxRow, size_t minCol, size_t maxCol) const
void	sub (size_t minRow, size_t minCol, Matrix &dest) const
Private Attributes
valarray< double > *	m_v
size_t	m_d1
size_t	m_d2

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Detailed Description

Definition at line 23 of file Matrix.h.

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Constructor & Destructor Documentation

Atlfast::Matrix::Matrix	(	size_t	x,
		size_t	y
	)

Definition at line 7 of file Matrix.cxx.

                                  {
    m_d1=x;
    m_d2=y;
    m_v=new valarray<double>(x*y);
  }

Atlfast::Matrix::Matrix	(	size_t	x,
		size_t	y,
		double	init
	)

Definition at line 13 of file Matrix.cxx.

                                               {
    m_d1=x;
    m_d2=y;
    m_v=new valarray<double>(x*y);
    for(size_t i=0; i<m_d1*m_d2; ++i)  m_v[i]=init;
  }

Atlfast::Matrix::Matrix

(

const Matrix &

)

Definition at line 6 of file Matrix.cxx.

: m_v(m.m_v), m_d1(m.m_d1), m_d2(m.m_d2){}

Atlfast::Matrix::~Matrix

(

)

Definition at line 5 of file Matrix.cxx.

{}

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Member Function Documentation

Matrix& Atlfast::Matrix::operator=

(

const Matrix &

)

size_t Atlfast::Matrix::size

(

)

const [inline]

Definition at line 34 of file Matrix.h.

{return m_d1*m_d2;}

size_t Atlfast::Matrix::dim1

(

)

const [inline]

Definition at line 35 of file Matrix.h.

{return m_d1;}

size_t Atlfast::Matrix::dim2

(

)

const [inline]

Definition at line 36 of file Matrix.h.

{return m_d2;}

Slice_iter< double > Atlfast::Matrix::row

(

size_t

i

)

[inline]

Definition at line 61 of file Matrix.h.

                                               {
    return Slice_iter<double>(m_v, slice(i,m_d1,m_d2));
  }

Cslice_iter< double > Atlfast::Matrix::row

(

size_t

i

)

const [inline]

Definition at line 65 of file Matrix.h.

                                                       {
    return Cslice_iter<double>(m_v, slice(i,m_d1,m_d2));
  }

Slice_iter< double > Atlfast::Matrix::column

(

size_t

i

)

[inline]

Definition at line 69 of file Matrix.h.

                                                  {
    return Slice_iter<double>(m_v, slice(i*m_d2,m_d2,1));
  }

Cslice_iter< double > Atlfast::Matrix::column

(

size_t

i

)

const [inline]

Definition at line 73 of file Matrix.h.

                                                          {
    return Cslice_iter<double>(m_v, slice(i*m_d2,m_d2,1));
  }

double & Atlfast::Matrix::operator()	(	size_t	x,
		size_t	y
	)

Definition at line 20 of file Matrix.cxx.

                                              {
    return column(x)[y];
  }

double Atlfast::Matrix::operator()	(	size_t	x,
		size_t	y
	)			const

Slice_iter<double> Atlfast::Matrix::operator()

(

size_t

i

)

[inline]

Definition at line 47 of file Matrix.h.

{return column(i);}

Cslice_iter<double> Atlfast::Matrix::operator()

(

size_t

i

)

const [inline]

Definition at line 48 of file Matrix.h.

{return column(i);}

Slice_iter<double> Atlfast::Matrix::operator[]

(

size_t

i

)

[inline]

Definition at line 50 of file Matrix.h.

{return column(i);}

Cslice_iter<double> Atlfast::Matrix::operator[]

(

size_t

i

)

const [inline]

Definition at line 51 of file Matrix.h.

{return column(i);}

Matrix & Atlfast::Matrix::operator *=

(

double

)

Definition at line 37 of file Matrix.cxx.

                                    {
    (*m_v) *= d;
    return *this;
  }

valarray<double>& Atlfast::Matrix::array

(

)

[inline]

Definition at line 55 of file Matrix.h.

{return *m_v;}

Matrix Atlfast::Matrix::sub	(	size_t	minRow,
		size_t	maxRow,
		size_t	minCol,
		size_t	maxCol
	)			const

Definition at line 41 of file Matrix.cxx.

                                                        {
    size_t endRow=maxRow+1;
    size_t endCol=maxCol+1;

    assert(endRow<=m_d1);
    assert(endCol<=m_d2);
    assert(endRow>minRow);
    assert(endCol>minCol);

    size_t nRow=endRow-minRow;
    
    size_t nCol=endCol-minCol;

    Matrix m(nRow, nCol);
    size_t ii=0;
    size_t jj;
    for(size_t i = minRow; i<endRow; ++i){
      jj=0;
      for(size_t j = minCol; j<endCol; ++j) m[ii][jj++]=(*this)[i][j];
      ++ii;
    }
    assert(ii == endRow);
    assert(jj == endCol);
    return m;
  }

void Atlfast::Matrix::sub	(	size_t	minRow,
		size_t	minCol,
		Matrix &	dest
	)			const

Definition at line 67 of file Matrix.cxx.

                                                               {
    size_t endRow=minRow+m.m_d1;
    size_t endCol=minCol+m.m_d2;

    assert(endRow<=m_d1);
    assert(endCol<=m_d2);
    assert(endRow>minRow);
    assert(endCol>minCol);

    size_t ii=0;
    size_t jj;
    for(size_t i = minRow; i<endRow; ++i){
      jj=0;
      for(size_t j = minCol; j<endCol; ++j) m[ii][jj++]=(*this)[i][j];
      ++ii;
    }
    assert(ii == endRow);
    assert(jj == endCol);
    return;
  }

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Member Data Documentation

valarray<double>* Atlfast::Matrix::m_v [private]

Definition at line 25 of file Matrix.h.

size_t Atlfast::Matrix::m_d1 [private]

Definition at line 26 of file Matrix.h.

size_t Atlfast::Matrix::m_d2 [private]

Definition at line 26 of file Matrix.h.

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

• /afs/cern.ch/user/s/sdean/project_builds/AtlasOffline-rel_1/Simulation/Atlfast/AtlfastUtils/AtlfastUtils/Matrix.h
• /afs/cern.ch/user/s/sdean/project_builds/AtlasOffline-rel_1/Simulation/Atlfast/AtlfastUtils/src/Matrix.cxx

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