QGpCoreTools::PermutationVector Class Reference

To perfom permutations in a matrix. More...

#include <PermutationVector.h>

Inheritance diagram for QGpCoreTools::PermutationVector:

List of all members.

Public Member Functions
PermutationVector	inverted ()
int	newIndex (int oldIndex) const
	PermutationVector (int n)
	PermutationVector (const PermutationVector &o)
void	setNewIndex (int oldIndex, int newIndex)
QString	toString () const

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Detailed Description

To perfom permutations in a matrix.

Matrix::sortedRows(), Matrix::sortedColumns()

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Constructor & Destructor Documentation

QGpCoreTools::PermutationVector::PermutationVector

(

int

n

)

[inline]

: QVector<int>(n) {}

QGpCoreTools::PermutationVector::PermutationVector

(

const PermutationVector &

o

)

[inline]

: QVector<int>(o) {}

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Member Function Documentation

PermutationVector QGpCoreTools::PermutationVector::inverted

(

)

Returns a permutation vector that can de-sort matrix sorted so far.

References newIndex(), and setNewIndex().

  {
    int n=count();
    PermutationVector tmp(n);
    for(int i=0; i<n; i++) {
      tmp.setNewIndex(newIndex(i), i);
    }
    return tmp;
  }

int QGpCoreTools::PermutationVector::newIndex

(

int

oldIndex

)

const [inline]

Referenced by inverted(), QGpCoreTools::MatrixData< T >::sortedColumns(), QGpCoreTools::MatrixData< T >::sortedRows(), and toString().

{return at(oldIndex);}

void QGpCoreTools::PermutationVector::setNewIndex	(	int	oldIndex,
		int	newIndex
	)		[inline]

Referenced by inverted().

{operator[](oldIndex)=newIndex;}

QString QGpCoreTools::PermutationVector::toString

(

)

const

References newIndex(), and str.

  {
    QString str;
    int n=count();
    for(int i=0; i<n; i++) {
      str+=QString("%1 --> %2\n").arg(i, 3, 10, QChar(' ')).arg(newIndex(i), 3, 10, QChar(' '));
    }
    return str;
  }

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

• QGpCoreTools/PermutationVector.h
• QGpCoreTools/PermutationVector.cpp