Permutation Class Template Reference
[linbox/blackbox]

#include <permutation.h>

Inheritance diagram for Permutation:

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Detailed Description

template<class _Field, class Storage = std::vector< long >>
class LinBox::Permutation< _Field, Storage >

size is n.

Parameters:

Storage

{LinBox} dense or sparse vector of field elements

Public Types
typedef _Field	Field
typedef Field::Element	Element
Public Member Functions
	Permutation (Storage &indices, const Field &F=Field())
	Permutation (int n, const Field &F=Field())
	Permutation (const Permutation &M)
	~Permutation (void)
template<class OutVector, class InVector> OutVector &	apply (OutVector &y, const InVector &x) const
	#y Px#.
template<class OutVector, class InVector> OutVector &	applyTranspose (OutVector &y, const InVector &x) const
	#y^T x^T P#.
size_t	rowdim (void) const
size_t	coldim (void) const
void	permute (size_t row1, size_t row2)
const Field &	field ()

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Member Typedef Documentation

typedef _Field Field

typedef Field::Element Element

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Constructor & Destructor Documentation

Permutation (  Storage &  indices, const Field &  F = Field() )  [inline]

Constructor from a vector of indices This constructor creates a permutation matrix based on a vector of indices Parameters: indices  Vector of indices representing the permutation

Permutation (  int  n, const Field &  F = Field() )  [inline]

Constructor from a dimension This constructor creates an n x n permutation matrix, initialized to be the identity Parameters: n  The dimension of hte matrix to create

Permutation (  const Permutation< _Field, Storage > &  M  )  [inline]

~Permutation (  void   )  [inline]

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Member Function Documentation

OutVector& apply (  OutVector &  y, const InVector &  x )  const [inline]

#y Px#.

OutVector& applyTranspose (  OutVector &  y, const InVector &  x )  const [inline]

#y^T x^T P#.

size_t rowdim (  void   )  const [inline]

size_t coldim (  void   )  const [inline]

void permute (  size_t  row1, size_t  row2 )  [inline]

Add a transposition to the matrix

const Field& field (   )  [inline]

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