---

Permutation Class Template Reference
[linbox/blackbox]

#include <permutation.h>

Inheritance diagram for Permutation:

List of all members.

---

Detailed Description

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

size is n.

Parameters:

Storage

\Ref{LinBox} dense or sparse vector of field elements

Public Types
typedef _Field	Field
typedef Field::Element	Element
Public Methods
	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 \leftarrow Px#.
template<class OutVector, class InVector> OutVector &	applyTranspose (OutVector &y, const InVector &x) const
	y^T \leftarrow x^T P#.
size_t	rowdim (void) const
size_t	coldim (void) const
void	permute (size_t row1, size_t row2)
const Field &	field ()

---

Member Typedef Documentation

typedef Field::Element Element

typedef _Field Field

---

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]

---

Member Function Documentation

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

y \leftarrow Px#.

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

y^T \leftarrow x^T P#.

size_t coldim (  void    )  const [inline]

const Field& field (    )  [inline]

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

Add a transposition to the matrix

size_t rowdim (  void    )  const [inline]

---