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RandomSparseStream Class Template Reference

#include <stream.h>

Inheritance diagram for RandomSparseStream:

List of all members.

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Detailed Description

template<class Field, class _Vector = typename LinBox::Vector<Field>::Sparse, class RandIter = typename Field::RandIter, class Trait = typename VectorTraits<_Vector>::VectorCategory>
class LinBox::RandomSparseStream< Field, _Vector, RandIter, Trait >

Random sparse vector stream Generates a sequence of random sparse vectors over a given field

Public Types
typedef _Vector	Vector
typedef RandomSparseStream< Field, Vector, RandIter, Trait >	Self_t
Public Methods
	RandomSparseStream (const Field &F, double p, size_t n, size_t m=0)
	RandomSparseStream (const Field &F, const RandIter &r, double p, size_t n, size_t m=0)
Vector &	get (Vector &v)
Self_t &	operator>> (Vector &v)
size_t	size () const
size_t	pos () const
size_t	dim () const
	operator bool () const
void	reset ()
void	setP (double p)

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Member Typedef Documentation

typedef RandomSparseStream<Field, Vector, RandIter, Trait > Self_t

Reimplemented from VectorStream.

typedef _Vector Vector

Reimplemented from VectorStream.

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Constructor & Destructor Documentation

RandomSparseStream (  const Field &    F, double    p, size_t    n, size_t    m = 0 )

Constructor Construct a new stream with the given field and vector size. Parameters: F  Field over which to create random vectors p  Proportion of nonzero entries n  Size of vectors m  Number of vectors to return (0 for unlimited)

RandomSparseStream (  const Field &    F, const RandIter &    r, double    p, size_t    n, size_t    m = 0 )

Constructor Construct a new stream with the given field and vector size. Parameters: F  Field over which to create random vectors n  Size of vectors p  Proportion of nonzero entries m  Number of vectors to return (0 for unlimited)

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Member Function Documentation

size_t dim (    )  [virtual]

Dimension of the space Implements VectorStream.

Vector& get (  Vector &    v )  [virtual]

Get next element Parameters: v  Vector into which to generate random vector Returns: reference to new random vector Implements VectorStream.

operator bool (    )  [virtual]

Check whether we have reached the end Implements VectorStream.

Self_t& operator>> (  Vector &    v )  [inline]

Extraction operator form Reimplemented from VectorStream.

size_t pos (    )  [virtual]

Number of vectors created so far Implements VectorStream.

void reset (    )  [virtual]

Reset the stream to start at the beginning Implements VectorStream.

void setP (  double    p )

Set the probability of a nonzero entry

size_t size (    )  [virtual]

Number of vectors to be created Implements VectorStream.

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