Like Pattern, but easier to populate via insert()/erase() methods. More...

#include <PatternBuilder.h>

Public Types
typedef std::set< int >	Column
	Useful typedefs.

typedef std::vector< Column >	Columns

typedef Column::const_iterator	Iterator

Public Member Functions
	PatternBuilder ()
	Default constructor, makes 0x0 empty PatternBuilder.

	PatternBuilder (std::pair< int, int > IJ)
	Constructs empty PatternBuilder of specified size.

	PatternBuilder (int in_I, int in_J)

	PatternBuilder (const PatternBuilder &that)
	Copy constructor.

void	swap (PatternBuilder &that)
	Member swap.

	PatternBuilder (PatternBuilder &&that)
	Move constructor, default-construct and swap idiom.

PatternBuilder &	operator= (PatternBuilder that)
	Assignment operator, copy and swap idiom.

PatternBuilder &	operator= (const PatternRange &that)
	Assignment operator from a PatternRange.

	PatternBuilder (const PatternRange &that)
	Constructs from a PatternRange.

	PatternBuilder (InputStream &in)
	InputStream constructor.

void	write (OutputStream &out) const
	Writes to OutputStream.

void	insert (int i, int j)
	Inserts a single structural nonzero.

void	insert_row (int i, const intCRange &j_pattern)
	Inserts a row of nonzeros.

void	insert_column (const intCRange &i_pattern, int j)
	Inserts a column of nonzeros.

void	insert_tensor (const intCRange &i_pattern, const intCRange &j_pattern)
	Inserts a tensor product of nonzeros.

void	insert_tensor (const intCRange &ij_pattern)
	Inserts a symmetric tensor product of nonzeros.

void	insert (const PatternBuilder &that, int i_offset=0, int j_offset=0)
	Inserts all the nonzeros from a Pattern into *this.

void	insert (const PatternRange &that, int i_offset=0, int j_offset=0)

void	erase (int i, int j)
	Removes a structural nonzero. No-op if (i,j) doesn't exist in *this.

void	erase (const PatternBuilder &that, int i_offset=0, int j_offset=0)
	Erases all the nonzeros within a Pattern from *this.

void	erase (const PatternRange &that, int i_offset=0, int j_offset=0)

Iterator	begin (int j) const
	Returns a const range over the j'th column.

Iterator	end (int j) const

bool	test (int i, int j) const
	Tests for a structural nonzero.

std::vector< int >	pattern (int j) const
	Returns the (sorted vector) pattern of the j'th column.

const Column &	column (int j) const
	Returns the (set) pattern of the j'th column.

std::pair< int, int >	size () const
	Size inspector.

int	n_nonzeros (int j) const
	Returns nonzero count.

int	n_nonzeros () const

Pattern	make_Pattern () const
	Returns an equivalent Pattern A.

Static Public Member Functions
static PatternBuilder	identity (int IJ)
	Generates an identity PatternBuilder of specified size.

static PatternBuilder	random (std::pair< int, int > IJ, int N)
	Generates a random PatternBuilder with size IxJ and (approximately) N nonzeros.

static PatternBuilder	random (int I, int J, int N)

Detailed Description

Like Pattern, but easier to populate via insert()/erase() methods.

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

myramath/sparse/PatternBuilder.h
myramath/sparse/PatternBuilder.cpp

Public Types

Public Member Functions

Static Public Member Functions

Detailed Description