myra::LowerMatrix< Number > Class Template Reference

Stores a lower triangular matrix in rectangular packed format. More...

#include <LowerMatrix.h>

Public Member Functions
	LowerMatrix ()
	Default constructor, makes a size 0x0 empty LowerMatrix.
	LowerMatrix (int N)
	Constructs a LowerMatrix of size NxN, filled with Number(0)
	LowerMatrix (const Expression< 2, Number > &e)
	Constructs a LowerMatrix from an arity-2 Expression of Number. Only the lower triangle will be probed.
	LowerMatrix (const LowerMatrix &that)
	Copy constructor.
void	swap (LowerMatrix< Number > &that)
	Member swap.
	LowerMatrix (LowerMatrix &&that)
	Move constructor, default construct and swap idiom.
LowerMatrix &	operator= (LowerMatrix that)
	Copy-assignment operator, copy construct and swap idiom.
	LowerMatrix (const CLowerMatrixRange< Number > &that)
	Constructs from a LowerMatrixRange (same size, values copied)
	LowerMatrix (const CMatrixRange< Number > &that)
	Constructs from the lower triangle of a MatrixRange (must be square).
	LowerMatrix (InputStream &in)
	InputStream constructor, complements write(OutputStream) method.
void	write (OutputStream &out) const
	Writes to OutputStream, complements InputStream constructor.
const LowerMatrix< Number > &	add_const () const
	Returns const reference to *this.
	~LowerMatrix ()
	Releases internal resources.
int	size () const
	Size inspector.
uint64_t	n_words () const
	Nonzero count.
std::pair< int, int >	blocking () const
	Returns [N1,N2], the partition sizes of [A11 0; A21 A22'].
template<class Functor >
void	transform (const Functor &f)
	Overwrites every A(i,j) in this LowerMatrix with f(A(i,j)).
LowerMatrix &	operator= (const CMatrixRange< Number > &that)
	Assignment operator from the lower triangle of a MatrixRange (must be square).
void	operator*= (Number alpha)
	Scales this *= alpha.
void	operator/= (Number alpha)
	Scales this /= alpha.
LowerMatrix< Number >	operator- ()
	Unary minus (sign negation).
CLowerMatrixRange< Number >	range () const
	Explicit conversion, returns a LowerMatrixRange over all of *this.
LowerMatrixRange< Number >	range ()
	Explicit conversion, returns a LowerMatrixRange over all of *this.
	operator CLowerMatrixRange< Number > () const
	Implicit conversion into a LowerMatrixRange.
	operator LowerMatrixRange< Number > ()
	Implicit conversion into a LowerMatrixRange.
CMatrixRange< Number >	rectangle () const
	Returns a MatrixRange over all contents of *this, viewed as a rectangle.
MatrixRange< Number >	rectangle ()
	Returns a MatrixRange over all contents of *this, viewed as a rectangle.
const Number &	operator() (int i, int j) const
	Random accessor/mutator.
Number &	operator() (int i, int j)
	Random accessor/mutator.
const Number &	at (int i, int j) const
	Bounds checked random accessor/mutator.
Number &	at (int i, int j)
	Bounds checked random accessor/mutator.
Matrix< Number >	make_Matrix (char op='N') const
	Accumulates *this onto the lower triangle of a Matrix<Number>
void	make_Matrix (const MatrixRange< Number > &A, char op='N') const
	Accumulates *this onto the lower triangle of a Matrix<Number>
CMatrixRange< Number >	range11 () const
	Returns MatrixRange's over various subblocks, viewed as rectangles (const)
CMatrixRange< Number >	range21 () const
	Returns MatrixRange's over various subblocks, viewed as rectangles (const)
CMatrixRange< Number >	range22t () const
	Returns MatrixRange's over various subblocks, viewed as rectangles (const)
MatrixRange< Number >	range11 ()
	Returns MatrixRange's over various subblocks, viewed as rectangles (mutable)
MatrixRange< Number >	range21 ()
	Returns MatrixRange's over various subblocks, viewed as rectangles (mutable)
MatrixRange< Number >	range22t ()
	Returns MatrixRange's over various subblocks, viewed as rectangles (mutable)
LowerMatrix &	operator= (const CLowerMatrixRange< Number > &that)
	Assigns this = that.
LowerMatrix &	operator= (const Expression< 2, Number > &that)
	Assigns this = that.
void	assign (const CLowerMatrixRange< Number > &that)
	Like operator =, but does not reallocate/resize. Requires matching sizes.
void	assign (const Expression< 2, Number > &that)
	Like operator =, but does not reallocate/resize. Requires matching sizes.
void	assign (const CMatrixRange< Number > &that)
	Like operator =, but does not reallocate/resize. Requires matching sizes.
void	operator+= (const CLowerMatrixRange< Number > &that)
	Adds this += that.
void	operator+= (const Expression< 2, Number > &that)
	Adds this += that.
void	operator-= (const CLowerMatrixRange< Number > &that)
	Subtracts this -= that.
void	operator-= (const Expression< 2, Number > &that)
	Subtracts this -= that.

Static Public Member Functions
static LowerMatrix< Number >	identity (int N)
	Generates an identity LowerMatrix of specified size.
static LowerMatrix< Number >	random (int N)
	Generates a random LowerMatrix of specified size.
static LowerMatrix< Number >	zeros (int N)
	Generates a zeros LowerMatrix of specified size.
static LowerMatrix< Number >	ones (int N)
	Generates a ones LowerMatrix of specified size.
static LowerMatrix< Number >	fill (int N, Number c)
	Generates a LowerMatrix of specified size filled with constant c.
static LowerMatrix< Number >	fill_cmajor (std::initializer_list< Number > list)
	Generates a LowerMatrix filled from a std::initializer_list of size N*(N+1)/2.
static LowerMatrix< Number >	fill_rmajor (std::initializer_list< Number > list)
static LowerMatrix< Number >	evaluate (const Expression< 2, Number > &e)
	Generates LowerMatrix by evaluating an arity-2 Expression of Number.

Detailed Description

template<class Number>
class myra::LowerMatrix< Number >

Stores a lower triangular matrix in rectangular packed format.

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

• myramath/dense/conjugate.h
• myramath/dense/LowerMatrix.h
• myramath/dense/LowerMatrix.cpp