Matrix Class Reference

Matrix class with some fundmental operations. More...

#include <matrix.h>

Collaboration diagram for Matrix:

[legend]

Public Member Functions
	Matrix (int dim)
	Perform basic initialization.
void	setElement (int i, int j, double value)
	Sets element i,j of matrix.
const double &	elem (int i, int j) const
	Accesses matrix and returns mtx[i][j] (value).
double	determinant (void) const
	Calculate and return the matrix' determinant.
Matrix	cofactor (int aI, int aJ) const
	Helper to determinant but may eventually be generally useful.
Protected Attributes
double **	mtx
	this mtx can be of any size
int	order
	dimension of matrix (when using square matrices)

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Detailed Description

Matrix class with some fundmental operations.

This is probably a bad thing to do, but given my luck with STL of late, I don't want to have to deal with anyone else's ill- or un-documented code. Matrices are here to get Delaunay flippable tests done.

Definition at line 5 of file matrix.h.

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Constructor & Destructor Documentation

Matrix::Matrix

(

int

dim

)

[inline]

Perform basic initialization.

Allocate arrays for a square matrix of size dim X dim, and initialize order to dim.

Definition at line 16 of file matrix.h.

References malloc(), mtx, and order.

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Member Function Documentation

void Matrix::setElement	(	int	i,
		int	j,
		double	value
	)			[inline]

Sets element i,j of matrix.

Definition at line 24 of file matrix.h.

References mtx, and order.

Referenced by element::calculateVolume(), and cofactor().

const double& Matrix::elem	(	int	i,
		int	j
	)			const [inline]

Accesses matrix and returns mtx[i][j] (value).

Definition at line 30 of file matrix.h.

References mtx, and order.

Referenced by cofactor(), and determinant().

double Matrix::determinant

(

void

)

const [inline]

Calculate and return the matrix' determinant.

Definition at line 36 of file matrix.h.

References cofactor(), determinant(), elem(), and order.

Referenced by element::calculateVolume(), and determinant().

Matrix Matrix::cofactor	(	int	aI,
		int	aJ
	)			const [inline]

Helper to determinant but may eventually be generally useful.

Returns a new matrix with dim one smaller than current, with row aI and column aJ removed.

Definition at line 49 of file matrix.h.

References elem(), order, and setElement().

Referenced by determinant().

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Field Documentation

double** Matrix::mtx [protected]

this mtx can be of any size

Definition at line 8 of file matrix.h.

Referenced by elem(), Matrix(), and setElement().

int Matrix::order [protected]

dimension of matrix (when using square matrices)

Definition at line 10 of file matrix.h.

Referenced by cofactor(), determinant(), elem(), Matrix(), and setElement().

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

• libs/ck-libs/pmaf/matrix.h