The Matrix3f class is 3 X 3 matrix. More...

#include <matrix.h>

Inheritance diagram for cil::Matrix3f:

Public Member Functions
	Matrix3f ()
	Constructs a 3 X 3 matrix objects, initializing elements on the diagonal to 1 and all others to 0.

	Matrix3f (float e00, float e01, float e02, float e10, float e11, float e12, float e20, float e21, float e22)
	Constructs a 3 X 3 matrix objects, and sets the elements with the input fload parameters.

	Matrix3f (const Vector3f &c0, const Vector3f &c1, const Vector3f &c2)
	Constructs a 3 X 3 matrix object by setting the vector c0 to the first column, c1 to the second column and c2 to the third column.

	Matrix3f (const Matrix2f &other)
	Constructs a 3 X 3 matrix object, and sets its 2 X 2 submatrix with another 2 X 2 matrix, remaining the other elements as their initialized values.

	Matrix3f (const Matrix3f &other)
	Constructs a 3 X 3 matrix object by copying the elements of another 3 X 3 matrix.

	Matrix3f (const Matrix4f &other)
	Constructs a 3 X 3 matrix object by copying the elements of the 3 X 3 submatrix of another 4 X 4 matrix.

void	set (float e00, float e01, float e02, float e10, float e11, float e12, float e20, float e21, float e22)
	Sets the elements of this 3 X 3 matrix object.

float	determinant () const
	Returns the determinant of the Matrix3f object.

bool	invert ()
	Inverts this matrix. Returns a boolean value of true if success(non-singular). If the determinant is zero(singular matrix), sets the matrix to identity and returns false.

Public Member Functions inherited from cil::Matrix< Matrix3f >
	Matrix (int dim)
	Constructs a dim X dim Matrix object, initializing elements on the diagonal to 1 and all others to 0.

const float *	operator[] (int index) const
	Returns a constant pointer to the first element in the column of index of this matrix, providing a read-only access.

float *	operator[] (int index)
	Returns a pointer to the first element in the column of index of this matrix, providing a read-write access.

Matrix &	operator+= (const Matrix &other)
	Performs element-wise addition between the current Matrix and another matrix.

Matrix< Matrix3f > &	operator-= (const Matrix &other)
	Performs element-wise subtraction between the current Matrix and another matrix.

Matrix< Matrix3f > &	operator*= (const Matrix &other)
	Performs right matrix multiplication of the current matrix with another matrix.

Matrix3f	operator+ (const Matrix3f &other) const
	Returns a new Matrix object that is formed by element-wise addition between the current matrix and another matrix.

Matrix3f	operator- (const Matrix3f &other) const
	Returns a new Matrix object that is formed by element-wise subtraction between the current matrix and another matrix.

Matrix3f	operator* (const Matrix3f &other) const
	Returns a new Matrix object that is formed by matrix multiplication between the current Matrix and another matrix.

void	setIdentity ()
	Sets elements on the diagonal of this matrix to 1 and all others to 0.

void	transpose ()
	Transpose this matrix.

Public Member Functions inherited from cil::Tuple< float >
	Tuple (int size)
	Constructs a Tuple object with a specified number of elements, and initialize all elements to 0.

virtual	~Tuple ()

int	size () const
	Gets the number of elements of the Tuple.

float *	data ()
	Gets the data array of the Tuple.

const float *	data () const
	Gets the data array of the Tuple, and the data could not be modified upon which this function is called.

void	setData (const float *data)
	Sets the data array of the Variant.

Tuple< float > &	operator= (const Tuple &other)
	Copys the data of another Tuple to the one on which the operator is invoked.

bool	operator== (const Tuple &other) const
	Compares the Tuple with another one, and returns true if they are equal, otherwise returns false.

bool	operator!= (const Tuple &other) const
	Compares the Tuple with another one, and returns false if they are equal, otherwise returns true.

Public Member Functions inherited from cil::Variant
	Variant ()

virtual	~Variant ()

const std::string &	type () const

Additional Inherited Members
Protected Attributes inherited from cil::Matrix< Matrix3f >
int	m_dim
	The dimension of the Matrix.

Protected Attributes inherited from cil::Tuple< float >
float *	m_data
	The data array of the Tuple.

int	m_size
	The number of elements that the data array of the Tuple holds.

Protected Attributes inherited from cil::Variant
std::string	m_type

Detailed Description

The Matrix3f class is 3 X 3 matrix.

Constructor & Destructor Documentation

◆ Matrix3f() [1/6]

cil::Matrix3f::Matrix3f ( )

Constructs a 3 X 3 matrix objects, initializing elements on the diagonal to 1 and all others to 0.

See also: Matrix(int dim)

◆ Matrix3f() [2/6]

cil::Matrix3f::Matrix3f	(	float	e00,
		float	e01,
		float	e02,
		float	e10,
		float	e11,
		float	e12,
		float	e20,
		float	e21,
		float	e22 )

Constructs a 3 X 3 matrix objects, and sets the elements with the input fload parameters.

The first column of the matrix is {e00, e01, e02}, the second column is {e10, e11, e12}, and the third column is {e20, e21, e22}.

◆ Matrix3f() [3/6]

cil::Matrix3f::Matrix3f	(	const Vector3f &	c0,
		const Vector3f &	c1,
		const Vector3f &	c2 )

Constructs a 3 X 3 matrix object by setting the vector c0 to the first column, c1 to the second column and c2 to the third column.

◆ Matrix3f() [4/6]

cil::Matrix3f::Matrix3f ( const Matrix2f & other )

Constructs a 3 X 3 matrix object, and sets its 2 X 2 submatrix with another 2 X 2 matrix, remaining the other elements as their initialized values.

◆ Matrix3f() [5/6]

cil::Matrix3f::Matrix3f ( const Matrix3f & other )

Constructs a 3 X 3 matrix object by copying the elements of another 3 X 3 matrix.

◆ Matrix3f() [6/6]

cil::Matrix3f::Matrix3f ( const Matrix4f & other )

Constructs a 3 X 3 matrix object by copying the elements of the 3 X 3 submatrix of another 4 X 4 matrix.

Member Function Documentation

◆ determinant()

float cil::Matrix3f::determinant ( ) const

Returns the determinant of the Matrix3f object.

◆ invert()

bool cil::Matrix3f::invert ( )

Inverts this matrix. Returns a boolean value of true if success(non-singular). If the determinant is zero(singular matrix), sets the matrix to identity and returns false.

◆ set()

void cil::Matrix3f::set	(	float	e00,
		float	e01,
		float	e02,
		float	e10,
		float	e11,
		float	e12,
		float	e20,
		float	e21,
		float	e22 )

Sets the elements of this 3 X 3 matrix object.