TMatrix2x2 Class Template Reference
[Math2x2]

Template class for 2x2 matrix. More...

#include <gmlmatrix2.h>

List of all members.

Public Member Functions
T	Det ()
TMatrix2x2< T >	MultVectStr (TVector2< T > &v1, TVector2< T > &v2)
Constructors
	TMatrix2x2 ()
	No initialization.
	TMatrix2x2 (T r)
	Initialization by diagonal element.
	TMatrix2x2 (const T *m)
	Initialization by array of T.
	TMatrix2x2 (T a00, T a01, T a10, T a11)
	Direct initialization by components (row order).
Access to values
T *	RawArray ()
	Provide access to internal contents.
void	GetValue (T *mp) const
	Copy this matrix mp array (! column-major order).
const T *	GetValue () const
	Provide const access to the buffer.
void	SetValue (const T *mp)
	Copy data from mp array.
void	SetValue (T r)
	Initialization by a diagonal component.
T &	operator() (int row, int col)
	access operator (e.g. m(1,0) = 20)
const T &	operator() (int row, int col) const
	const access operator (e.g. a = m(1,0))
T &	Elem (int row, int col)
	Return (row, col) element.
const T &	Elem (int row, int col) const
	Return const (row, col) element.
Row and column access
void	SetRow (int r, const TVector2< T > &t)
	Set row r of this matrix to vector t.
void	SetColumn (int c, const TVector2< T > &t)
	Set column c of this matrix to vector t.
void	GetRow (int r, TVector2< T > &t) const
	Set vector t equal to row r of this matrix.
TVector2< T >	GetRow (int r) const
	Return row r.
void	GetColumn (int c, TVector2< T > &t) const
	Set vector t equal to column c of this matrix.
TVector2< T >	GetColumn (int c) const
	Return column c.
Matrix-2-Matrix operations
TMatrix2x2< T > &	MultRight (const TMatrix2x2< T > &b)
	Multiplication to matrix b (right).
TMatrix2x2< T > &	MultLeft (const TMatrix2x2< T > &b)
	Multiplication to matrix b (left).
TMatrix2x2< T > &	operator *= (const TMatrix2x2< T > &mat)
	this *= mat
TMatrix2x2< T > &	operator+= (const TMatrix2x2< T > &mat)
	this += mat
TMatrix2x2< T >	operator/ (const double d)
Matrix-2-Vector operations
void	MultMatrixVec (const TVector2< T > &src, TVector2< T > &dst) const
	dst = M * src
void	MultMatrixVec (TVector2< T > &src_and_dst) const
	src_and_dst = M * src_and_dst
void	MultVecMatrix (const TVector2< T > &src, TVector2< T > &dst) const
	dst = src * M
void	MultVecMatrix (TVector2< T > &src_and_dst) const
	src_and_dst = src_and_dst * M
Matrix-2-Scalar operations
TMatrix2x2< T > &	operator *= (const T &r)
	Multiplication by scalar r (diagonal).
Miscellaneous
void	MakeIdentity ()
	Make E-matrix from this one.
TMatrix2x2< T >	Inverse () const
	Return an inverse matrix.
TMatrix2x2< T >	Transpose () const
	Return transposed matrix.
Static Public Member Functions
const TMatrix2x2< T > &	Identity ()
	Return predefined identity matrix.
Protected Attributes
T	m [4]
Friends
TMatrix2x2< T >	operator * (const TMatrix2x2< T > &m1, const TMatrix2x2< T > &m2)
	Matrix multiplication (return m1 * m2).
bool	operator== (const TMatrix2x2< T > &m1, const TMatrix2x2< T > &m2)
	Equality operator.
bool	operator!= (const TMatrix2x2< T > &m1, const TMatrix2x2< T > &m2)
	Unequality operator.
Related Functions
(Note that these are not member functions.)
TMatrix2x2< T_TO >	Conv (const TMatrix2x2< T_FROM > &u)
	Convert TMatrix2x2<T_FROM> to TMatrix2x2<T_TO>.
TMatrix2x2< float >	ConvF (const TMatrix2x2< T > &u)
	Convert TMatrix2x2<T> to TMatrix2x2<float>.
TMatrix2x2< double >	ConvD (const TMatrix2x2< T > &u)
	Convert TMatrix2x2<T> to TMatrix2x2<double>.

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Detailed Description

template<class T>
class gml::TMatrix2x2< T >

Template class for 2x2 matrix.

Parameters:

T	- template type of matrix elements

Warning:

Use it with some SIGNED integral type, or a real type Elements are stored in column-major order (OpenGL-style) E.g.:

   
    a0  a2 
    a1  a3
    

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Member Function Documentation

T* RawArray (   )  [inline]

Provide access to internal contents. Warning: Use with care, this function is dangerous!

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

• gmlmatrix2.h

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