sofa::defaulttype::Mat< L, C, real > Class Template Reference

#include <Mat.h>

Inheritance diagram for sofa::defaulttype::Mat< L, C, real >:

Collaboration diagram for sofa::defaulttype::Mat< L, C, real >:


Public Types
enum	{ N = L*C }
typedef real	Real
typedef Vec< C, real >	Line
typedef Vec< L, real >	Col
Public Member Functions
	Mat ()
	Mat (NoInit)
	Mat (Line r1, Line r2)
	Specific constructor with 2 lines.
	Mat (Line r1, Line r2, Line r3)
	Specific constructor with 3 lines.
	Mat (Line r1, Line r2, Line r3, Line r4)
	Specific constructor with 4 lines.
	Mat (const real &v)
	Constructor from an element.
template<typename real2 >
	Mat (const Mat< L, C, real2 > &m)
	Constructor from another matrix.
template<typename real2 >
	Mat (const real2 *p)
	Constructor from an array of elements (stored per line).
real	getNbLines () const
	number of lines
real	getNbCols () const
	number of colums
void	operator= (const real *p)
	Assignment from an array of elements (stored per line).
template<typename real2 >
void	operator= (const Mat< L, C, real2 > &m)
	Assignment from another matrix.
template<int L2, int C2>
void	operator= (const Mat< L2, C2, real > &m)
	Assignment from a matrix of different size.
template<int L2, int C2>
void	getsub (int L0, int C0, Mat< L2, C2, real > &m) const
template<int L2, int C2>
void	setsub (int L0, int C0, const Mat< L2, C2, real > &m)
void	clear ()
	Sets each element to 0.
void	fill (real r)
	Sets each element to r.
const Line &	line (int i) const
	Read-only access to line i.
Col	col (int j) const
	Copy of column j.
Line &	operator[] (int i)
	Write acess to line i.
const Line &	operator[] (int i) const
	Read-only access to line i.
Line &	operator() (int i)
	Write acess to line i.
const Line &	operator() (int i) const
	Read-only access to line i.
real &	operator() (int i, int j)
	Write access to element (i,j).
const real &	operator() (int i, int j) const
	Read-only access to element (i,j).
const Line *	lptr () const
	Cast into a standard C array of lines (read-only).
Line *	lptr ()
	Cast into a standard C array of lines.
const real *	ptr () const
	Cast into a standard C array of elements (stored per line) (read-only).
real *	ptr ()
	Cast into a standard C array of elements (stored per line).
Line &	x ()
	Special access to first line.
Line &	y ()
	Special access to second line.
Line &	z ()
	Special access to third line.
Line &	w ()
	Special access to fourth line.
const Line &	x () const
	Special access to first line (read-only).
const Line &	y () const
	Special access to second line (read-only).
const Line &	z () const
	Special access to thrid line (read-only).
const Line &	w () const
	Special access to fourth line (read-only).
void	identity ()
	Set matrix to identity.
void	transpose (const Mat< C, L, real > &m)
	Set matrix as the transpose of m.
Mat< C, L, real >	transposed () const
	Return the transpose of m.
void	transpose ()
	Transpose current matrix.
template<int P>
Mat< L, P, real >	operator* (const Mat< C, P, real > &m) const
	Matrix multiplication operator.
Mat< L, C, real >	operator+ (const Mat< L, C, real > &m) const
	Matrix addition operator.
Mat< L, C, real >	operator- (const Mat< L, C, real > &m) const
	Matrix subtraction operator.
Col	operator* (const Line &v) const
	Multiplication operator Matrix * Line.
Line	multTranspose (const Col &v) const
	Multiplication of the transposed Matrix * Column.
template<int P>
Mat< C, P, real >	multTranspose (const Mat< L, P, real > &m) const
	Transposed Matrix multiplication operator.
Mat< L, C, real >	operator* (real f) const
	Scalar multiplication operator.
Mat< L, C, real >	operator/ (real f) const
	Scalar division operator.
void	operator*= (real r)
	Scalar multiplication assignment operator.
void	operator/= (real r)
	Scalar division assignment operator.
void	operator+= (const Mat< L, C, real > &m)
	Addition assignment operator.
void	addTransposed (const Mat< L, C, real > &m)
	Addition of the transposed of m (possible for square matrices only).
void	subTransposed (const Mat< L, C, real > &m)
	Substraction of the transposed of m (possible for square matrices only).
void	operator-= (const Mat< L, C, real > &m)
	Substraction assignment operator.
bool	invert (const Mat< L, C, real > &m)
	Invert matrix m.
Tests operators
bool	operator== (const Mat< L, C, real > &b) const
bool	operator!= (const Mat< L, C, real > &b) const
bool	isSymetric () const