GNU-Darwin Web
Main Page   Class Hierarchy   Compound List   File List   Compound Members

# csDMatrix3 Class Reference

A 3x3 matrix. More...

`#include <math3d_d.h>`

List of all members.

## Public Methods

csDMatrix3 ()
Construct a matrix, initialized to be the identity.

csDMatrix3 (double m11, double m12, double m13, double m21, double m22, double m23, double m31, double m32, double m33)
Construct a matrix and initialize it.

csDVector3 Row1 () const
Get the first row of this matrix as a vector.

csDVector3 Row2 () const
Get the second row of this matrix as a vector.

csDVector3 Row3 () const
Get the third row of this matrix as a vector.

csDVector3 Col1 () const
Get the first column of this matrix as a vector.

csDVector3 Col2 () const
Get the second column of this matrix as a vector.

csDVector3 Col3 () const
Get the third column of this matrix as a vector.

void Set (double m11, double m12, double m13, double m21, double m22, double m23, double m31, double m32, double m33)
Set matrix values.

csDMatrix3& operator+= (const csDMatrix3 &m)
Add another matrix to this matrix.

csDMatrix3& operator-= (const csDMatrix3 &m)
Subtract another matrix from this matrix.

csDMatrix3& operator *= (const csDMatrix3 &m)
Multiply another matrix with this matrix.

csDMatrix3& operator *= (double s)
Multiply this matrix with a scalar.

csDMatrix3& operator/= (double s)
Divide this matrix by a scalar.

csDMatrix3 operator+ () const
Unary + operator.

csDMatrix3 operator- () const
Unary - operator.

void Transpose ()
Transpose this matrix.

csDMatrix3 GetTranspose () const
Return the transpose of this matrix.

csDMatrix3 GetInverse () const
Return the inverse of this matrix.

void Invert ()
Invert this matrix.

double Determinant () const
Compute the determinant of this matrix.

void Identity ()
Set this matrix to the identity matrix.

double m11
double m12
double m13
double m21
double m22
double m23
double m31
double m32
double m33

## Friends

csDMatrix3 operator+ (const csDMatrix3 &m1, const csDMatrix3 &m2)

csDMatrix3 operator- (const csDMatrix3 &m1, const csDMatrix3 &m2)
Subtract two matricies.

csDMatrix3 operator * (const csDMatrix3 &m1, const csDMatrix3 &m2)
Multiply two matricies.

csDVector3 operator * (const csDMatrix3 &m, const csDVector3 &v)
Multiply a vector by a matrix (transform it).

csDMatrix3 operator * (const csDMatrix3 &m, double f)
Multiply a matrix and a scalar.

csDMatrix3 operator * (double f, const csDMatrix3 &m)
Multiply a matrix and a scalar.

csDMatrix3 operator/ (const csDMatrix3 &m, double f)
Divide a matrix by a scalar.

bool operator== (const csDMatrix3 &m1, const csDMatrix3 &m2)
Check if two matricies are equal.

bool operator!= (const csDMatrix3 &m1, const csDMatrix3 &m2)
Check if two matricies are not equal.

bool operator< (const csDMatrix3 &m, double f)
Test if each component of a matrix is less than a small epsilon value.

bool operator> (double f, const csDMatrix3 &m)
Test if each component of a matrix is greater than a small epsilon value.

## Detailed Description

A 3x3 matrix.

The documentation for this class was generated from the following file:
Generated for Crystal Space by doxygen 1.2.5 written by Dimitri van Heesch, ©1997-2000