org.jcae.mesh.amibe.metrics
Class Matrix3D

java.lang.Object
  org.jcae.mesh.amibe.metrics.Matrix3D

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

Metric3D

public class Matrix3D
extends java.lang.Object
implements java.io.Serializable

General 3D matrix.

See Also:

Serialized Form

Field Summary

protected double[]

data

Constructor Summary

Matrix3D()
Create a Matrix3D instance and set it to the identity matrix.

Matrix3D(double[] e1, double[] e2, double[] e3)
Create a Matrix3D instance from three column vectors.

Method Summary

void	apply(double[] in, double[] out)
static double	computeNormal3D(double[] p0, double[] p1, double[] p2, double[] tempD1, double[] tempD2, double[] ret)
static double	computeNormal3DT(double[] p0, double[] p1, double[] p2, double[] tempD1, double[] tempD2, double[] ret)
protected void	copyColumn(int i, double[] dest)
Matrix3D	multL(Matrix3D A) Create a Matrix3D instance containing the multiplication of another Matrix3D instance by this one.
Matrix3D	multR(Matrix3D A) Create a Matrix3D instance containing the multiplication of this Matrix3D instance by another one.
static double	norm(double[] A) Return the Euclidian norm of a 3D vector.
static double	prodSca(double[] A, double[] B) Return the dot product between two 3D vectors.
static void	prodVect3D(double[] v1, double[] v2, double[] ret) Return the outer product of two 3D vectors.
void	reset() Reset all coefficients to zero.
void	saxpby0(double l1, Matrix3D a, double l2, Matrix3D b)
protected void	scale(double f) Multiply all matrix coefficients by a factor.
protected void	setDiagonal(double d1, double d2, double d3) Set diagonal coefficients.
protected void	swap(int i, int j)
java.lang.String	toString()
void	transp() Transpose current matrix.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

data

protected double[] data

Constructor Detail

Matrix3D

public Matrix3D()

Create a Matrix3D instance and set it to the identity matrix.

Matrix3D

public Matrix3D(double[] e1,
                double[] e2,
                double[] e3)

Create a Matrix3D instance from three column vectors.

Parameters:

e1 - first column.

e2 - second column.

e3 - third column.

Method Detail

reset

public void reset()

Reset all coefficients to zero.

transp

public void transp()

Transpose current matrix.

multR

public Matrix3D multR(Matrix3D A)

Create a Matrix3D instance containing the multiplication of this Matrix3D instance by another one.

Parameters:

A - another Matrix3D

Returns:

a new Matrix3D containing the multiplication this*A

multL

public Matrix3D multL(Matrix3D A)

Create a Matrix3D instance containing the multiplication of another Matrix3D instance by this one.

Parameters:

A - another Matrix3D

Returns:

a new Matrix3D containing the multiplication A*this

apply

public void apply(double[] in,
                  double[] out)

scale

protected void scale(double f)

Multiply all matrix coefficients by a factor.

Parameters:

f - scale factor

setDiagonal

protected void setDiagonal(double d1,
                           double d2,
                           double d3)

Set diagonal coefficients.

Parameters:

d1 - first diagonal coefficient

d2 - second diagonal coefficient

d3 - third diagonal coefficient

saxpby0

public void saxpby0(double l1,
                    Matrix3D a,
                    double l2,
                    Matrix3D b)

swap

protected final void swap(int i,
                          int j)

copyColumn

protected final void copyColumn(int i,
                                double[] dest)

prodSca

public static double prodSca(double[] A,
                             double[] B)

Return the dot product between two 3D vectors.

Parameters:

A - first 3D vector

B - second 3D vector

Returns:

the dot product between the two vectors.

norm

public static double norm(double[] A)

Return the Euclidian norm of a 3D vector.

Parameters:

A - 3D vector.

Returns:

the Euclidian norm of A.

prodVect3D

public static void prodVect3D(double[] v1,
                              double[] v2,
                              double[] ret)

Return the outer product of two 3D vectors.

Parameters:

v1 - first vector

v2 - second vector

ret - allocated array to store the output product.

computeNormal3D

public static final double computeNormal3D(double[] p0,
                                           double[] p1,
                                           double[] p2,
                                           double[] tempD1,
                                           double[] tempD2,
                                           double[] ret)

computeNormal3DT

public static final double computeNormal3DT(double[] p0,
                                            double[] p1,
                                            double[] p2,
                                            double[] tempD1,
                                            double[] tempD2,
                                            double[] ret)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object