jsci.util.array
Class FileDoubleArray2D

java.lang.Object
  jsci.util.array.AbstractDoubleArray2D
      jsci.util.array.FileDoubleArray2D

All Implemented Interfaces:

Array2D<java.lang.Double>, DoubleArray2D

public class FileDoubleArray2D
extends AbstractDoubleArray2D

Uses an underlying file as storage.

Constructor Summary

FileDoubleArray2D(double[][] array)

FileDoubleArray2D(int rows, int cols)

FileDoubleArray2D(int rows, int cols, java.io.File f, int numBuffers, boolean bufferDiag)

FileDoubleArray2D(int rows, int cols, java.lang.String filename, int numBuffers, boolean bufferDiag)

Method Summary

void	close()
int	columns()
FileDoubleArray2D	create(int rows, int cols)
int	getBufferHits()
int	getBufferMisses()
double	getDouble(int i, int j)
int	rows()
void	setDouble(int i, int j, double x)

Methods inherited from class jsci.util.array.AbstractDoubleArray2D

contentEquals, contentEquals, contentEquals, contentEqualsOp, contentEqualsOp, get, set, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

FileDoubleArray2D

public FileDoubleArray2D(int rows,
                         int cols,
                         java.io.File f,
                         int numBuffers,
                         boolean bufferDiag)
                  throws java.io.IOException

Parameters:

numBuffers - number of row buffers

bufferDiag - buffer the diagonal?

Throws:

java.io.IOException

FileDoubleArray2D

public FileDoubleArray2D(int rows,
                         int cols,
                         java.lang.String filename,
                         int numBuffers,
                         boolean bufferDiag)
                  throws java.io.IOException

Throws:

java.io.IOException

FileDoubleArray2D

public FileDoubleArray2D(int rows,
                         int cols)
                  throws java.io.IOException

Throws:

java.io.IOException

FileDoubleArray2D

public FileDoubleArray2D(double[][] array)
                  throws java.io.IOException

Throws:

java.io.IOException

Method Detail

create

public FileDoubleArray2D create(int rows,
                                int cols)

getDouble

public double getDouble(int i,
                        int j)

setDouble

public void setDouble(int i,
                      int j,
                      double x)

getBufferHits

public int getBufferHits()

getBufferMisses

public int getBufferMisses()

close

public void close()
           throws java.io.IOException

Throws:

java.io.IOException

rows

public int rows()

columns

public int columns()