org.ojalgo.access
Class AccessUtils

java.lang.Object
  org.ojalgo.access.AccessUtils

public abstract class AccessUtils
extends Object

Method Summary

static int	column(int anIndex, int aRowDim)
static int	column(int anIndex, int[] aStructure)
static int	index(int[] aStructure, int[] aReference)
static int	row(int anIndex, int aRowDim)
static int	row(int anIndex, int[] aStructure)
static int	size(int[] aStructure)
static int	size(int[] aStructure, int aDimension)
static int	step(int[] aStructure, int aDimension)
static int	step(int[] aStructure, int[] aReferenceIncrement) A more complex/general version of step(int[], int).
static int[]	structure(org.ojalgo.access.StructureAnyD aStructure)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

column

public static int column(int anIndex,
                         int aRowDim)

column

public static int column(int anIndex,
                         int[] aStructure)

index

public static int index(int[] aStructure,
                        int[] aReference)

Parameters:

aStructure - An access structure

aReference - An access element reference

Returns:

The index of that element

row

public static int row(int anIndex,
                      int aRowDim)

row

public static int row(int anIndex,
                      int[] aStructure)

size

public static int size(int[] aStructure)

Parameters:

aStructure - An access structure

Returns:

The size of an access with that structure

size

public static int size(int[] aStructure,
                       int aDimension)

Parameters:

aStructure - An access structure

aDimension - A dimension index

Returns:

The size of that dimension

step

public static int step(int[] aStructure,
                       int aDimension)

Parameters:

aStructure - An access structure

aDimension - A dimension index indication a direction

Returns:

The step size (index change) in that direction

step

public static int step(int[] aStructure,
                       int[] aReferenceIncrement)

A more complex/general version of step(int[], int).

Parameters:

aStructure - An access structure

aReferenceIncrement - A vector indication a direction (and size)

Returns:

The step size (index change)

structure

public static int[] structure(org.ojalgo.access.StructureAnyD aStructure)