org.jlab.groot.math

Class MultiIndex

java.lang.Object

org.jlab.groot.math.MultiIndex

All Implemented Interfaces:

java.io.Serializable

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

Handles the indexing of multidimensional arrays.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MultiIndex() Initializes the arrays to size 0.
MultiIndex(int... d) Initializes the variables based on the number of arguments

Method Summary

Modifier and Type	Method and Description
int	getArrayIndex(int... ind) Gets the needed size for 1D, 2D, and 3D arrays to be stored in a 1D array
int	getArraySize() Gets the size of the resulting 1D array from the dimension sizes
void	setDimensions(int... d) Sets the dimension sizes at each index and initializes every element of the current index to -1.

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiIndex

public MultiIndex()

Initializes the arrays to size 0.

MultiIndex

public MultiIndex(int... d)

Initializes the variables based on the number of arguments

Parameters:

d - the list of dimension sizes. Used to determine the array sizes.

Method Detail

setDimensions

public final void setDimensions(int... d)

Sets the dimension sizes at each index and initializes every element of the current index to -1.

Parameters:

d - the list of dimension sizes

getArraySize

public int getArraySize()

Gets the size of the resulting 1D array from the dimension sizes

Returns:

the size of the 1D array from storing everything in the multi-dimensional arrays

getArrayIndex

public int getArrayIndex(int... ind)

Gets the needed size for 1D, 2D, and 3D arrays to be stored in a 1D array

Parameters:

ind - The size of each dimension

Returns:

The size of the 1D array from storing all the elements