groovyx.gpars.extra166y

Class PAS.FJDStats

java.lang.Object

java.util.concurrent.ForkJoinTask<java.lang.Void>

java.util.concurrent.RecursiveAction

groovyx.gpars.extra166y.PAS.FJBase

groovyx.gpars.extra166y.PAS.FJDStats

All Implemented Interfaces:

ParallelDoubleArray.SummaryStatistics, java.io.Serializable, java.util.concurrent.Future<java.lang.Void>

Enclosing class:

PAS

static final class PAS.FJDStats
extends PAS.FJBase
implements ParallelDoubleArray.SummaryStatistics

Field Summary

Fields

Modifier and Type	Field and Description
(package private) Ops.DoubleComparator	comparator
(package private) int	indexOfMax
(package private) int	indexOfMin
(package private) double	max
(package private) double	min
(package private) int	size
(package private) double	sum

Fields inherited from class groovyx.gpars.extra166y.PAS.FJBase

hi, lo, next, pap

Constructor Summary

Constructors

Constructor and Description
FJDStats(AbstractParallelAnyArray pap, int lo, int hi, PAS.FJBase next, Ops.DoubleComparator comparator)

Method Summary

Modifier and Type	Method and Description
(package private) void	atLeaf(int l, int h) Leaf computation
double	average() Returns the arithmetic average of all elements
(package private) void	filteredAtLeaf(int l, int h)
int	indexOfMax() Returns the index of the maximum element, or -1 if empty
int	indexOfMin() Returns the index of the minimum element, or -1 if empty
double	max() Returns the maximum element, or -Double.MAX_VALUE if empty
double	min() Returns the minimum element, or Double.MAX_VALUE if empty
(package private) PAS.FJBase	newSubtask(int l, int h, PAS.FJBase r) Factory method to create new subtask, normally of current type
(package private) void	onReduce(PAS.FJBase right) Operation performed after joining right subtask -- default noop
int	size() Returns the number of elements
double	sum() Returns the sum of all elements
java.lang.String	toString()
(package private) void	updateMax(int i, double x)
(package private) void	updateMin(int i, double x)

Methods inherited from class groovyx.gpars.extra166y.PAS.FJBase

compute, internalCompute

Methods inherited from class java.util.concurrent.RecursiveAction

exec, getRawResult, setRawResult

Methods inherited from class java.util.concurrent.ForkJoinTask

adapt, adapt, adapt, cancel, compareAndSetForkJoinTaskTag, complete, completeExceptionally, fork, get, get, getException, getForkJoinTaskTag, getPool, getQueuedTaskCount, getSurplusQueuedTaskCount, helpQuiesce, inForkJoinPool, invoke, invokeAll, invokeAll, invokeAll, isCancelled, isCompletedAbnormally, isCompletedNormally, isDone, join, peekNextLocalTask, pollNextLocalTask, pollTask, quietlyComplete, quietlyInvoke, quietlyJoin, reinitialize, setForkJoinTaskTag, tryUnfork

Methods inherited from class java.lang.Object

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

Field Detail

comparator

final Ops.DoubleComparator comparator

size

int size

min

double min

max

double max

sum

double sum

indexOfMin

int indexOfMin

indexOfMax

int indexOfMax

Constructor Detail

FJDStats

FJDStats(AbstractParallelAnyArray pap,
         int lo,
         int hi,
         PAS.FJBase next,
         Ops.DoubleComparator comparator)

Method Detail

size

public int size()

Description copied from interface: ParallelDoubleArray.SummaryStatistics

Returns the number of elements

Specified by:

size in interface ParallelDoubleArray.SummaryStatistics

min

public double min()

Description copied from interface: ParallelDoubleArray.SummaryStatistics

Returns the minimum element, or Double.MAX_VALUE if empty

Specified by:

min in interface ParallelDoubleArray.SummaryStatistics

max

public double max()

Description copied from interface: ParallelDoubleArray.SummaryStatistics

Returns the maximum element, or -Double.MAX_VALUE if empty

Specified by:

max in interface ParallelDoubleArray.SummaryStatistics

sum

public double sum()

Description copied from interface: ParallelDoubleArray.SummaryStatistics

Returns the sum of all elements

Specified by:

sum in interface ParallelDoubleArray.SummaryStatistics

average

public double average()

Description copied from interface: ParallelDoubleArray.SummaryStatistics

Returns the arithmetic average of all elements

Specified by:

average in interface ParallelDoubleArray.SummaryStatistics

indexOfMin

public int indexOfMin()

Description copied from interface: ParallelDoubleArray.SummaryStatistics

Returns the index of the minimum element, or -1 if empty

Specified by:

indexOfMin in interface ParallelDoubleArray.SummaryStatistics

indexOfMax

public int indexOfMax()

Description copied from interface: ParallelDoubleArray.SummaryStatistics

Returns the index of the maximum element, or -1 if empty

Specified by:

indexOfMax in interface ParallelDoubleArray.SummaryStatistics

newSubtask

PAS.FJBase newSubtask(int l,
                      int h,
                      PAS.FJBase r)

Description copied from class: PAS.FJBase

Factory method to create new subtask, normally of current type

Specified by:

newSubtask in class PAS.FJBase

onReduce

void onReduce(PAS.FJBase right)

Description copied from class: PAS.FJBase

Operation performed after joining right subtask -- default noop

Overrides:

onReduce in class PAS.FJBase

updateMin

void updateMin(int i,
               double x)

updateMax

void updateMax(int i,
               double x)

atLeaf

void atLeaf(int l,
            int h)

Description copied from class: PAS.FJBase

Leaf computation

Specified by:

atLeaf in class PAS.FJBase

filteredAtLeaf

void filteredAtLeaf(int l,
                    int h)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object