Package org.apfloat.samples

Class PiParallel.ParallelRamanujanPiCalculator

java.lang.Object

org.apfloat.samples.Pi.RamanujanPiCalculator

org.apfloat.samples.PiParallel.ParallelRamanujanPiCalculator

All Implemented Interfaces:

java.io.Serializable, Operation<Apfloat>

Direct Known Subclasses:

PiDistributed.DistributedRamanujanPiCalculator

Enclosing class:

PiParallel

public static class PiParallel.ParallelRamanujanPiCalculator
extends Pi.RamanujanPiCalculator

Class for calculating pi using the parallel Ramanujan's binary splitting algorithm.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private static long	serialVersionUID

Constructor Summary

Constructors

Modifier	Constructor	Description
	ParallelRamanujanPiCalculator(long precision, int radix)	Construct a pi calculator with the specified precision and radix.
protected	ParallelRamanujanPiCalculator(Pi.BinarySplittingPiCalculator calculator, long precision, int radix)	Construct a pi calculator with the specified binary splitting algorithm.

Method Summary

Modifier and Type	Method	Description
Apfloat	execute()	Calculate pi using the Ramanujan binary splitting algorithm.

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

Constructor Detail

ParallelRamanujanPiCalculator

public ParallelRamanujanPiCalculator(long precision,
                                     int radix)
                              throws ApfloatRuntimeException

Construct a pi calculator with the specified precision and radix.

Parameters:

precision - The target precision.

radix - The radix to be used.

Throws:

ApfloatRuntimeException

ParallelRamanujanPiCalculator

protected ParallelRamanujanPiCalculator(Pi.BinarySplittingPiCalculator calculator,
                                        long precision,
                                        int radix)
                                 throws ApfloatRuntimeException

Construct a pi calculator with the specified binary splitting algorithm.

Parameters:

calculator - The binary splitting algorithm to be used.

precision - The target precision.

radix - The radix to be used.

Throws:

ApfloatRuntimeException

Method Detail

execute

public Apfloat execute()

Description copied from class: Pi.RamanujanPiCalculator

Calculate pi using the Ramanujan binary splitting algorithm.

Specified by:

execute in interface Operation<Apfloat>

Overrides:

execute in class Pi.RamanujanPiCalculator

Returns:

Return value of the operation.