Package org.apfloat.samples

Class Pi.ChudnovskyPiCalculator

java.lang.Object

org.apfloat.samples.Pi.ChudnovskyPiCalculator

All Implemented Interfaces:

java.io.Serializable, Operation<Apfloat>

Direct Known Subclasses:

PiParallel.ParallelChudnovskyPiCalculator

Enclosing class:

Pi

public static class Pi.ChudnovskyPiCalculator
extends java.lang.Object
implements Operation<Apfloat>

Basic class for calculating pi using the Chudnovskys' binary splitting algorithm.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private Pi.BinarySplittingPiCalculator	calculator
private long	precision
private int	radix
private static long	serialVersionUID

Constructor Summary

Constructors

Modifier	Constructor	Description
	ChudnovskyPiCalculator(long precision, int radix)	Construct a pi calculator with the specified precision and radix.
protected	ChudnovskyPiCalculator(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 Chudnovskys' 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

calculator

private Pi.BinarySplittingPiCalculator calculator

precision

private long precision

radix

private int radix

Constructor Detail

ChudnovskyPiCalculator

public ChudnovskyPiCalculator(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

ChudnovskyPiCalculator

protected ChudnovskyPiCalculator(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()

Calculate pi using the Chudnovskys' binary splitting algorithm.

Specified by:

execute in interface Operation<Apfloat>

Returns:

Return value of the operation.