org.apfloat.samples

Class Pi.RamanujanPiCalculator

java.lang.Object

org.apfloat.samples.Pi.RamanujanPiCalculator

All Implemented Interfaces:

Serializable, Operation<Apfloat>

Direct Known Subclasses:

PiParallel.ParallelRamanujanPiCalculator

Enclosing class:

Pi

public static class Pi.RamanujanPiCalculator
extends Object
implements Operation<Apfloat>

Basic class for calculating pi using the Ramanujan binary splitting algorithm.

See Also:

Serialized Form

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and 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

Constructor Detail

RamanujanPiCalculator

public RamanujanPiCalculator(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

RamanujanPiCalculator

protected RamanujanPiCalculator(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 Ramanujan binary splitting algorithm.

Specified by:

execute in interface Operation<Apfloat>

Returns:

Return value of the operation.