Package org.apfloat.internal

Class DoubleMediumConvolutionStrategy

java.lang.Object

org.apfloat.internal.DoubleBaseMath

org.apfloat.internal.DoubleMediumConvolutionStrategy

All Implemented Interfaces:

Serializable, ConvolutionStrategy

Direct Known Subclasses:

DoubleKaratsubaConvolutionStrategy

public class DoubleMediumConvolutionStrategy
extends DoubleBaseMath
implements ConvolutionStrategy

Medium-length convolution strategy. Performs a simple O(n²) multiplication when the size of one operand is relatively short.

Version:

1.9.0

Author:

Mikko Tommila

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
DoubleMediumConvolutionStrategy(int radix)	Creates a convolution strategy using the specified radix.

Method Summary

Modifier and Type	Method	Description
DataStorage	convolute(DataStorage x, DataStorage y, long resultSize)	Convolutes the two sets of data.

Methods inherited from class org.apfloat.internal.DoubleBaseMath

baseAdd, baseDivide, baseMultiplyAdd, baseSubtract

Methods inherited from class java.lang.Object

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

Constructor Details

DoubleMediumConvolutionStrategy

public DoubleMediumConvolutionStrategy(int radix)

Creates a convolution strategy using the specified radix.

Parameters:

radix - The radix that will be used.

Method Details

convolute

public DataStorage convolute(DataStorage x,
 DataStorage y,
 long resultSize)
                      throws ApfloatRuntimeException

Description copied from interface: ConvolutionStrategy

Convolutes the two sets of data.

Specified by:

convolute in interface ConvolutionStrategy

Parameters:

x - First data set.

y - Second data set.

resultSize - Number of elements needed in the result data.

Returns:

The convolved data.

Throws:

ApfloatRuntimeException