org.apfloat.internal
Class DoubleMediumConvolutionStrategy

java.lang.Object
  extended by org.apfloat.internal.DoubleBaseMath
      extended by org.apfloat.internal.DoubleMediumConvolutionStrategy
All Implemented Interfaces:
Serializable, ConvolutionStrategy

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:
1.1
Author:
Mikko Tommila
See Also:
Serialized Form

Constructor Summary
DoubleMediumConvolutionStrategy(int radix)
          Creates a convolution strategy using the specified radix.
 
Method Summary
 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 Detail

DoubleMediumConvolutionStrategy

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

Parameters:
radix - The radix that will be used.
Method Detail

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