Package org.apfloat.spi

Interface NTTBuilder

All Known Implementing Classes:
AbstractNTTBuilder, DoubleNTTBuilder, FloatNTTBuilder, IntAparapiNTTBuilder, IntNTTBuilder, LongAparapiNTTBuilder, LongNTTBuilder
public interface NTTBuilder
Interface of a factory for creating Number Theoretic Transforms. The factory method pattern is used.
Version:
1.7.0
Author:
Mikko Tommila
See Also:

  • Method Details

    • createNTT

      NTTStrategy createNTT(long size)
      Creates a Number Theoretic Transform of suitable type for the specified length.
      Parameters:
      size - The transform length that will be used.
      Returns:
      A suitable NTT object for performing the transform.

    • createNTTSteps

      NTTStepStrategy createNTTSteps()
      Creates an object for implementing the steps of a step-based Number Theoretic Transform.
      Returns:
      A suitable object for performing the transform steps.
      Since:
      1.7.0

    • createNTTConvolutionSteps

      NTTConvolutionStepStrategy createNTTConvolutionSteps()
      Creates an object for implementing the steps of a three-NTT based convolution.
      Returns:
      A suitable object for performing the convolution steps.
      Since:
      1.7.0

    • createFactor3NTTSteps

      Factor3NTTStepStrategy createFactor3NTTSteps()
      Creates an object for implementing the steps of factor-3 NTT.
      Returns:
      A suitable object for performing the factor-3 NTT steps.
      Since:
      1.7.0