# Uses of Class
org.apfloat.internal.DoubleTableFNT

Packages that use DoubleTableFNT
Package
Description
org.apfloat.internal
Default implementations of the apfloat Service Provider Interface (SPI).

- ## Uses of DoubleTableFNT in org.apfloat.internal

  Subclasses of DoubleTableFNT in org.apfloat.internal
  Modifier and Type
  Class
  Description
  `class`
  `DoubleNTTStepStrategy`
  Common methods to calculate Fast Number Theoretic Transforms in parallel using multiple threads.
  `class`
  `DoubleTableFNTStrategy`
  Fast Number Theoretic Transform strategy that uses lookup tables for powers of n:th root of unity and permutation indexes.