Package com.jhlabs.math

Class FFT

  • public class FFT
extends java.lang.Object

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected float[] w1  
      protected float[] w2  
      protected float[] w3  

    • Constructor Summary

      Constructors 
      Constructor Description
      FFT​(int logN)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void transform1D​(float[] real, float[] imag, int logN, int n, boolean forward)  
      void transform2D​(float[] real, float[] imag, int cols, int rows, boolean forward)  

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • w1

        protected float[] w1

      • w2

        protected float[] w2

      • w3

        protected float[] w3

    • Constructor Detail

      • FFT

        public FFT​(int logN)

    • Method Detail

      • transform1D

        public void transform1D​(float[] real,
                        float[] imag,
                        int logN,
                        int n,
                        boolean forward)

      • transform2D

        public void transform2D​(float[] real,
                        float[] imag,
                        int cols,
                        int rows,
                        boolean forward)