math.fourierTransforms.fixPoint
Class IntegerFFT

java.lang.Object
  math.fourierTransforms.fixPoint.IntegerFFT

public class IntegerFFT
extends java.lang.Object

Copyright DocJava, inc. User: lyon

Date: Jan 13, 2005

Time: 6:32:16 AM

Constructor Summary

IntegerFFT()

Method Summary

static int	bitr(int j, int numBits)
static int	bitvr(int j, int NBITS) C SUBROUTINE WHICH RETURNS NBITS BITS OF j REVERSED .
static void	comp() This subroutine alters the field variables, is and ic.
static int	i_sign(int value, int sign)
static int	mpy(int i__, int j)
static void	testBitr()

Methods inherited from class java.lang.Object

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

Constructor Detail

IntegerFFT

public IntegerFFT()

Method Detail

comp

public static void comp()

This subroutine alters the field variables, is and ic.

testBitr

public static void testBitr()

bitr

public static int bitr(int j,
                       int numBits)

bitvr

public static int bitvr(int j,
                        int NBITS)

C SUBROUTINE WHICH RETURNS NBITS BITS OF j REVERSED .

mpy

public static int mpy(int i__,
                      int j)

i_sign

public static int i_sign(int value,
                         int sign)