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
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 |
IntegerFFT
public IntegerFFT()
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)