rasmus.fft.radix2
Class OpFFT
java.lang.Object
rasmus.fft.radix2.OpFFT
public final class OpFFT
- extends java.lang.Object
Constructor Summary |
OpFFT()
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Method Summary |
static void |
calc(int fftFrameSize,
double[] data,
int sign,
double[] w)
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static void |
calcF2(int fftFrameSize,
double[] data,
int i,
int nstep,
double[] w)
|
static void |
calcF2E(int fftFrameSize,
double[] data,
int i,
int nstep,
double[] w)
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static void |
calcF4(int fftFrameSize,
double[] data,
int i,
int nstep,
int sign,
double[] w)
|
static void |
calcF4E(int fftFrameSize,
double[] data,
int i,
int nstep,
int sign,
double[] w)
|
static void |
calcF4F(int fftFrameSize,
double[] data,
int i,
int nstep,
double[] w)
|
static void |
calcF4FE(int fftFrameSize,
double[] data,
int i,
int nstep,
double[] w)
|
static void |
calcF4I(int fftFrameSize,
double[] data,
int i,
int nstep,
double[] w)
|
static void |
calcF4IE(int fftFrameSize,
double[] data,
int i,
int nstep,
double[] w)
|
static double[] |
computeTwiddleFactors(int fftFrameSize,
int sign)
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Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
OpFFT
public OpFFT()
computeTwiddleFactors
public static final double[] computeTwiddleFactors(int fftFrameSize,
int sign)
calc
public static final void calc(int fftFrameSize,
double[] data,
int sign,
double[] w)
calcF2
public static final void calcF2(int fftFrameSize,
double[] data,
int i,
int nstep,
double[] w)
calcF2E
public static final void calcF2E(int fftFrameSize,
double[] data,
int i,
int nstep,
double[] w)
calcF4F
public static final void calcF4F(int fftFrameSize,
double[] data,
int i,
int nstep,
double[] w)
calcF4I
public static final void calcF4I(int fftFrameSize,
double[] data,
int i,
int nstep,
double[] w)
calcF4FE
public static final void calcF4FE(int fftFrameSize,
double[] data,
int i,
int nstep,
double[] w)
calcF4IE
public static final void calcF4IE(int fftFrameSize,
double[] data,
int i,
int nstep,
double[] w)
calcF4
public static final void calcF4(int fftFrameSize,
double[] data,
int i,
int nstep,
int sign,
double[] w)
calcF4E
public static final void calcF4E(int fftFrameSize,
double[] data,
int i,
int nstep,
int sign,
double[] w)