CommonUtils (JTransforms 3.1 API)

java.lang.Object
- org.jtransforms.utils.CommonUtils

```
public class CommonUtils
extends Object
```
Static utility methods.

Author:

Piotr Wendykier (piotr.wendykier@gmail.com)

Constructor Summary

Constructors
Constructor and Description

CommonUtils()

Constructors
Constructor and Description
`CommonUtils()`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static void`	`bitrv2(int n, int[] ip, double[] a, int offa)`
`static void`	`bitrv2(int n, int[] ip, float[] a, int offa)`
`static void`	`bitrv208(double[] a, int offa)`
`static void`	`bitrv208(pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa)`
`static void`	`bitrv208(float[] a, int offa)`
`static void`	`bitrv208(pl.edu.icm.jlargearrays.FloatLargeArray a, long offa)`
`static void`	`bitrv208neg(double[] a, int offa)`
`static void`	`bitrv208neg(pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa)`
`static void`	`bitrv208neg(float[] a, int offa)`
`static void`	`bitrv208neg(pl.edu.icm.jlargearrays.FloatLargeArray a, long offa)`
`static void`	`bitrv216(double[] a, int offa)`
`static void`	`bitrv216(pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa)`
`static void`	`bitrv216(float[] a, int offa)`
`static void`	`bitrv216(pl.edu.icm.jlargearrays.FloatLargeArray a, long offa)`
`static void`	`bitrv216neg(double[] a, int offa)`
`static void`	`bitrv216neg(pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa)`
`static void`	`bitrv216neg(float[] a, int offa)`
`static void`	`bitrv216neg(pl.edu.icm.jlargearrays.FloatLargeArray a, long offa)`
`static void`	`bitrv2conj(int n, int[] ip, double[] a, int offa)`
`static void`	`bitrv2conj(int n, int[] ip, float[] a, int offa)`
`static void`	`bitrv2conj(long n, pl.edu.icm.jlargearrays.LongLargeArray ip, pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa)`
`static void`	`bitrv2conj(long n, pl.edu.icm.jlargearrays.LongLargeArray ip, pl.edu.icm.jlargearrays.FloatLargeArray a, long offa)`
`static void`	`bitrv2l(long n, pl.edu.icm.jlargearrays.LongLargeArray ip, pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa)`
`static void`	`bitrv2l(long n, pl.edu.icm.jlargearrays.LongLargeArray ip, pl.edu.icm.jlargearrays.FloatLargeArray a, long offa)`
`static void`	`cftb040(double[] a, int offa)`
`static void`	`cftb040(pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa)`
`static void`	`cftb040(float[] a, int offa)`
`static void`	`cftb040(pl.edu.icm.jlargearrays.FloatLargeArray a, long offa)`
`static void`	`cftb1st(int n, double[] a, int offa, double[] w, int startw)`
`static void`	`cftb1st(int n, float[] a, int offa, float[] w, int startw)`
`static void`	`cftb1st(long n, pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, pl.edu.icm.jlargearrays.DoubleLargeArray w, long startw)`
`static void`	`cftb1st(long n, pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, pl.edu.icm.jlargearrays.FloatLargeArray w, long startw)`
`static void`	`cftbsub(int n, double[] a, int offa, int[] ip, int nw, double[] w)`
`static void`	`cftbsub(int n, float[] a, int offa, int[] ip, int nw, float[] w)`
`static void`	`cftbsub(long n, pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, pl.edu.icm.jlargearrays.LongLargeArray ip, long nw, pl.edu.icm.jlargearrays.DoubleLargeArray w)`
`static void`	`cftbsub(long n, pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, pl.edu.icm.jlargearrays.LongLargeArray ip, long nw, pl.edu.icm.jlargearrays.FloatLargeArray w)`
`static void`	`cftf040(double[] a, int offa)`
`static void`	`cftf040(pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa)`
`static void`	`cftf040(float[] a, int offa)`
`static void`	`cftf040(pl.edu.icm.jlargearrays.FloatLargeArray a, long offa)`
`static void`	`cftf081(double[] a, int offa, double[] w, int startw)`
`static void`	`cftf081(pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, pl.edu.icm.jlargearrays.DoubleLargeArray w, long startw)`
`static void`	`cftf081(float[] a, int offa, float[] w, int startw)`
`static void`	`cftf081(pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, pl.edu.icm.jlargearrays.FloatLargeArray w, long startw)`
`static void`	`cftf082(double[] a, int offa, double[] w, int startw)`
`static void`	`cftf082(pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, pl.edu.icm.jlargearrays.DoubleLargeArray w, long startw)`
`static void`	`cftf082(float[] a, int offa, float[] w, int startw)`
`static void`	`cftf082(pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, pl.edu.icm.jlargearrays.FloatLargeArray w, long startw)`
`static void`	`cftf161(double[] a, int offa, double[] w, int startw)`
`static void`	`cftf161(pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, pl.edu.icm.jlargearrays.DoubleLargeArray w, long startw)`
`static void`	`cftf161(float[] a, int offa, float[] w, int startw)`
`static void`	`cftf161(pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, pl.edu.icm.jlargearrays.FloatLargeArray w, long startw)`
`static void`	`cftf162(double[] a, int offa, double[] w, int startw)`
`static void`	`cftf162(pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, pl.edu.icm.jlargearrays.DoubleLargeArray w, long startw)`
`static void`	`cftf162(float[] a, int offa, float[] w, int startw)`
`static void`	`cftf162(pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, pl.edu.icm.jlargearrays.FloatLargeArray w, long startw)`
`static void`	`cftf1st(int n, double[] a, int offa, double[] w, int startw)`
`static void`	`cftf1st(int n, float[] a, int offa, float[] w, int startw)`
`static void`	`cftf1st(long n, pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, pl.edu.icm.jlargearrays.DoubleLargeArray w, long startw)`
`static void`	`cftf1st(long n, pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, pl.edu.icm.jlargearrays.FloatLargeArray w, long startw)`
`static void`	`cftfsub(int n, double[] a, int offa, int[] ip, int nw, double[] w)`
`static void`	`cftfsub(int n, float[] a, int offa, int[] ip, int nw, float[] w)`
`static void`	`cftfsub(long n, pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, pl.edu.icm.jlargearrays.LongLargeArray ip, long nw, pl.edu.icm.jlargearrays.DoubleLargeArray w)`
`static void`	`cftfsub(long n, pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, pl.edu.icm.jlargearrays.LongLargeArray ip, long nw, pl.edu.icm.jlargearrays.FloatLargeArray w)`
`static void`	`cftfx41(int n, double[] a, int offa, int nw, double[] w)`
`static void`	`cftfx41(int n, float[] a, int offa, int nw, float[] w)`
`static void`	`cftfx41(long n, pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, long nw, pl.edu.icm.jlargearrays.DoubleLargeArray w)`
`static void`	`cftfx41(long n, pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, long nw, pl.edu.icm.jlargearrays.FloatLargeArray w)`
`static void`	`cftleaf(int n, int isplt, double[] a, int offa, int nw, double[] w)`
`static void`	`cftleaf(int n, int isplt, float[] a, int offa, int nw, float[] w)`
`static void`	`cftleaf(long n, long isplt, pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, long nw, pl.edu.icm.jlargearrays.DoubleLargeArray w)`
`static void`	`cftleaf(long n, long isplt, pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, long nw, pl.edu.icm.jlargearrays.FloatLargeArray w)`
`static void`	`cftmdl1(int n, double[] a, int offa, double[] w, int startw)`
`static void`	`cftmdl1(int n, float[] a, int offa, float[] w, int startw)`
`static void`	`cftmdl1(long n, pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, pl.edu.icm.jlargearrays.DoubleLargeArray w, long startw)`
`static void`	`cftmdl1(long n, pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, pl.edu.icm.jlargearrays.FloatLargeArray w, long startw)`
`static void`	`cftmdl2(int n, double[] a, int offa, double[] w, int startw)`
`static void`	`cftmdl2(int n, float[] a, int offa, float[] w, int startw)`
`static void`	`cftmdl2(long n, pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, pl.edu.icm.jlargearrays.DoubleLargeArray w, long startw)`
`static void`	`cftmdl2(long n, pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, pl.edu.icm.jlargearrays.FloatLargeArray w, long startw)`
`static void`	`cftrec4_th(int n, double[] a, int offa, int nw, double[] w)`
`static void`	`cftrec4_th(int n, float[] a, int offa, int nw, float[] w)`
`static void`	`cftrec4_th(long n, pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, long nw, pl.edu.icm.jlargearrays.DoubleLargeArray w)`
`static void`	`cftrec4_th(long n, pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, long nw, pl.edu.icm.jlargearrays.FloatLargeArray w)`
`static void`	`cftrec4(int n, double[] a, int offa, int nw, double[] w)`
`static void`	`cftrec4(int n, float[] a, int offa, int nw, float[] w)`
`static void`	`cftrec4(long n, pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, long nw, pl.edu.icm.jlargearrays.DoubleLargeArray w)`
`static void`	`cftrec4(long n, pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, long nw, pl.edu.icm.jlargearrays.FloatLargeArray w)`
`static int`	`cfttree(int n, int j, int k, double[] a, int offa, int nw, double[] w)`
`static int`	`cfttree(int n, int j, int k, float[] a, int offa, int nw, float[] w)`
`static long`	`cfttree(long n, long j, long k, pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, long nw, pl.edu.icm.jlargearrays.DoubleLargeArray w)`
`static long`	`cfttree(long n, long j, long k, pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, long nw, pl.edu.icm.jlargearrays.FloatLargeArray w)`
`static void`	`cftx020(double[] a, int offa)`
`static void`	`cftx020(pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa)`
`static void`	`cftx020(float[] a, int offa)`
`static void`	`cftx020(pl.edu.icm.jlargearrays.FloatLargeArray a, long offa)`
`static void`	`cftxb020(double[] a, int offa)`
`static void`	`cftxb020(pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa)`
`static void`	`cftxb020(float[] a, int offa)`
`static void`	`cftxb020(pl.edu.icm.jlargearrays.FloatLargeArray a, long offa)`
`static void`	`cftxc020(double[] a, int offa)`
`static void`	`cftxc020(pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa)`
`static void`	`cftxc020(float[] a, int offa)`
`static void`	`cftxc020(pl.edu.icm.jlargearrays.FloatLargeArray a, long offa)`
`static void`	`dctsub(int n, double[] a, int offa, int nc, double[] c, int startc)`
`static void`	`dctsub(int n, float[] a, int offa, int nc, float[] c, int startc)`
`static void`	`dctsub(long n, pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, long nc, pl.edu.icm.jlargearrays.DoubleLargeArray c, long startc)`
`static void`	`dctsub(long n, pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, long nc, pl.edu.icm.jlargearrays.FloatLargeArray c, long startc)`
`static long`	`getReminder(long n, int[] factors)`
`static long`	`getThreadsBeginN_1D_FFT_2Threads()` Returns the minimal size of 1D data for which two threads are used.
`static long`	`getThreadsBeginN_1D_FFT_4Threads()` Returns the minimal size of 1D data for which four threads are used.
`static long`	`getThreadsBeginN_2D()` Returns the minimal size of 2D data for which threads are used.
`static long`	`getThreadsBeginN_3D()` Returns the minimal size of 3D data for which threads are used.
`static boolean`	`isPowerOf2(int x)` Checks if x is a power-of-two number.
`static boolean`	`isPowerOf2(long x)` Checks if x is a power-of-two number.
`static boolean`	`isUseLargeArrays()` Returns the value of useLargeArrays variable.
`static void`	`makect(int nc, double[] c, int startc, int[] ip)`
`static void`	`makect(int nc, float[] c, int startc, int[] ip)`
`static void`	`makect(long nc, pl.edu.icm.jlargearrays.DoubleLargeArray c, long startc, pl.edu.icm.jlargearrays.LongLargeArray ipl)`
`static void`	`makect(long nc, pl.edu.icm.jlargearrays.FloatLargeArray c, long startc, pl.edu.icm.jlargearrays.LongLargeArray ipl)`
`static void`	`makeipt(int nw, int[] ip)`
`static void`	`makeipt(long nw, pl.edu.icm.jlargearrays.LongLargeArray ipl)`
`static void`	`makewt(int nw, int[] ip, double[] w)`
`static void`	`makewt(int nw, int[] ip, float[] w)`
`static void`	`makewt(long nw, pl.edu.icm.jlargearrays.LongLargeArray ipl, pl.edu.icm.jlargearrays.DoubleLargeArray wl)`
`static void`	`makewt(long nw, pl.edu.icm.jlargearrays.LongLargeArray ipl, pl.edu.icm.jlargearrays.FloatLargeArray wl)`
`static int`	`nextPow2(int x)` Returns the closest power-of-two number greater than or equal to x.
`static long`	`nextPow2(long x)` Returns the closest power-of-two number greater than or equal to x.
`static int`	`prevPow2(int x)` Returns the closest power-of-two number less than or equal to x.
`static long`	`prevPow2(long x)` Returns the closest power-of-two number less than or equal to x.
`static void`	`resetThreadsBeginN_FFT()` Resets the minimal size of 1D data for which two and four threads are used.
`static void`	`resetThreadsBeginN()` Resets the minimal size of 2D and 3D data for which threads are used.
`static void`	`rftbsub(int n, double[] a, int offa, int nc, double[] c, int startc)`
`static void`	`rftbsub(int n, float[] a, int offa, int nc, float[] c, int startc)`
`static void`	`rftbsub(long n, pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, long nc, pl.edu.icm.jlargearrays.DoubleLargeArray c, long startc)`
`static void`	`rftbsub(long n, pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, long nc, pl.edu.icm.jlargearrays.FloatLargeArray c, long startc)`
`static void`	`rftfsub(int n, double[] a, int offa, int nc, double[] c, int startc)`
`static void`	`rftfsub(int n, float[] a, int offa, int nc, float[] c, int startc)`
`static void`	`rftfsub(long n, pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, long nc, pl.edu.icm.jlargearrays.DoubleLargeArray c, long startc)`
`static void`	`rftfsub(long n, pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, long nc, pl.edu.icm.jlargearrays.FloatLargeArray c, long startc)`
`static void`	`scale(int n, double m, double[] a, int offa, boolean complex)`
`static void`	`scale(int n, float m, float[] a, int offa, boolean complex)`
`static void`	`scale(long nl, double m, pl.edu.icm.jlargearrays.DoubleLargeArray a, long offa, boolean complex)`
`static void`	`scale(long nl, float m, pl.edu.icm.jlargearrays.FloatLargeArray a, long offa, boolean complex)`
`static void`	`setThreadsBeginN_1D_FFT_2Threads(long n)` Sets the minimal size of 1D data for which two threads are used.
`static void`	`setThreadsBeginN_1D_FFT_4Threads(long n)` Sets the minimal size of 1D data for which four threads are used.
`static void`	`setThreadsBeginN_2D(long n)` Sets the minimal size of 2D data for which threads are used.
`static void`	`setThreadsBeginN_3D(long n)` Sets the minimal size of 3D data for which threads are used.
`static void`	`setUseLargeArrays(boolean useLargeArrays)` Sets the value of useLargeArrays variable.
`static void`	`sleep(long millis)` Causes the currently executing thread to sleep (temporarily cease execution) for the specified number of milliseconds.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail
- CommonUtils
```
public CommonUtils()
```

Method Detail

sleep
```
public static void sleep(long millis)
```
Causes the currently executing thread to sleep (temporarily cease execution) for the specified number of milliseconds.

Parameters:

millis - the length of time to sleep in milliseconds

getThreadsBeginN_1D_FFT_2Threads
```
public static long getThreadsBeginN_1D_FFT_2Threads()
```
Returns the minimal size of 1D data for which two threads are used.

Returns:

the minimal size of 1D data for which two threads are used

getThreadsBeginN_1D_FFT_4Threads
```
public static long getThreadsBeginN_1D_FFT_4Threads()
```
Returns the minimal size of 1D data for which four threads are used.

Returns:

the minimal size of 1D data for which four threads are used

getThreadsBeginN_2D
```
public static long getThreadsBeginN_2D()
```
Returns the minimal size of 2D data for which threads are used.

Returns:

the minimal size of 2D data for which threads are used

getThreadsBeginN_3D
```
public static long getThreadsBeginN_3D()
```
Returns the minimal size of 3D data for which threads are used.

Returns:

the minimal size of 3D data for which threads are used

setThreadsBeginN_1D_FFT_2Threads
```
public static void setThreadsBeginN_1D_FFT_2Threads(long n)
```
Sets the minimal size of 1D data for which two threads are used.

Parameters:

n - the minimal size of 1D data for which two threads are used

setThreadsBeginN_1D_FFT_4Threads
```
public static void setThreadsBeginN_1D_FFT_4Threads(long n)
```
Sets the minimal size of 1D data for which four threads are used.

Parameters:

n - the minimal size of 1D data for which four threads are used

setThreadsBeginN_2D
```
public static void setThreadsBeginN_2D(long n)
```
Sets the minimal size of 2D data for which threads are used.

Parameters:

n - the minimal size of 2D data for which threads are used

setThreadsBeginN_3D
```
public static void setThreadsBeginN_3D(long n)
```
Sets the minimal size of 3D data for which threads are used.

Parameters:

n - the minimal size of 3D data for which threads are used

resetThreadsBeginN_FFT
```
public static void resetThreadsBeginN_FFT()
```
Resets the minimal size of 1D data for which two and four threads are used.

resetThreadsBeginN
```
public static void resetThreadsBeginN()
```
Resets the minimal size of 2D and 3D data for which threads are used.

isUseLargeArrays
```
public static boolean isUseLargeArrays()
```
Returns the value of useLargeArrays variable.

Returns:

the value of useLargeArrays variable

setUseLargeArrays
```
public static void setUseLargeArrays(boolean useLargeArrays)
```
Sets the value of useLargeArrays variable.

Parameters:

useLargeArrays - the value of useLargeArrays variable

nextPow2
```
public static int nextPow2(int x)
```
Returns the closest power-of-two number greater than or equal to x.

Parameters:

x - input value

Returns:

the closest power-of-two number greater than or equal to x

nextPow2
```
public static long nextPow2(long x)
```
Returns the closest power-of-two number greater than or equal to x.

Parameters:

x - input value

Returns:

the closest power-of-two number greater than or equal to x

prevPow2
```
public static int prevPow2(int x)
```
Returns the closest power-of-two number less than or equal to x.

Parameters:

x - input value

Returns:

the closest power-of-two number less then or equal to x

prevPow2
```
public static long prevPow2(long x)
```
Returns the closest power-of-two number less than or equal to x.

Parameters:

x - input value

Returns:

the closest power-of-two number less then or equal to x

isPowerOf2
```
public static boolean isPowerOf2(int x)
```
Checks if x is a power-of-two number.

Parameters:

x - input value

Returns:

true if x is a power-of-two number

isPowerOf2
```
public static boolean isPowerOf2(long x)
```
Checks if x is a power-of-two number.

Parameters:

x - input value

Returns:

true if x is a power-of-two number

getReminder

public static long getReminder(long n,
                               int[] factors)

makeipt

public static void makeipt(int nw,
                           int[] ip)

makeipt

public static void makeipt(long nw,
                           pl.edu.icm.jlargearrays.LongLargeArray ipl)

makewt

public static void makewt(int nw,
                          int[] ip,
                          double[] w)

makewt

public static void makewt(long nw,
                          pl.edu.icm.jlargearrays.LongLargeArray ipl,
                          pl.edu.icm.jlargearrays.DoubleLargeArray wl)

makect

public static void makect(int nc,
                          double[] c,
                          int startc,
                          int[] ip)

makect

public static void makect(long nc,
                          pl.edu.icm.jlargearrays.DoubleLargeArray c,
                          long startc,
                          pl.edu.icm.jlargearrays.LongLargeArray ipl)

makect

public static void makect(int nc,
                          float[] c,
                          int startc,
                          int[] ip)

makect

public static void makect(long nc,
                          pl.edu.icm.jlargearrays.FloatLargeArray c,
                          long startc,
                          pl.edu.icm.jlargearrays.LongLargeArray ipl)

makewt

public static void makewt(int nw,
                          int[] ip,
                          float[] w)

makewt

public static void makewt(long nw,
                          pl.edu.icm.jlargearrays.LongLargeArray ipl,
                          pl.edu.icm.jlargearrays.FloatLargeArray wl)

cftfsub

public static void cftfsub(int n,
                           double[] a,
                           int offa,
                           int[] ip,
                           int nw,
                           double[] w)

cftfsub

public static void cftfsub(long n,
                           pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.LongLargeArray ip,
                           long nw,
                           pl.edu.icm.jlargearrays.DoubleLargeArray w)

cftbsub

public static void cftbsub(int n,
                           double[] a,
                           int offa,
                           int[] ip,
                           int nw,
                           double[] w)

cftbsub

public static void cftbsub(long n,
                           pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.LongLargeArray ip,
                           long nw,
                           pl.edu.icm.jlargearrays.DoubleLargeArray w)

bitrv2

public static void bitrv2(int n,
                          int[] ip,
                          double[] a,
                          int offa)

bitrv2l

public static void bitrv2l(long n,
                           pl.edu.icm.jlargearrays.LongLargeArray ip,
                           pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa)

bitrv2conj

public static void bitrv2conj(int n,
                              int[] ip,
                              double[] a,
                              int offa)

bitrv2conj

public static void bitrv2conj(long n,
                              pl.edu.icm.jlargearrays.LongLargeArray ip,
                              pl.edu.icm.jlargearrays.DoubleLargeArray a,
                              long offa)

bitrv216

public static void bitrv216(double[] a,
                            int offa)

bitrv216

public static void bitrv216(pl.edu.icm.jlargearrays.DoubleLargeArray a,
                            long offa)

bitrv216neg

public static void bitrv216neg(double[] a,
                               int offa)

bitrv216neg

public static void bitrv216neg(pl.edu.icm.jlargearrays.DoubleLargeArray a,
                               long offa)

bitrv208

public static void bitrv208(double[] a,
                            int offa)

bitrv208

public static void bitrv208(pl.edu.icm.jlargearrays.DoubleLargeArray a,
                            long offa)

bitrv208neg

public static void bitrv208neg(double[] a,
                               int offa)

bitrv208neg

public static void bitrv208neg(pl.edu.icm.jlargearrays.DoubleLargeArray a,
                               long offa)

cftf1st

public static void cftf1st(int n,
                           double[] a,
                           int offa,
                           double[] w,
                           int startw)

cftf1st

public static void cftf1st(long n,
                           pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.DoubleLargeArray w,
                           long startw)

cftb1st

public static void cftb1st(int n,
                           double[] a,
                           int offa,
                           double[] w,
                           int startw)

cftb1st

public static void cftb1st(long n,
                           pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.DoubleLargeArray w,
                           long startw)

cftrec4_th

public static void cftrec4_th(int n,
                              double[] a,
                              int offa,
                              int nw,
                              double[] w)

cftrec4_th

public static void cftrec4_th(long n,
                              pl.edu.icm.jlargearrays.DoubleLargeArray a,
                              long offa,
                              long nw,
                              pl.edu.icm.jlargearrays.DoubleLargeArray w)

cftrec4

public static void cftrec4(int n,
                           double[] a,
                           int offa,
                           int nw,
                           double[] w)

cftrec4

public static void cftrec4(long n,
                           pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa,
                           long nw,
                           pl.edu.icm.jlargearrays.DoubleLargeArray w)

cfttree

public static int cfttree(int n,
                          int j,
                          int k,
                          double[] a,
                          int offa,
                          int nw,
                          double[] w)

cfttree

public static long cfttree(long n,
                           long j,
                           long k,
                           pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa,
                           long nw,
                           pl.edu.icm.jlargearrays.DoubleLargeArray w)

cftleaf

public static void cftleaf(int n,
                           int isplt,
                           double[] a,
                           int offa,
                           int nw,
                           double[] w)

cftleaf

public static void cftleaf(long n,
                           long isplt,
                           pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa,
                           long nw,
                           pl.edu.icm.jlargearrays.DoubleLargeArray w)

cftmdl1

public static void cftmdl1(int n,
                           double[] a,
                           int offa,
                           double[] w,
                           int startw)

cftmdl1

public static void cftmdl1(long n,
                           pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.DoubleLargeArray w,
                           long startw)

cftmdl2

public static void cftmdl2(int n,
                           double[] a,
                           int offa,
                           double[] w,
                           int startw)

cftmdl2

public static void cftmdl2(long n,
                           pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.DoubleLargeArray w,
                           long startw)

cftfx41

public static void cftfx41(int n,
                           double[] a,
                           int offa,
                           int nw,
                           double[] w)

cftfx41

public static void cftfx41(long n,
                           pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa,
                           long nw,
                           pl.edu.icm.jlargearrays.DoubleLargeArray w)

cftf161

public static void cftf161(double[] a,
                           int offa,
                           double[] w,
                           int startw)

cftf161

public static void cftf161(pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.DoubleLargeArray w,
                           long startw)

cftf162

public static void cftf162(double[] a,
                           int offa,
                           double[] w,
                           int startw)

cftf162

public static void cftf162(pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.DoubleLargeArray w,
                           long startw)

cftf081

public static void cftf081(double[] a,
                           int offa,
                           double[] w,
                           int startw)

cftf081

public static void cftf081(pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.DoubleLargeArray w,
                           long startw)

cftf082

public static void cftf082(double[] a,
                           int offa,
                           double[] w,
                           int startw)

cftf082

public static void cftf082(pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.DoubleLargeArray w,
                           long startw)

cftf040

public static void cftf040(double[] a,
                           int offa)

cftf040

public static void cftf040(pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa)

cftb040

public static void cftb040(double[] a,
                           int offa)

cftb040

public static void cftb040(pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa)

cftx020

public static void cftx020(double[] a,
                           int offa)

cftx020

public static void cftx020(pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa)

cftxb020

public static void cftxb020(double[] a,
                            int offa)

cftxb020

public static void cftxb020(pl.edu.icm.jlargearrays.DoubleLargeArray a,
                            long offa)

cftxc020

public static void cftxc020(double[] a,
                            int offa)

cftxc020

public static void cftxc020(pl.edu.icm.jlargearrays.DoubleLargeArray a,
                            long offa)

rftfsub

public static void rftfsub(int n,
                           double[] a,
                           int offa,
                           int nc,
                           double[] c,
                           int startc)

rftfsub

public static void rftfsub(long n,
                           pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa,
                           long nc,
                           pl.edu.icm.jlargearrays.DoubleLargeArray c,
                           long startc)

rftbsub

public static void rftbsub(int n,
                           double[] a,
                           int offa,
                           int nc,
                           double[] c,
                           int startc)

rftbsub

public static void rftbsub(long n,
                           pl.edu.icm.jlargearrays.DoubleLargeArray a,
                           long offa,
                           long nc,
                           pl.edu.icm.jlargearrays.DoubleLargeArray c,
                           long startc)

dctsub

public static void dctsub(int n,
                          double[] a,
                          int offa,
                          int nc,
                          double[] c,
                          int startc)

dctsub

public static void dctsub(long n,
                          pl.edu.icm.jlargearrays.DoubleLargeArray a,
                          long offa,
                          long nc,
                          pl.edu.icm.jlargearrays.DoubleLargeArray c,
                          long startc)

cftfsub

public static void cftfsub(int n,
                           float[] a,
                           int offa,
                           int[] ip,
                           int nw,
                           float[] w)

cftfsub

public static void cftfsub(long n,
                           pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.LongLargeArray ip,
                           long nw,
                           pl.edu.icm.jlargearrays.FloatLargeArray w)

cftbsub

public static void cftbsub(int n,
                           float[] a,
                           int offa,
                           int[] ip,
                           int nw,
                           float[] w)

cftbsub

public static void cftbsub(long n,
                           pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.LongLargeArray ip,
                           long nw,
                           pl.edu.icm.jlargearrays.FloatLargeArray w)

bitrv2

public static void bitrv2(int n,
                          int[] ip,
                          float[] a,
                          int offa)

bitrv2l

public static void bitrv2l(long n,
                           pl.edu.icm.jlargearrays.LongLargeArray ip,
                           pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa)

bitrv2conj

public static void bitrv2conj(int n,
                              int[] ip,
                              float[] a,
                              int offa)

bitrv2conj

public static void bitrv2conj(long n,
                              pl.edu.icm.jlargearrays.LongLargeArray ip,
                              pl.edu.icm.jlargearrays.FloatLargeArray a,
                              long offa)

bitrv216

public static void bitrv216(float[] a,
                            int offa)

bitrv216

public static void bitrv216(pl.edu.icm.jlargearrays.FloatLargeArray a,
                            long offa)

bitrv216neg

public static void bitrv216neg(float[] a,
                               int offa)

bitrv216neg

public static void bitrv216neg(pl.edu.icm.jlargearrays.FloatLargeArray a,
                               long offa)

bitrv208

public static void bitrv208(float[] a,
                            int offa)

bitrv208

public static void bitrv208(pl.edu.icm.jlargearrays.FloatLargeArray a,
                            long offa)

bitrv208neg

public static void bitrv208neg(float[] a,
                               int offa)

bitrv208neg

public static void bitrv208neg(pl.edu.icm.jlargearrays.FloatLargeArray a,
                               long offa)

cftf1st

public static void cftf1st(int n,
                           float[] a,
                           int offa,
                           float[] w,
                           int startw)

cftf1st

public static void cftf1st(long n,
                           pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.FloatLargeArray w,
                           long startw)

cftb1st

public static void cftb1st(int n,
                           float[] a,
                           int offa,
                           float[] w,
                           int startw)

cftb1st

public static void cftb1st(long n,
                           pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.FloatLargeArray w,
                           long startw)

cftrec4_th

public static void cftrec4_th(int n,
                              float[] a,
                              int offa,
                              int nw,
                              float[] w)

cftrec4_th

public static void cftrec4_th(long n,
                              pl.edu.icm.jlargearrays.FloatLargeArray a,
                              long offa,
                              long nw,
                              pl.edu.icm.jlargearrays.FloatLargeArray w)

cftrec4

public static void cftrec4(int n,
                           float[] a,
                           int offa,
                           int nw,
                           float[] w)

cftrec4

public static void cftrec4(long n,
                           pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa,
                           long nw,
                           pl.edu.icm.jlargearrays.FloatLargeArray w)

cfttree

public static int cfttree(int n,
                          int j,
                          int k,
                          float[] a,
                          int offa,
                          int nw,
                          float[] w)

cfttree

public static long cfttree(long n,
                           long j,
                           long k,
                           pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa,
                           long nw,
                           pl.edu.icm.jlargearrays.FloatLargeArray w)

cftleaf

public static void cftleaf(int n,
                           int isplt,
                           float[] a,
                           int offa,
                           int nw,
                           float[] w)

cftleaf

public static void cftleaf(long n,
                           long isplt,
                           pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa,
                           long nw,
                           pl.edu.icm.jlargearrays.FloatLargeArray w)

cftmdl1

public static void cftmdl1(int n,
                           float[] a,
                           int offa,
                           float[] w,
                           int startw)

cftmdl1

public static void cftmdl1(long n,
                           pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.FloatLargeArray w,
                           long startw)

cftmdl2

public static void cftmdl2(int n,
                           float[] a,
                           int offa,
                           float[] w,
                           int startw)

cftmdl2

public static void cftmdl2(long n,
                           pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.FloatLargeArray w,
                           long startw)

cftfx41

public static void cftfx41(int n,
                           float[] a,
                           int offa,
                           int nw,
                           float[] w)

cftfx41

public static void cftfx41(long n,
                           pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa,
                           long nw,
                           pl.edu.icm.jlargearrays.FloatLargeArray w)

cftf161

public static void cftf161(float[] a,
                           int offa,
                           float[] w,
                           int startw)

cftf161

public static void cftf161(pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.FloatLargeArray w,
                           long startw)

cftf162

public static void cftf162(float[] a,
                           int offa,
                           float[] w,
                           int startw)

cftf162

public static void cftf162(pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.FloatLargeArray w,
                           long startw)

cftf081

public static void cftf081(float[] a,
                           int offa,
                           float[] w,
                           int startw)

cftf081

public static void cftf081(pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.FloatLargeArray w,
                           long startw)

cftf082

public static void cftf082(float[] a,
                           int offa,
                           float[] w,
                           int startw)

cftf082

public static void cftf082(pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa,
                           pl.edu.icm.jlargearrays.FloatLargeArray w,
                           long startw)

cftf040

public static void cftf040(float[] a,
                           int offa)

cftf040

public static void cftf040(pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa)

cftb040

public static void cftb040(float[] a,
                           int offa)

cftb040

public static void cftb040(pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa)

cftx020

public static void cftx020(float[] a,
                           int offa)

cftx020

public static void cftx020(pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa)

cftxb020

public static void cftxb020(float[] a,
                            int offa)

cftxb020

public static void cftxb020(pl.edu.icm.jlargearrays.FloatLargeArray a,
                            long offa)

cftxc020

public static void cftxc020(float[] a,
                            int offa)

cftxc020

public static void cftxc020(pl.edu.icm.jlargearrays.FloatLargeArray a,
                            long offa)

rftfsub

public static void rftfsub(int n,
                           float[] a,
                           int offa,
                           int nc,
                           float[] c,
                           int startc)

rftfsub

public static void rftfsub(long n,
                           pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa,
                           long nc,
                           pl.edu.icm.jlargearrays.FloatLargeArray c,
                           long startc)

rftbsub

public static void rftbsub(int n,
                           float[] a,
                           int offa,
                           int nc,
                           float[] c,
                           int startc)

rftbsub

public static void rftbsub(long n,
                           pl.edu.icm.jlargearrays.FloatLargeArray a,
                           long offa,
                           long nc,
                           pl.edu.icm.jlargearrays.FloatLargeArray c,
                           long startc)

dctsub

public static void dctsub(int n,
                          float[] a,
                          int offa,
                          int nc,
                          float[] c,
                          int startc)

dctsub

public static void dctsub(long n,
                          pl.edu.icm.jlargearrays.FloatLargeArray a,
                          long offa,
                          long nc,
                          pl.edu.icm.jlargearrays.FloatLargeArray c,
                          long startc)

scale

public static void scale(int n,
                         double m,
                         double[] a,
                         int offa,
                         boolean complex)

scale

public static void scale(long nl,
                         double m,
                         pl.edu.icm.jlargearrays.DoubleLargeArray a,
                         long offa,
                         boolean complex)

scale

public static void scale(int n,
                         float m,
                         float[] a,
                         int offa,
                         boolean complex)

scale

public static void scale(long nl,
                         float m,
                         pl.edu.icm.jlargearrays.FloatLargeArray a,
                         long offa,
                         boolean complex)

Class CommonUtils

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

CommonUtils

Method Detail

sleep

getThreadsBeginN_1D_FFT_2Threads

getThreadsBeginN_1D_FFT_4Threads

getThreadsBeginN_2D

getThreadsBeginN_3D

setThreadsBeginN_1D_FFT_2Threads

setThreadsBeginN_1D_FFT_4Threads

setThreadsBeginN_2D

setThreadsBeginN_3D

resetThreadsBeginN_FFT

resetThreadsBeginN

isUseLargeArrays

setUseLargeArrays

nextPow2

nextPow2

prevPow2

prevPow2

isPowerOf2

isPowerOf2

getReminder

makeipt

makeipt

makewt

makewt

makect

makect

makect

makect

makewt

makewt

cftfsub

cftfsub

cftbsub

cftbsub

bitrv2

bitrv2l

bitrv2conj

bitrv2conj

bitrv216

bitrv216

bitrv216neg

bitrv216neg

bitrv208

bitrv208

bitrv208neg

bitrv208neg

cftf1st

cftf1st

cftb1st

cftb1st

cftrec4_th

cftrec4_th

cftrec4

cftrec4

cfttree

cfttree

cftleaf

cftleaf

cftmdl1

cftmdl1

cftmdl2

cftmdl2

cftfx41

cftfx41

cftf161

cftf161

cftf162

cftf162

cftf081

cftf081

cftf082

cftf082

cftf040