signalproc.algorithms

Class FFTWLibrary

java.lang.Object

signalproc.algorithms.FFTWLibrary

public class FFTWLibrary
extends java.lang.Object

Created by IntelliJ IDEA. User: spxrpd Date: 02-Jun-2003 Time: 10:36:31 To change this template use Options | File Templates.

Constructor Summary

Constructors

Constructor and Description
FFTWLibrary()

Method Summary

Methods

Modifier and Type	Method and Description
java.util.ArrayList	complexNdFWTransform(double[] real, double[] imag)
jfftw.complex.nd.Plan	complexNdPlan(int[] dim, boolean forward, int type)
jfftw.complex.Plan	complexPlan(int dim, boolean forward, int type)
java.util.ArrayList	complexTransform(double[] real, double[] imag)
static double[]	flattenArray(double[][] data)
static boolean	isOdd(int i)
void	jfftw_complex_n_Plan()
void	jfftw_complex_Plan()
void	jfftw_real_n_Plan()
void	jfftw_real_Plan()
static double[]	merge(double[] real, double[] imag)
static double[]	merge2(double[] real, double[] imag)
static double[]	merge3(double[] real, double[] imag, boolean odd)
static double[]	merge4(double[] real, double[] imag)
static int	mergeLength(double[] real, double[] imag)
jfftw.real.nd.Plan	realNdPlan(int[] dim, boolean forward, int type)
java.util.ArrayList	realNdTransform(double[] data, boolean forward)
jfftw.real.Plan	realPlan(int dim, boolean forward, int type)
jfftw.real.Plan	realPlanFW(int dim, int type)
jfftw.real.Plan	realPlanREV(int rdim, int idim, int type)
java.util.ArrayList	realTransform(double[] data, boolean forward)
java.util.ArrayList	realTransform(double[] real, double[] imag, boolean forward)
java.util.ArrayList	realTransformFW(double[] data)
java.util.ArrayList	realTransformREV(double[] real, double[] imag)
static double[]	reverseCutOffBeg(double[] data)
static double[]	reverseCutOffEnds(double[] data)
static java.util.ArrayList	separate(double[] data)
static java.util.ArrayList	separate2(double[] data, boolean odd)
static java.util.ArrayList	separate3(double[] data)
static double[][]	unflattenArray(double[] data, int col, int rows)

Methods inherited from class java.lang.Object

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

Constructor Detail

FFTWLibrary

public FFTWLibrary()

Method Detail

realPlan

public jfftw.real.Plan realPlan(int dim,
                       boolean forward,
                       int type)

Parameters:

dim -

forward - - perform a forward transform or not

Returns:

realPlanFW

public jfftw.real.Plan realPlanFW(int dim,
                         int type)

realPlanREV

public jfftw.real.Plan realPlanREV(int rdim,
                          int idim,
                          int type)

realTransformFW

public java.util.ArrayList realTransformFW(double[] data)

realTransformREV

public java.util.ArrayList realTransformREV(double[] real,
                                   double[] imag)

realTransform

public java.util.ArrayList realTransform(double[] data,
                                boolean forward)

realTransform

public java.util.ArrayList realTransform(double[] real,
                                double[] imag,
                                boolean forward)

jfftw_real_Plan

public void jfftw_real_Plan()

realNdPlan

public jfftw.real.nd.Plan realNdPlan(int[] dim,
                            boolean forward,
                            int type)

realNdTransform

public java.util.ArrayList realNdTransform(double[] data,
                                  boolean forward)

jfftw_real_n_Plan

public void jfftw_real_n_Plan()

complexPlan

public jfftw.complex.Plan complexPlan(int dim,
                             boolean forward,
                             int type)

complexTransform

public java.util.ArrayList complexTransform(double[] real,
                                   double[] imag)

jfftw_complex_Plan

public void jfftw_complex_Plan()

complexNdPlan

public jfftw.complex.nd.Plan complexNdPlan(int[] dim,
                                  boolean forward,
                                  int type)

complexNdFWTransform

public java.util.ArrayList complexNdFWTransform(double[] real,
                                       double[] imag)

jfftw_complex_n_Plan

public void jfftw_complex_n_Plan()

merge

public static double[] merge(double[] real,
             double[] imag)

merge2

public static double[] merge2(double[] real,
              double[] imag)

merge3

public static double[] merge3(double[] real,
              double[] imag,
              boolean odd)

isOdd

public static boolean isOdd(int i)

mergeLength

public static int mergeLength(double[] real,
              double[] imag)

merge4

public static double[] merge4(double[] real,
              double[] imag)

reverseCutOffEnds

public static double[] reverseCutOffEnds(double[] data)

reverseCutOffBeg

public static double[] reverseCutOffBeg(double[] data)

separate

public static java.util.ArrayList separate(double[] data)

separate2

public static java.util.ArrayList separate2(double[] data,
                            boolean odd)

separate3

public static java.util.ArrayList separate3(double[] data)

flattenArray

public static double[] flattenArray(double[][] data)

unflattenArray

public static double[][] unflattenArray(double[] data,
                        int col,
                        int rows)