math.jtransforms
Class IOUtils

java.lang.Object
  math.jtransforms.IOUtils

public class IOUtils
extends java.lang.Object

I/O utilities.

Author:

Piotr Wendykier (piotr.wendykier@gmail.com)

Method Summary

static void	fillMatrix_1D(int N, double[] m) Fills 1D matrix with random numbers.
static void	fillMatrix_1D(int N, float[] m) Fills 1D matrix with random numbers.
static void	fillMatrix_2D(int n1, int n2, double[] m) Fills 2D matrix with random numbers.
static void	fillMatrix_2D(int n1, int n2, double[][] m) Fills 2D matrix with random numbers.
static void	fillMatrix_2D(int n1, int n2, float[] m) Fills 2D matrix with random numbers.
static void	fillMatrix_2D(int n1, int n2, float[][] m) Fills 2D matrix with random numbers.
static void	fillMatrix_3D(int n1, int n2, int n3, double[] m) Fills 3D matrix with random numbers.
static void	fillMatrix_3D(int n1, int n2, int n3, double[][][] m) Fills 3D matrix with random numbers.
static void	fillMatrix_3D(int n1, int n2, int n3, float[] m) Fills 3D matrix with random numbers.
static void	fillMatrix_3D(int n1, int n2, int n3, float[][][] m) Fills 3D matrix with random numbers.
static void	showComplex_1D(double[] x, java.lang.String title) Displays elements of x, assuming that it is 1D complex array.
static void	showComplex_2D(int rows, int columns, double[] x, java.lang.String title) Displays elements of x, assuming that it is 2D complex array.
static void	showComplex_3D(int n1, int n2, int n3, double[][][] x, java.lang.String title) Displays elements of x.
static void	showComplex_3D(int n1, int n2, int n3, double[] x, java.lang.String title) Displays elements of x, assuming that it is 3D complex array.
static void	showComplex_3D(int n1, int n2, int n3, float[] x, java.lang.String title) Displays elements of x, assuming that it is 3D complex array.
static void	showReal_1D(double[] x, java.lang.String title) Displays elements of x, assuming that it is 1D real array.
static void	showReal_2D(int n1, int n2, double[] x, java.lang.String title) Displays elements of x, assuming that it is 2D real array.
static void	showReal_3D(int n1, int n2, int n3, double[][][] x, java.lang.String title) Displays elements of x.
static void	showReal_3D(int n1, int n2, int n3, double[] x, java.lang.String title) Displays elements of x, assuming that it is 3D real array.
static void	writeFFTBenchmarkResultsToFile(java.lang.String filename, int nthread, int niter, boolean doWarmup, boolean doScaling, int[] sizes, double[] times) Saves benchmark results in a file.
static void	writeToFileComplex_1D(double[] x, java.lang.String filename) Saves elements of x in a file filename, assuming that it is 1D complex array.
static void	writeToFileComplex_1D(float[] x, java.lang.String filename) Saves elements of x in a file filename, assuming that it is 1D complex array.
static void	writeToFileComplex_2D(int n1, int n2, double[][] x, java.lang.String filename) Saves elements of x in a file filename.
static void	writeToFileComplex_2D(int n1, int n2, double[] x, java.lang.String filename) Saves elements of x in a file filename, assuming that it is 2D complex array.
static void	writeToFileComplex_2D(int n1, int n2, float[] x, java.lang.String filename) Saves elements of x in a file filename, assuming that it is 2D complex array.
static void	writeToFileComplex_3D(int n1, int n2, int n3, double[][][] x, java.lang.String filename) Saves elements of x in a file filename.
static void	writeToFileComplex_3D(int n1, int n2, int n3, double[] x, java.lang.String filename) Saves elements of x in a file filename, assuming that it is 3D complex array.
static void	writeToFileReal_1D(double[] x, java.lang.String filename) Saves elements of x in a file filename, assuming that it is 2D real array.
static void	writeToFileReal_1D(float[] x, java.lang.String filename) Saves elements of x in a file filename, assuming that it is 2D real array.
static void	writeToFileReal_2D(int n1, int n2, double[] x, java.lang.String filename) Saves elements of x in a file filename, assuming that it is 2D real array.
static void	writeToFileReal_2D(int n1, int n2, float[] x, java.lang.String filename) Saves elements of x in a file filename, assuming that it is 2D real array.
static void	writeToFileReal_3D(int n1, int n2, int n3, double[] x, java.lang.String filename) Saves elements of x in a file filename, assuming that it is 3D real array.

Methods inherited from class java.lang.Object

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

Method Detail

fillMatrix_1D

public static void fillMatrix_1D(int N,
                                 double[] m)

Fills 1D matrix with random numbers.

Parameters:

N - size

m - 1D matrix

fillMatrix_1D

public static void fillMatrix_1D(int N,
                                 float[] m)

Fills 1D matrix with random numbers.

Parameters:

N - size

m - 1D matrix

fillMatrix_2D

public static void fillMatrix_2D(int n1,
                                 int n2,
                                 double[] m)

Fills 2D matrix with random numbers.

Parameters:

n1 - rows

n2 - columns

m - 2D matrix

fillMatrix_2D

public static void fillMatrix_2D(int n1,
                                 int n2,
                                 float[] m)

Fills 2D matrix with random numbers.

Parameters:

n1 - rows

n2 - columns

m - 2D matrix

fillMatrix_2D

public static void fillMatrix_2D(int n1,
                                 int n2,
                                 double[][] m)

Fills 2D matrix with random numbers.

Parameters:

n1 - rows

n2 - columns

m - 2D matrix

fillMatrix_2D

public static void fillMatrix_2D(int n1,
                                 int n2,
                                 float[][] m)

Fills 2D matrix with random numbers.

Parameters:

n1 - rows

n2 - columns

m - 2D matrix

fillMatrix_3D

public static void fillMatrix_3D(int n1,
                                 int n2,
                                 int n3,
                                 double[] m)

Fills 3D matrix with random numbers.

Parameters:

n1 - slices

n2 - rows

n3 - columns

m - 3D matrix

fillMatrix_3D

public static void fillMatrix_3D(int n1,
                                 int n2,
                                 int n3,
                                 float[] m)

Fills 3D matrix with random numbers.

Parameters:

n1 - slices

n2 - rows

n3 - columns

m - 3D matrix

fillMatrix_3D

public static void fillMatrix_3D(int n1,
                                 int n2,
                                 int n3,
                                 double[][][] m)

Fills 3D matrix with random numbers.

Parameters:

n1 - slices

n2 - rows

n3 - columns

m - 3D matrix

fillMatrix_3D

public static void fillMatrix_3D(int n1,
                                 int n2,
                                 int n3,
                                 float[][][] m)

Fills 3D matrix with random numbers.

Parameters:

n1 - slices

n2 - rows

n3 - columns

m - 3D matrix

showComplex_1D

public static void showComplex_1D(double[] x,
                                  java.lang.String title)

Displays elements of x, assuming that it is 1D complex array. Complex data is represented by 2 double values in sequence: the real and imaginary parts.

Parameters:

x -

title -

showComplex_2D

public static void showComplex_2D(int rows,
                                  int columns,
                                  double[] x,
                                  java.lang.String title)

Displays elements of x, assuming that it is 2D complex array. Complex data is represented by 2 double values in sequence: the real and imaginary parts.

Parameters:

rows -

columns -

x -

title -

showComplex_3D

public static void showComplex_3D(int n1,
                                  int n2,
                                  int n3,
                                  double[] x,
                                  java.lang.String title)

Displays elements of x, assuming that it is 3D complex array. Complex data is represented by 2 double values in sequence: the real and imaginary parts.

Parameters:

n1 -

n2 -

n3 -

x -

title -

showComplex_3D

public static void showComplex_3D(int n1,
                                  int n2,
                                  int n3,
                                  double[][][] x,
                                  java.lang.String title)

Displays elements of x. Complex data is represented by 2 double values in sequence: the real and imaginary parts.

Parameters:

n1 -

n2 -

n3 -

x -

title -

showComplex_3D

public static void showComplex_3D(int n1,
                                  int n2,
                                  int n3,
                                  float[] x,
                                  java.lang.String title)

Displays elements of x, assuming that it is 3D complex array. Complex data is represented by 2 double values in sequence: the real and imaginary parts.

Parameters:

n1 -

n2 -

n3 -

x -

title -

showReal_1D

public static void showReal_1D(double[] x,
                               java.lang.String title)

Displays elements of x, assuming that it is 1D real array.

Parameters:

x -

title -

showReal_2D

public static void showReal_2D(int n1,
                               int n2,
                               double[] x,
                               java.lang.String title)

Displays elements of x, assuming that it is 2D real array.

Parameters:

n1 -

n2 -

x -

title -

showReal_3D

public static void showReal_3D(int n1,
                               int n2,
                               int n3,
                               double[] x,
                               java.lang.String title)

Displays elements of x, assuming that it is 3D real array.

Parameters:

n1 -

n2 -

n3 -

x -

title -

showReal_3D

public static void showReal_3D(int n1,
                               int n2,
                               int n3,
                               double[][][] x,
                               java.lang.String title)

Displays elements of x.

Parameters:

n1 -

n2 -

n3 -

x -

title -

writeToFileComplex_1D

public static void writeToFileComplex_1D(double[] x,
                                         java.lang.String filename)

Saves elements of x in a file filename, assuming that it is 1D complex array. Complex data is represented by 2 double values in sequence: the real and imaginary parts.

Parameters:

x -

filename -

writeToFileComplex_1D

public static void writeToFileComplex_1D(float[] x,
                                         java.lang.String filename)

Saves elements of x in a file filename, assuming that it is 1D complex array. Complex data is represented by 2 double values in sequence: the real and imaginary parts.

Parameters:

x -

filename -

writeToFileComplex_2D

public static void writeToFileComplex_2D(int n1,
                                         int n2,
                                         double[] x,
                                         java.lang.String filename)

Saves elements of x in a file filename, assuming that it is 2D complex array. Complex data is represented by 2 double values in sequence: the real and imaginary parts.

Parameters:

n1 -

n2 -

x -

filename -

writeToFileComplex_2D

public static void writeToFileComplex_2D(int n1,
                                         int n2,
                                         float[] x,
                                         java.lang.String filename)

Saves elements of x in a file filename, assuming that it is 2D complex array. Complex data is represented by 2 double values in sequence: the real and imaginary parts.

Parameters:

n1 -

n2 -

x -

filename -

writeToFileComplex_2D

public static void writeToFileComplex_2D(int n1,
                                         int n2,
                                         double[][] x,
                                         java.lang.String filename)

Saves elements of x in a file filename. Complex data is represented by 2 double values in sequence: the real and imaginary parts.

Parameters:

n1 -

n2 -

x -

filename -

writeToFileComplex_3D

public static void writeToFileComplex_3D(int n1,
                                         int n2,
                                         int n3,
                                         double[] x,
                                         java.lang.String filename)

Saves elements of x in a file filename, assuming that it is 3D complex array. Complex data is represented by 2 double values in sequence: the real and imaginary parts.

Parameters:

n1 -

n2 -

n3 -

x -

filename -

writeToFileComplex_3D

public static void writeToFileComplex_3D(int n1,
                                         int n2,
                                         int n3,
                                         double[][][] x,
                                         java.lang.String filename)

Saves elements of x in a file filename. Complex data is represented by 2 double values in sequence: the real and imaginary parts.

Parameters:

n1 -

n2 -

n3 -

x -

filename -

writeToFileReal_1D

public static void writeToFileReal_1D(double[] x,
                                      java.lang.String filename)

Saves elements of x in a file filename, assuming that it is 2D real array.

Parameters:

x -

filename -

writeToFileReal_1D

public static void writeToFileReal_1D(float[] x,
                                      java.lang.String filename)

Saves elements of x in a file filename, assuming that it is 2D real array.

Parameters:

x -

filename -

writeToFileReal_2D

public static void writeToFileReal_2D(int n1,
                                      int n2,
                                      double[] x,
                                      java.lang.String filename)

Saves elements of x in a file filename, assuming that it is 2D real array.

Parameters:

n1 -

n2 -

x -

filename -

writeToFileReal_2D

public static void writeToFileReal_2D(int n1,
                                      int n2,
                                      float[] x,
                                      java.lang.String filename)

Saves elements of x in a file filename, assuming that it is 2D real array.

Parameters:

n1 -

n2 -

x -

filename -

writeToFileReal_3D

public static void writeToFileReal_3D(int n1,
                                      int n2,
                                      int n3,
                                      double[] x,
                                      java.lang.String filename)

Saves elements of x in a file filename, assuming that it is 3D real array.

Parameters:

n1 -

n2 -

n3 -

x -

filename -

writeFFTBenchmarkResultsToFile

public static void writeFFTBenchmarkResultsToFile(java.lang.String filename,
                                                  int nthread,
                                                  int niter,
                                                  boolean doWarmup,
                                                  boolean doScaling,
                                                  int[] sizes,
                                                  double[] times)

Saves benchmark results in a file.

Parameters:

filename -

nthread -

niter -

doWarmup -

doScaling -

times -

sizes -