org.jtransforms.utils

Class IOUtils

java.lang.Object

org.jtransforms.utils.IOUtils

public class IOUtils
extends java.lang.Object

I/O utilities.

Method Summary

Modifier and Type	Method and Description
static double	computeRMSE(double[][][] a, double[][][] b) Computes root mean square error between a and b.
static double	computeRMSE(double[][] a, double[][] b) Computes root mean square error between a and b.
static double	computeRMSE(double[] a, double[] b) Computes root mean square error between a and b.
static double	computeRMSE(double a, double b) Computes root mean square error between a and b.
static double	computeRMSE(DoubleLargeArray a, DoubleLargeArray b) Computes root mean square error between a and b.
static double	computeRMSE(float[][][] a, float[][][] b) Computes root mean square error between a and b.
static double	computeRMSE(float[][] a, float[][] b) Computes root mean square error between a and b.
static double	computeRMSE(float[] a, float[] b) Computes root mean square error between a and b.
static double	computeRMSE(float a, float b) Computes root mean square error between a and b.
static double	computeRMSE(FloatLargeArray a, FloatLargeArray b) Computes root mean square error between a and b.
static void	fillMatrix_1D(long N, double[] m) Fills 1D matrix with random numbers.
static void	fillMatrix_1D(long N, DoubleLargeArray m) Fills 1D matrix with random numbers.
static void	fillMatrix_1D(long N, float[] m) Fills 1D matrix with random numbers.
static void	fillMatrix_1D(long N, FloatLargeArray m) Fills 1D matrix with random numbers.
static void	fillMatrix_2D(long n1, long n2, double[] m) Fills 2D matrix with random numbers.
static void	fillMatrix_2D(long n1, long n2, double[][] m) Fills 2D matrix with random numbers.
static void	fillMatrix_2D(long n1, long n2, DoubleLargeArray m) Fills 2D matrix with random numbers.
static void	fillMatrix_2D(long n1, long n2, float[] m) Fills 2D matrix with random numbers.
static void	fillMatrix_2D(long n1, long n2, float[][] m) Fills 2D matrix with random numbers.
static void	fillMatrix_2D(long n1, long n2, FloatLargeArray m) Fills 2D matrix with random numbers.
static void	fillMatrix_3D(long n1, long n2, long n3, double[] m) Fills 3D matrix with random numbers.
static void	fillMatrix_3D(long n1, long n2, long n3, double[][][] m) Fills 3D matrix with random numbers.
static void	fillMatrix_3D(long n1, long n2, long n3, DoubleLargeArray m) Fills 3D matrix with random numbers.
static void	fillMatrix_3D(long n1, long n2, long n3, float[] m) Fills 3D matrix with random numbers.
static void	fillMatrix_3D(long n1, long n2, long n3, float[][][] m) Fills 3D matrix with random numbers.
static void	fillMatrix_3D(long n1, long n2, long n3, FloatLargeArray 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(double[][] x, java.lang.String title) Displays elements of x, assuming that it is 2D 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(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(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, long[] sizes, double[] times_without_constructor, double[] times_with_constructor) 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(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(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

computeRMSE

public static double computeRMSE(float a,
                                 float b)

Computes root mean square error between a and b.

Parameters:

a - input parameter

b - input parameter

Returns:

root mean squared error between a and b

computeRMSE

public static double computeRMSE(float[] a,
                                 float[] b)

Computes root mean square error between a and b.

Parameters:

a - input parameter

b - input parameter

Returns:

root mean squared error between a and b

computeRMSE

public static double computeRMSE(FloatLargeArray a,
                                 FloatLargeArray b)

Computes root mean square error between a and b.

Parameters:

a - input parameter

b - input parameter

Returns:

root mean squared error between a and b

computeRMSE

public static double computeRMSE(float[][] a,
                                 float[][] b)

Computes root mean square error between a and b.

Parameters:

a - input parameter

b - input parameter

Returns:

root mean squared error between a and b

computeRMSE

public static double computeRMSE(float[][][] a,
                                 float[][][] b)

Computes root mean square error between a and b.

Parameters:

a - input parameter

b - input parameter

Returns:

root mean squared error between a and b

computeRMSE

public static double computeRMSE(double a,
                                 double b)

Computes root mean square error between a and b.

Parameters:

a - input parameter

b - input parameter

Returns:

root mean squared error between a and b

computeRMSE

public static double computeRMSE(double[] a,
                                 double[] b)

Computes root mean square error between a and b.

Parameters:

a - input parameter

b - input parameter

Returns:

root mean squared error between a and b

computeRMSE

public static double computeRMSE(DoubleLargeArray a,
                                 DoubleLargeArray b)

Computes root mean square error between a and b.

Parameters:

a - input parameter

b - input parameter

Returns:

root mean squared error between a and b

computeRMSE

public static double computeRMSE(double[][] a,
                                 double[][] b)

Computes root mean square error between a and b.

Parameters:

a - input parameter

b - input parameter

Returns:

root mean squared error between a and b

computeRMSE

public static double computeRMSE(double[][][] a,
                                 double[][][] b)

Computes root mean square error between a and b.

Parameters:

a - input parameter

b - input parameter

Returns:

root mean squared error between a and b

fillMatrix_1D

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

Fills 1D matrix with random numbers.

Parameters:

N - size

m - 1D matrix

fillMatrix_1D

public static void fillMatrix_1D(long N,
                                 DoubleLargeArray m)

Fills 1D matrix with random numbers.

Parameters:

N - size

m - 1D matrix

fillMatrix_1D

public static void fillMatrix_1D(long N,
                                 FloatLargeArray m)

Fills 1D matrix with random numbers.

Parameters:

N - size

m - 1D matrix

fillMatrix_1D

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

Fills 1D matrix with random numbers.

Parameters:

N - size

m - 1D matrix

fillMatrix_2D

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

Fills 2D matrix with random numbers.

Parameters:

n1 - rows

n2 - columns

m - 2D matrix

fillMatrix_2D

public static void fillMatrix_2D(long n1,
                                 long n2,
                                 FloatLargeArray m)

Fills 2D matrix with random numbers.

Parameters:

n1 - rows

n2 - columns

m - 2D matrix

fillMatrix_2D

public static void fillMatrix_2D(long n1,
                                 long n2,
                                 DoubleLargeArray m)

Fills 2D matrix with random numbers.

Parameters:

n1 - rows

n2 - columns

m - 2D matrix

fillMatrix_2D

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

Fills 2D matrix with random numbers.

Parameters:

n1 - rows

n2 - columns

m - 2D matrix

fillMatrix_2D

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

Fills 2D matrix with random numbers.

Parameters:

n1 - rows

n2 - columns

m - 2D matrix

fillMatrix_2D

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

Fills 2D matrix with random numbers.

Parameters:

n1 - rows

n2 - columns

m - 2D matrix

fillMatrix_3D

public static void fillMatrix_3D(long n1,
                                 long n2,
                                 long 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(long n1,
                                 long n2,
                                 long n3,
                                 DoubleLargeArray m)

Fills 3D matrix with random numbers.

Parameters:

n1 - slices

n2 - rows

n3 - columns

m - 3D matrix

fillMatrix_3D

public static void fillMatrix_3D(long n1,
                                 long n2,
                                 long n3,
                                 FloatLargeArray m)

Fills 3D matrix with random numbers.

Parameters:

n1 - slices

n2 - rows

n3 - columns

m - 3D matrix

fillMatrix_3D

public static void fillMatrix_3D(long n1,
                                 long n2,
                                 long 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(long n1,
                                 long n2,
                                 long 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(long n1,
                                 long n2,
                                 long 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 - input array

title - title of the array

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 - number of rows in the input array

columns - number of columns in the input array

x - input array

title - title of the array

showComplex_2D

public static void showComplex_2D(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:

x - input array

title - title of the array

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 - first dimension

n2 - second dimension

n3 - third dimension

x - input array

title - title of the array

showComplex_3D

public static void showComplex_3D(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:

x - input array

title - title of the array

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 - first dimension

n2 - second dimension

n3 - third dimension

x - input array

title - title of the array

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 - input array

title - title of the array

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 - first dimension

n2 - second dimension

x - input array

title - title of the array

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 - first dimension

n2 - second dimension

n3 - third dimension

x - input array

title - title of the array

showReal_3D

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

Displays elements of x.

Parameters:

x - input array

title - title of the array

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 - input array

filename - finename

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 - input array

filename - finename

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 - first dimension

n2 - second dimension

x - input array

filename - finename

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 - first dimension

n2 - second dimension

x - input array

filename - finename

writeToFileComplex_2D

public static void writeToFileComplex_2D(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:

x - input array

filename - finename

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 - first dimension

n2 - second dimension

n3 - third dimension

x - input array

filename - finename

writeToFileComplex_3D

public static void writeToFileComplex_3D(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:

x - input array

filename - finename

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 - input array

filename - finename

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 - input array

filename - finename

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 - first dimension

n2 - second dimension

x - input array

filename - finename

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 - first dimension

n2 - second dimension

x - input array

filename - finename

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 - first dimension

n2 - second dimension

n3 - third dimension

x - input array

filename - finename

writeFFTBenchmarkResultsToFile

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

Saves benchmark results in a file.

Parameters:

filename - filename

nthread - number of threads

niter - number of iterations

doWarmup - if warmup was performed

doScaling - if scaling was performed

sizes - benchmarked sizes

times_without_constructor - timings excluding constructor

times_with_constructor - timings including constructor