Package org.apache.sysds.runtime.matrix.data

Class RandomMatrixGenerator

java.lang.Object

org.apache.sysds.runtime.matrix.data.RandomMatrixGenerator

public class RandomMatrixGenerator
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	RandomMatrixGenerator.PDF	Types of Probability density functions

Constructor Summary

Constructors

Constructor	Description
RandomMatrixGenerator()
RandomMatrixGenerator(String pdfStr, int r, int c, int blen, double sp, double min, double max)	Instantiates a Random number generator
RandomMatrixGenerator(RandomMatrixGenerator.PDF pdf, int r, int c, int blen, double sp)	Instantiates a Random number generator
RandomMatrixGenerator(RandomMatrixGenerator.PDF pdf, int r, int c, int blen, double sp, double min, double max)	Instantiates a Random number generator
RandomMatrixGenerator(RandomMatrixGenerator.PDF pdf, int r, int c, int blen, double sp, double min, double max, double mean)	Instantiates a Random number generator with a specific poisson mean

Method Summary

Modifier and Type	Method	Description
void	init(RandomMatrixGenerator.PDF pdf, int r, int c, int blen, double sp, double min, double max)	Initializes internal data structures.
void	init(RandomMatrixGenerator.PDF pdf, int r, int c, int blen, double sp, double min, double max, double mean)	Instantiates a Random number generator with a specific poisson mean
boolean	isFullyDense()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomMatrixGenerator

public RandomMatrixGenerator()

RandomMatrixGenerator

public RandomMatrixGenerator(RandomMatrixGenerator.PDF pdf,
                             int r,
                             int c,
                             int blen,
                             double sp)

Instantiates a Random number generator

Parameters:

pdf - probability density function

r - number of rows

c - number of columns

blen - rows/cols per block

sp - sparsity (0 = completely sparse, 1 = completely dense)

RandomMatrixGenerator

public RandomMatrixGenerator(String pdfStr,
                             int r,
                             int c,
                             int blen,
                             double sp,
                             double min,
                             double max)

Instantiates a Random number generator

Parameters:

pdfStr - probability density function

r - number of rows

c - number of columns

blen - rows/cols per block

sp - sparsity (0 = completely sparse, 1 = completely dense)

min - minimum of range of random numbers

max - maximum of range of random numbers

RandomMatrixGenerator

public RandomMatrixGenerator(RandomMatrixGenerator.PDF pdf,
                             int r,
                             int c,
                             int blen,
                             double sp,
                             double min,
                             double max)

Instantiates a Random number generator

Parameters:

pdf - probability density function

r - number of rows

c - number of columns

blen - rows/cols per block

sp - sparsity (0 = completely sparse, 1 = completely dense)

min - minimum of range of random numbers

max - maximum of range of random numbers

RandomMatrixGenerator

public RandomMatrixGenerator(RandomMatrixGenerator.PDF pdf,
                             int r,
                             int c,
                             int blen,
                             double sp,
                             double min,
                             double max,
                             double mean)

Instantiates a Random number generator with a specific poisson mean

Parameters:

pdf - probability density function

r - number of rows

c - number of columns

blen - rows/cols per block

sp - sparsity (0 = completely sparse, 1 = completely dense)

min - minimum of range of random numbers

max - maximum of range of random numbers

mean - the poisson mean

Method Detail

isFullyDense

public boolean isFullyDense()

init

public void init(RandomMatrixGenerator.PDF pdf,
                 int r,
                 int c,
                 int blen,
                 double sp,
                 double min,
                 double max)

Initializes internal data structures. Called by Constructor

Parameters:

pdf - probability density function

r - number of rows

c - number of columns

blen - rows/cols per block

sp - sparsity (0 = completely sparse, 1 = completely dense)

min - minimum of range of random numbers

max - maximum of range of random numbers

init

public void init(RandomMatrixGenerator.PDF pdf,
                 int r,
                 int c,
                 int blen,
                 double sp,
                 double min,
                 double max,
                 double mean)

Instantiates a Random number generator with a specific poisson mean

Parameters:

pdf - probability density function

r - number of rows

c - number of columns

blen - rows/cols per block

sp - sparsity (0 = completely sparse, 1 = completely dense)

min - minimum of range of random numbers

max - maximum of range of random numbers

mean - the poisson mean

toString

public String toString()

Overrides:

toString in class Object