org.apache.sysml.runtime.compress.utils

Class ConverterUtils

java.lang.Object

org.apache.sysml.runtime.compress.utils.ConverterUtils

public class ConverterUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
ConverterUtils()

Method Summary

Modifier and Type	Method and Description
static ColGroup	copyColGroup(ColGroup group) Copy col group instance with deep copy of column indices but shallow copy of actual contents;
static double[]	getDenseVector(MatrixBlock vector)
static MatrixBlock	getUncompressedColBlock(ColGroup group)

Methods inherited from class java.lang.Object

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

Constructor Detail

ConverterUtils

public ConverterUtils()

Method Detail

copyColGroup

public static ColGroup copyColGroup(ColGroup group)

Copy col group instance with deep copy of column indices but shallow copy of actual contents;

Parameters:

group - column group

Returns:

column group (deep copy of indices but shallow copy of contents)

getDenseVector

public static double[] getDenseVector(MatrixBlock vector)

getUncompressedColBlock

public static MatrixBlock getUncompressedColBlock(ColGroup group)