Package org.apache.sysds.runtime.compress.lib

Class CLALibRemoveEmpty

java.lang.Object

org.apache.sysds.runtime.compress.lib.CLALibRemoveEmpty

public class CLALibRemoveEmpty
extends Object

Constructor Summary

Constructors

Constructor	Description
CLALibRemoveEmpty()

Method Summary

Modifier and Type	Method	Description
static MatrixBlock	rmempty(CompressedMatrixBlock in, MatrixBlock ret, boolean rows, boolean emptyReturn, MatrixBlock select)	CP rmempty operation (single input, single output matrix)

Methods inherited from class java.lang.Object

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

Constructor Details

CLALibRemoveEmpty

public CLALibRemoveEmpty()

Method Details

rmempty

public static MatrixBlock rmempty(CompressedMatrixBlock in,
 MatrixBlock ret,
 boolean rows,
 boolean emptyReturn,
 MatrixBlock select)

CP rmempty operation (single input, single output matrix)

Parameters:

in - The input matrix

ret - The output matrix

rows - If we are removing based on rows, or columns.

emptyReturn - Return row/column of zeros for empty input.

select - An optional selection vector, to remove based on rather than empty rows or columns

Returns:

The result MatrixBlock, can be a different object that the caller used.