hex.tree.xgboost.matrix

Class SparseMatrixDimensions

java.lang.Object

hex.tree.xgboost.matrix.SparseMatrixDimensions

public final class SparseMatrixDimensions
extends java.lang.Object

Dimensions of a Sparse Matrix

Field Summary

Fields

Modifier and Type	Field and Description
long	_nonZeroElementsCount
long[]	_precedingNonZeroElementsCounts
int[]	_precedingRowCounts
int	_rowHeadersCount

Constructor Summary

Constructors

Constructor and Description
SparseMatrixDimensions(int[] nonZeroElementsCounts, int[] rowIndicesCounts) Constructs an instance of SparseMatrixDimensions

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

_precedingRowCounts

public final int[] _precedingRowCounts

_precedingNonZeroElementsCounts

public final long[] _precedingNonZeroElementsCounts

_nonZeroElementsCount

public final long _nonZeroElementsCount

_rowHeadersCount

public final int _rowHeadersCount

Constructor Detail

SparseMatrixDimensions

public SparseMatrixDimensions(int[] nonZeroElementsCounts,
                              int[] rowIndicesCounts)

Constructs an instance of SparseMatrixDimensions

Parameters:

nonZeroElementsCounts - Number of non-zero elements (number of elements in sparse matrix). Also number of column indices.

rowIndicesCounts - Number of indices of elements rows begin with