## Uses of Class
org.apache.sysds.runtime.compress.CompressedMatrixBlock

Packages that use CompressedMatrixBlock
org.apache.sysds.runtime.compress
org.apache.sysds.runtime.compress.cost
org.apache.sysds.runtime.compress.lib

### Uses of CompressedMatrixBlock in org.apache.sysds.runtime.compress

Methods in org.apache.sysds.runtime.compress that return CompressedMatrixBlock
`static CompressedMatrixBlock` CompressedMatrixBlockFactory.`createConstant​(int numRows, int numCols, double value)` Method for constructing a compressed matrix out of an constant input.
`static CompressedMatrixBlock` CompressedMatrixBlockFactory.`genUncompressedCompressedMatrixBlock​(MatrixBlock mb)` Generate a CompressedMatrixBlock Object that contains a single uncompressed matrix block column group.
`CompressedMatrixBlock` CompressedMatrixBlock.`squash​(int k)`

Constructors in org.apache.sysds.runtime.compress with parameters of type CompressedMatrixBlock
`CompressedMatrixBlock​(CompressedMatrixBlock that)` Copy constructor taking that CompressedMatrixBlock and populate this new compressedMatrixBlock with pointers to the same columnGroups.

### Uses of CompressedMatrixBlock in org.apache.sysds.runtime.compress.cost

Methods in org.apache.sysds.runtime.compress.cost with parameters of type CompressedMatrixBlock
`double` ACostEstimate.`getCost​(CompressedMatrixBlock cmb)` Get cost of a compressed matrix block

### Uses of CompressedMatrixBlock in org.apache.sysds.runtime.compress.lib

Methods in org.apache.sysds.runtime.compress.lib that return CompressedMatrixBlock
`static CompressedMatrixBlock` CLALibSquash.`squash​(CompressedMatrixBlock m, int k)`

Methods in org.apache.sysds.runtime.compress.lib with parameters of type CompressedMatrixBlock
`static MatrixBlock` CLALibCompAgg.`aggregateUnary​(CompressedMatrixBlock inputMatrix, MatrixBlock result, AggregateUnaryOperator op, int blen, MatrixIndexes indexesIn, boolean inCP)`
`static MatrixBlock` CLALibBinaryCellOp.`binaryOperationsLeft​(BinaryOperator op, CompressedMatrixBlock m1, MatrixBlock that, MatrixBlock result)`
`static MatrixBlock` CLALibBinaryCellOp.`binaryOperationsRight​(BinaryOperator op, CompressedMatrixBlock m1, MatrixBlock that, MatrixBlock result)`
`static CM_COV_Object` CLALibCMOps.`centralMoment​(CompressedMatrixBlock cmb, CMOperator op)`
`static void` CLALibUtils.`combineConstColumns​(CompressedMatrixBlock in)` Combine all column groups that are constant types, this include empty and const.
`static MatrixBlock` CLALibDecompress.`decompress​(CompressedMatrixBlock cmb, int k)`
`static void` CLALibDecompress.`decompressTo​(CompressedMatrixBlock cmb, MatrixBlock ret, int rowOffset, int colOffset, int k)`
`static MatrixBlock` CLALibLeftMultBy.`leftMultByMatrix​(CompressedMatrixBlock right, MatrixBlock left, MatrixBlock ret, int k)` Left multiplication with two CompressedMatrixBlock following the equation: ret = left %*% right
`static MatrixBlock` CLALibLeftMultBy.`leftMultByMatrixTransposed​(CompressedMatrixBlock right, CompressedMatrixBlock left, MatrixBlock ret, int k)` Left multiplication with two CompressedMatrixBlock following the equation: ret = t(left) %*% right
`static MatrixBlock` CLALibLeftMultBy.`leftMultByMatrixTransposed​(CompressedMatrixBlock right, MatrixBlock left, MatrixBlock ret, int k)` Left multiplication with a CompressedMatrixBlock on the right following the equation: ret = t(left) %*% right
`static void` CLALibTSMM.`leftMultByTransposeSelf​(CompressedMatrixBlock cmb, MatrixBlock ret, int k)` Self left Matrix multiplication (tsmm) t(x) %*% x
`static MatrixBlock` CLALibMMChain.`mmChain​(CompressedMatrixBlock x, MatrixBlock v, MatrixBlock w, MatrixBlock out, MapMultChain.ChainType ctype, int k)`
`static MatrixBlock` CLALibRexpand.`rexpand​(CompressedMatrixBlock in, MatrixBlock ret, double max, boolean rows, boolean cast, boolean ignore, int k)`
`static MatrixBlock` CLALibRightMultBy.`rightMultByMatrix​(CompressedMatrixBlock m1, MatrixBlock m2, MatrixBlock ret, int k)`
`static MatrixBlock` CLALibRightMultBy.`rightMultByMatrix​(CompressedMatrixBlock m1, MatrixBlock m2, MatrixBlock ret, int k, boolean allowOverlap)`
`static MatrixBlock` CLALibScalar.`scalarOperations​(ScalarOperator sop, CompressedMatrixBlock m1, MatrixValue result)`
`static MatrixBlock` CLALibSlice.`slice​(CompressedMatrixBlock cmb, int rl, int ru, int cl, int cu, boolean deep)`
`static CompressedMatrixBlock` CLALibSquash.`squash​(CompressedMatrixBlock m, int k)`
`static MatrixBlock` CLALibUnary.`unaryOperations​(CompressedMatrixBlock m, UnaryOperator op, MatrixValue result)`