## Uses of Class
org.apache.sysds.runtime.matrix.operators.Operator

- Packages that use Operator
  Package | Description
  --- | ---
  org.apache.sysds.runtime.compress |
  org.apache.sysds.runtime.instructions |
  org.apache.sysds.runtime.instructions.cp |
  org.apache.sysds.runtime.instructions.fed |
  org.apache.sysds.runtime.instructions.spark |
  org.apache.sysds.runtime.instructions.spark.functions |
  org.apache.sysds.runtime.matrix.data |
  org.apache.sysds.runtime.matrix.operators |

- - ### Uses of Operator in org.apache.sysds.runtime.compress

    Methods in org.apache.sysds.runtime.compress with parameters of type Operator
    Modifier and Type | Method and Description
    --- | ---
    `void` | AbstractCompressedMatrixBlock.`ctableOperations(Operator op, double scalar, double scalar2, CTableMap resultMap, MatrixBlock resultBlock)`
    `void` | AbstractCompressedMatrixBlock.`ctableOperations(Operator op, double scalar, MatrixValue that, CTableMap resultMap, MatrixBlock resultBlock)`
    `void` | AbstractCompressedMatrixBlock.`ctableOperations(Operator op, MatrixIndexes ix1, double scalar, boolean left, int brlen, CTableMap resultMap, MatrixBlock resultBlock)`
    `void` | AbstractCompressedMatrixBlock.`ctableOperations(Operator op, MatrixValue that, double scalar, boolean ignoreZeros, CTableMap resultMap, MatrixBlock resultBlock)`
    `void` | AbstractCompressedMatrixBlock.`ctableOperations(Operator op, MatrixValue that, MatrixValue that2, CTableMap resultMap)`
    `void` | AbstractCompressedMatrixBlock.`ctableOperations(Operator op, MatrixValue that, MatrixValue that2, CTableMap resultMap, MatrixBlock resultBlock)`
    `MatrixBlock` | AbstractCompressedMatrixBlock.`groupedAggOperations(MatrixValue tgt, MatrixValue wghts, MatrixValue ret, int ngroups, Operator op)`
    `MatrixBlock` | AbstractCompressedMatrixBlock.`groupedAggOperations(MatrixValue tgt, MatrixValue wghts, MatrixValue ret, int ngroups, Operator op, int k)`

  - ### Uses of Operator in org.apache.sysds.runtime.instructions

    Methods in org.apache.sysds.runtime.instructions that return Operator
    Modifier and Type | Method and Description
    --- | ---
    `Operator` | Instruction.`getOperator()`
    `static Operator` | InstructionUtils.`parseBinaryOrBuiltinOperator(String opcode, CPOperand in1, CPOperand in2)`
    `static Operator` | InstructionUtils.`parseExtendedBinaryOrBuiltinOperator(String opcode, CPOperand in1, CPOperand in2)`
    `static Operator` | InstructionUtils.`parseGroupedAggOperator(String fn, String other)`

  - ### Uses of Operator in org.apache.sysds.runtime.instructions.cp

    Methods in org.apache.sysds.runtime.instructions.cp that return Operator
    Modifier and Type | Method and Description
    --- | ---
    `Operator` | BinaryCPInstruction.`getOperator()`

    Methods in org.apache.sysds.runtime.instructions.cp with parameters of type Operator
    Modifier and Type | Method and Description
    --- | ---
    `double` | CM_COV_Object.`getRequiredPartialResult(Operator op)`
    `double` | CM_COV_Object.`getRequiredResult(Operator op)` Return the result of the aggregated operation given the operator.

    Constructors in org.apache.sysds.runtime.instructions.cp with parameters of type Operator
    Constructor and Description
    `BuiltinNaryCPInstruction(Operator op, String opcode, String istr, CPOperand output, CPOperand... inputs)`
    `EvalNaryCPInstruction(Operator op, String opcode, String istr, CPOperand output, CPOperand... inputs)`
    `ParamservBuiltinCPInstruction(Operator op, LinkedHashMap<String,String> paramsMap, CPOperand out, String opcode, String istr)`

  - ### Uses of Operator in org.apache.sysds.runtime.instructions.fed

    Constructors in org.apache.sysds.runtime.instructions.fed with parameters of type Operator
    Constructor and Description
    `AggregateBinaryFEDInstruction(Operator op, CPOperand in1, CPOperand in2, CPOperand out, String opcode, String istr)`

  - ### Uses of Operator in org.apache.sysds.runtime.instructions.spark

    Constructors in org.apache.sysds.runtime.instructions.spark with parameters of type Operator
    Constructor and Description
    `CreateMatrixCell(int blen, Operator op)`
    `RDDMapGroupedAggFunction(PartitionedBroadcast<MatrixBlock> pbm, Operator op, int ngroups, int blen)`
    `RDDMapGroupedAggFunction2(PartitionedBroadcast<MatrixBlock> pbm, Operator op, int ngroups)`

  - ### Uses of Operator in org.apache.sysds.runtime.instructions.spark.functions

    Constructors in org.apache.sysds.runtime.instructions.spark.functions with parameters of type Operator
    Constructor and Description
    `ExtractGroup(long blen, long ngroups, Operator op)`
    `ExtractGroupBroadcast(PartitionedBroadcast<MatrixBlock> pbm, long blen, long ngroups, Operator op)`
    `ExtractGroupJoin(long blen, long ngroups, Operator op)`
    `PerformGroupByAggInCombiner(Operator op)`
    `PerformGroupByAggInReducer(Operator op)`

  - ### Uses of Operator in org.apache.sysds.runtime.matrix.data

    Methods in org.apache.sysds.runtime.matrix.data with parameters of type Operator
    Modifier and Type | Method and Description
    --- | ---
    `abstract void` | MatrixValue.`ctableOperations(Operator op, double scalar_that, double scalar_that2, CTableMap resultMap, MatrixBlock resultBlock)`
    `void` | MatrixCell.`ctableOperations(Operator op, double scalarThat, double scalarThat2, CTableMap resultMap, MatrixBlock resultBlock)`
    `void` | MatrixBlock.`ctableOperations(Operator op, double scalarThat, double scalarThat2, CTableMap resultMap, MatrixBlock resultBlock)` D = ctable(A,v2,w) this <- A; scalar_that <- v2; scalar_that2 <- w; result <- D (i1,j1,v1) from input1 (this) (v2) from sclar_input2 (scalarThat) (w) from scalar_input3 (scalarThat2)
    `void` | CM_N_COVCell.`ctableOperations(Operator op, double scalarThat, double scalarThat2, CTableMap resultMap, MatrixBlock resultBlock)`
    `abstract void` | MatrixValue.`ctableOperations(Operator op, double scalarThat, MatrixValue that2, CTableMap ctableResult, MatrixBlock ctableResultBlock)`
    `void` | MatrixCell.`ctableOperations(Operator op, double scalarThat, MatrixValue that2, CTableMap resultMap, MatrixBlock resultBlock)`
    `void` | MatrixBlock.`ctableOperations(Operator op, double scalarThat, MatrixValue that2Val, CTableMap resultMap, MatrixBlock resultBlock)` D = ctable(A,v2,W) this <- A; scalarThat <- v2; that2 <- W; result <- D (i1,j1,v1) from input1 (this) (v2) from sclar_input2 (scalarThat) (i3,j3,w) from input3 (that2)
    `void` | CM_N_COVCell.`ctableOperations(Operator op, double scalarThat, MatrixValue that2, CTableMap resultMap, MatrixBlock resultBlock)`
    `abstract void` | MatrixValue.`ctableOperations(Operator op, MatrixIndexes ix1, double scalar_that, boolean left, int blen, CTableMap resultMap, MatrixBlock resultBlock)`
    `void` | MatrixCell.`ctableOperations(Operator op, MatrixIndexes ix1, double scalarThat, boolean left, int blen, CTableMap resultMap, MatrixBlock resultBlock)`
    `void` | MatrixBlock.`ctableOperations(Operator op, MatrixIndexes ix1, double scalarThat, boolean left, int blen, CTableMap resultMap, MatrixBlock resultBlock)` Specific ctable case of ctable(seq(...),X), where X is the only matrix input.
    `void` | CM_N_COVCell.`ctableOperations(Operator op, MatrixIndexes ix1, double scalarThat, boolean left, int blen, CTableMap resultMap, MatrixBlock resultBlock)`
    `abstract void` | MatrixValue.`ctableOperations(Operator op, MatrixValue that, double scalar_that2, boolean ignoreZeros, CTableMap resultMap, MatrixBlock resultBlock)`
    `void` | MatrixCell.`ctableOperations(Operator op, MatrixValue that, double scalarThat2, boolean ignoreZeros, CTableMap ctableResult, MatrixBlock ctableResultBlock)`
    `void` | MatrixBlock.`ctableOperations(Operator op, MatrixValue thatVal, double scalarThat2, boolean ignoreZeros, CTableMap resultMap, MatrixBlock resultBlock)` D = ctable(A,B,w) this <- A; that <- B; scalar_that2 <- w; result <- D (i1,j1,v1) from input1 (this) (i1,j1,v2) from input2 (that) (w) from scalar_input3 (scalarThat2) NOTE: This method supports both vectors and matrices.
    `void` | CM_N_COVCell.`ctableOperations(Operator op, MatrixValue that, double scalarThat2, boolean ignoreZeros, CTableMap resultMap, MatrixBlock resultBlock)`
    `void` | MatrixBlock.`ctableOperations(Operator op, MatrixValue thatVal, MatrixValue that2Val, CTableMap resultMap)` D = ctable(A,B,W) this <- A; that <- B; that2 <- W; result <- D (i1,j1,v1) from input1 (this) (i1,j1,v2) from input2 (that) (i1,j1,w) from input3 (that2)
    `abstract void` | MatrixValue.`ctableOperations(Operator op, MatrixValue that, MatrixValue that2, CTableMap resultMap, MatrixBlock resultBlock)`
    `void` | MatrixCell.`ctableOperations(Operator op, MatrixValue that, MatrixValue that2, CTableMap resultMap, MatrixBlock resultBlock)`
    `void` | MatrixBlock.`ctableOperations(Operator op, MatrixValue thatVal, MatrixValue that2Val, CTableMap resultMap, MatrixBlock resultBlock)`
    `void` | CM_N_COVCell.`ctableOperations(Operator op, MatrixValue that, MatrixValue that2, CTableMap resultMap, MatrixBlock resultBlock)`
    `MatrixBlock` | MatrixBlock.`groupedAggOperations(MatrixValue tgt, MatrixValue wghts, MatrixValue ret, int ngroups, Operator op)` Invocation from CP instructions.
    `MatrixBlock` | MatrixBlock.`groupedAggOperations(MatrixValue tgt, MatrixValue wghts, MatrixValue ret, int ngroups, Operator op, int k)`
    `static void` | LibMatrixAgg.`groupedAggregate(MatrixBlock groups, MatrixBlock target, MatrixBlock weights, MatrixBlock result, int numGroups, Operator op)`
    `static void` | LibMatrixAgg.`groupedAggregate(MatrixBlock groups, MatrixBlock target, MatrixBlock weights, MatrixBlock result, int numGroups, Operator op, int k)`
    `static MatrixBlock` | MatrixBlock.`naryOperations(Operator op, MatrixBlock[] matrices, ScalarObject[] scalars, MatrixBlock ret)`
    `static void` | OperationsOnMatrixValues.`performCtable(MatrixIndexes indexesIn1, MatrixValue valueIn1, double scalarIn2, boolean left, int blen, CTableMap resultMap, MatrixBlock resultBlock, Operator op)`
    `static void` | OperationsOnMatrixValues.`performCtable(MatrixIndexes indexesIn1, MatrixValue valueIn1, double scalarIn2, double scalarIn3, CTableMap resultMap, MatrixBlock resultBlock, Operator op)`
    `static void` | OperationsOnMatrixValues.`performCtable(MatrixIndexes indexesIn1, MatrixValue valueIn1, double scalarIn2, MatrixIndexes indexesIn3, MatrixValue valueIn3, CTableMap resultMap, MatrixBlock resultBlock, Operator op)`
    `static void` | OperationsOnMatrixValues.`performCtable(MatrixIndexes indexesIn1, MatrixValue valueIn1, MatrixIndexes indexesIn2, MatrixValue valueIn2, double scalarIn3, CTableMap resultMap, MatrixBlock resultBlock, Operator op)`
    `static void` | OperationsOnMatrixValues.`performCtable(MatrixIndexes indexesIn1, MatrixValue valueIn1, MatrixIndexes indexesIn2, MatrixValue valueIn2, MatrixIndexes indexesIn3, MatrixValue valueIn3, CTableMap resultMap, MatrixBlock resultBlock, Operator op)`
    `static void` | OperationsOnMatrixValues.`performMapGroupedAggregate(Operator op, IndexedMatrixValue inTarget, MatrixBlock groups, int ngroups, int blen, ArrayList<IndexedMatrixValue> outlist)`

  - ### Uses of Operator in org.apache.sysds.runtime.matrix.operators

    Subclasses of Operator in org.apache.sysds.runtime.matrix.operators
    Modifier and Type | Class and Description
    --- | ---
    `class` | `AggregateBinaryOperator`
    `class` | `AggregateOperator`
    `class` | `AggregateTernaryOperator`
    `class` | `AggregateUnaryOperator`
    `class` | `BinaryOperator`
    `class` | `CMOperator`
    `class` | `CountDistinctOperator`
    `class` | `COVOperator`
    `class` | `LeftScalarOperator` Scalar operator for scalar-matrix operations with scalar on the left-hand-side.
    `class` | `QuaternaryOperator`
    `class` | `ReIndexOperator`
    `class` | `ReorgOperator`
    `class` | `RightScalarOperator` Scalar operator for scalar-matrix operations with scalar on the right-hand-side.
    `class` | `ScalarOperator` Base class for all scalar operators.
    `class` | `SimpleOperator`
    `class` | `TernaryOperator`
    `class` | `UnaryOperator`

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