MMRJ (Apache SystemDS 3.0.0 API)

java.lang.Object
- org.apache.sysds.lops.Lop
- - org.apache.sysds.lops.MMRJ

```
public class MMRJ
extends Lop
```
Lop to perform cross product operation

Nested Class Summary
- Nested classes/interfaces inherited from class org.apache.sysds.lops.Lop
  Lop.SimpleInstType, Lop.Type, Lop.VisitStatus

Field Summary
- Fields inherited from class org.apache.sysds.lops.Lop
  _beginColumn, _beginLine, _endColumn, _endLine, _filename, CP_CHILD_THREAD, CP_ROOT_THREAD_ID, DATATYPE_PREFIX, FILE_SEPARATOR, FRAME_VAR_NAME_PREFIX, INSTRUCTION_DELIMITOR, LITERAL_PREFIX, MATRIX_VAR_NAME_PREFIX, NAME_VALUE_SEPARATOR, OPERAND_DELIMITOR, PROCESS_PREFIX, SAMPLE_FRACTION, SCALAR_VAR_NAME_PREFIX, UPDATE_INPLACE_PREFIX, VALUETYPE_PREFIX, VARIABLE_NAME_PLACEHOLDER

Constructor Summary

Constructors
Constructor	Description
`MMRJ(Lop input1, Lop input2, Types.DataType dt, Types.ValueType vt, Types.ExecType et)`	Constructor to perform a cross product operation.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`getInstructions(String input1, String input2, String output)`	Method should be overridden if needed
`String`	`toString()`	Method to have Lops print their state.

Methods inherited from class org.apache.sysds.lops.Lop
activatePrefetch, addInput, addOutput, addToDag, createReachable, getAggType, getBeginColumn, getBeginLine, getBroadcastInput, getDataType, getEndColumn, getEndLine, getExecType, getFederatedOutput, getFilename, getID, getInputs, getInstructions, getInstructions, getInstructions, getInstructions, getInstructions, getInstructions, getInstructions, getInstructions, getInstructions, getInstructions, getInstructions, getLevel, getOutputParameters, getOutputs, getPrivacyConstraint, getProducesIntermediateOutput, getReachable, getSimpleInstructionType, getType, getValueType, getVisited, isAllOutputsCP, isDataExecLocation, isVariable, prefetchActivated, prepInputOperand, prepInputOperand, prepOperand, prepOperand, prepOutputOperand, prepOutputOperand, prepOutputOperand, prepScalarInputOperand, prepScalarInputOperand, prepScalarLabel, prepScalarOperand, printErrorLocation, removeConsumer, removeOutput, replaceInput, resetVisitStatus, setAllPositions, setBeginColumn, setBeginLine, setConsumerCount, setDataType, setEndColumn, setEndLine, setExecType, setFederatedOutput, setFilename, setPrivacyConstraint, setValueType, setVisited

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - MMRJ
```
public MMRJ(Lop input1,
            Lop input2,
            Types.DataType dt,
            Types.ValueType vt,
            Types.ExecType et)
```
    Constructor to perform a cross product operation.
    
    Parameters:
    
    input1 - low-level operator 1
    
    input2 - low-level operator 2
    
    dt - data type
    
    vt - value type
    
    et - execution type
- Method Detail
  - toString
```
public String toString()
```
    Description copied from class: Lop
    
    Method to have Lops print their state. This is for debugging purposes.
    
    Specified by:
    
    toString in class Lop
  - getInstructions
```
public String getInstructions(String input1,
                              String input2,
                              String output)
```
    Description copied from class: Lop
    
    Method should be overridden if needed
    
    Overrides:
    
    getInstructions in class Lop
    
    Parameters:
    
    input1 - input 1
    
    input2 - input 2
    
    output - output
    
    Returns:
    
    instructions as string