org.apache.sysds.lops

## Class BinaryScalar

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

-     public class BinaryScalar
      extends Lop

  Lop to perform binary scalar operations. Both inputs must be scalars. Example i = j + k, i = i + 1.

- - ### 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 and Description
    `BinaryScalar(Lop input1, Lop input2, Types.OpOp2 op, Types.DataType dt, Types.ValueType vt)` Constructor to perform a scalar operation

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `String` | `getInstructions(String input1, String input2, String output)` Method should be overridden if needed
    `Types.OpOp2` | `getOperationType()`
    `Lop.SimpleInstType` | `getSimpleInstructionType()` Method should be overridden if needed
    `String` | `toString()` Method to have Lops print their state.

    - ### Methods inherited from class org.apache.sysds.lops.Lop

      `addInput, addOutput, addToDag, createReachable, getBeginColumn, getBeginLine, getDataType, getEndColumn, getEndLine, getExecType, getFilename, getID, getInputs, getInstructions, getInstructions, getInstructions, getInstructions, getInstructions, getInstructions, getInstructions, getInstructions, getInstructions, getInstructions, getInstructions, getLevel, getOutputParameters, getOutputs, getPrivacyConstraint, getProducesIntermediateOutput, getReachable, getType, getValueType, getVisited, isDataExecLocation, isVariable, prepInputOperand, prepInputOperand, prepOperand, prepOperand, prepOutputOperand, prepOutputOperand, prepOutputOperand, prepScalarInputOperand, prepScalarInputOperand, prepScalarLabel, prepScalarOperand, printErrorLocation, removeConsumer, resetVisitStatus, setAllPositions, setBeginColumn, setBeginLine, setConsumerCount, setDataType, setEndColumn, setEndLine, setFilename, setPrivacyConstraint, setValueType, setVisited`

    - ### Methods inherited from class java.lang.Object

      `equals, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- - ### Constructor Detail

    - #### BinaryScalar

          public BinaryScalar(Lop input1,
                              Lop input2,
                              Types.OpOp2 op,
                              Types.DataType dt,
                              Types.ValueType vt)

      Constructor to perform a scalar operation
      Parameters:
        `input1` - low-level operator 1
        `input2` - low-level operator 2
        `op` - operation type
        `dt` - data type
        `vt` - value 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`

    - #### getOperationType

          public Types.OpOp2 getOperationType()

    - #### getSimpleInstructionType

          public Lop.SimpleInstType getSimpleInstructionType()

      Description copied from class: `Lop`
      Method should be overridden if needed
      Overrides:
        `getSimpleInstructionType` in class `Lop`
      Returns:
        simple instruction type

    - #### 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

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