Package org.apache.sysds.lops

Class Unary

java.lang.Object

org.apache.sysds.lops.Lop

org.apache.sysds.lops.Unary

public class Unary
extends Lop

Lop to perform following operations: with one operand -- NOT(A), ABS(A), SQRT(A), LOG(A) with two operands where one of them is a scalar -- H=H*i, H=H*5, EXP(A,2), LOG(A,2)

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
Unary(Lop input1, Types.OpOp1 op, Types.DataType dt, Types.ValueType vt, Types.ExecType et, int numThreads, boolean inplace)	Constructor to perform a unary operation with 1 input.
Unary(Lop input1, Lop input2, Types.OpOp1 op, Types.DataType dt, Types.ValueType vt, Types.ExecType et, int numThreads)	Constructor to perform a unary operation with 2 inputs

Method Summary

Modifier and Type	Method	Description
String	getInstructions(String input1, String output)	Method should be overridden if needed
String	getInstructions(String input1, String input2, String output)	Method should be overridden if needed
static boolean	isMultiThreadedOp(Types.OpOp1 op)
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, 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

Unary

public Unary(Lop input1,
             Lop input2,
             Types.OpOp1 op,
             Types.DataType dt,
             Types.ValueType vt,
             Types.ExecType et,
             int numThreads)

Constructor to perform a unary operation with 2 inputs

Parameters:

input1 - low-level operator 1

input2 - low-level operator 2

op - operation type

dt - data type

vt - value type

et - execution type

numThreads - number of threads for execution

Unary

public Unary(Lop input1,
             Types.OpOp1 op,
             Types.DataType dt,
             Types.ValueType vt,
             Types.ExecType et,
             int numThreads,
             boolean inplace)

Constructor to perform a unary operation with 1 input.

Parameters:

input1 - low-level operator 1

op - operation type

dt - data type

vt - value type

et - execution type

numThreads - number of threads

inplace - inplace behavior

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

isMultiThreadedOp

public static boolean isMultiThreadedOp(Types.OpOp1 op)

getInstructions

public String getInstructions(String input1,
                              String output)

Description copied from class: Lop

Method should be overridden if needed

Overrides:

getInstructions in class Lop

Parameters:

input1 - input 1

output - output

Returns:

instructions as string

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