Package org.apache.sysds.runtime.matrix.operators

Class ScalarOperator

java.lang.Object

org.apache.sysds.runtime.matrix.operators.Operator

org.apache.sysds.runtime.matrix.operators.MultiThreadedOperator

org.apache.sysds.runtime.matrix.operators.ScalarOperator

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

LeftScalarOperator, RightScalarOperator

public abstract class ScalarOperator
extends MultiThreadedOperator

Base class for all scalar operators.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
ValueFunction	fn

Fields inherited from class org.apache.sysds.runtime.matrix.operators.Operator

sparseSafe

Constructor Summary

Constructors

Constructor	Description
ScalarOperator(ValueFunction p, double cst)

Method Summary

Modifier and Type	Method	Description
abstract double	executeScalar(double in)	Apply the scalar operator over a given input value.
double	getConstant()
abstract ScalarOperator	setConstant(double cst)
abstract ScalarOperator	setConstant(double cst, int numThreads)

Methods inherited from class org.apache.sysds.runtime.matrix.operators.MultiThreadedOperator

getNumThreads, setNumThreads

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

fn

public final ValueFunction fn

Constructor Detail

ScalarOperator

public ScalarOperator(ValueFunction p,
                      double cst)

Method Detail

getConstant

public double getConstant()

setConstant

public abstract ScalarOperator setConstant(double cst)

setConstant

public abstract ScalarOperator setConstant(double cst,
                                           int numThreads)

executeScalar

public abstract double executeScalar(double in)

Apply the scalar operator over a given input value.

Parameters:

in - input value

Returns:

result