smile.data.formula

Class DoubleFunction

java.lang.Object

smile.data.formula.AbstractTerm

smile.data.formula.AbstractFunction

smile.data.formula.DoubleFunction

All Implemented Interfaces:

java.io.Serializable, HyperTerm, Term

public class DoubleFunction
extends AbstractFunction

The generic term of applying a double function.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DoubleFunction(java.lang.String name, Term x, smile.math.Function lambda) Constructor.

Method Summary

Modifier and Type	Method and Description
java.lang.Double	apply(Tuple o) Applies the term on a data object.
double	applyAsDouble(Tuple o) Applies the term on a data object and produces an double-valued result.
void	bind(StructType schema) Binds the term to a schema.
DataType	type() Returns the data type of output values.

Methods inherited from class smile.data.formula.AbstractFunction

name, toString, variables

Methods inherited from class smile.data.formula.AbstractTerm

equals, hashCode

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface smile.data.formula.Term

apply, applyAsBoolean, applyAsByte, applyAsChar, applyAsFloat, applyAsInt, applyAsLong, applyAsShort, field, isConstant, isVariable, measure, terms

Constructor Detail

DoubleFunction

public DoubleFunction(java.lang.String name,
                      Term x,
                      smile.math.Function lambda)

Constructor.

Parameters:

name - the name of function.

x - the term that the function is applied to.

lambda - the function/lambda.

Method Detail

type

public DataType type()

Description copied from interface: Term

Returns the data type of output values.

bind

public void bind(StructType schema)

Description copied from interface: HyperTerm

Binds the term to a schema.

Specified by:

bind in interface HyperTerm

Overrides:

bind in class AbstractFunction

applyAsDouble

public double applyAsDouble(Tuple o)

Description copied from interface: Term

Applies the term on a data object and produces an double-valued result.

apply

public java.lang.Double apply(Tuple o)

Description copied from interface: Term

Applies the term on a data object.