Package com.yahoo.tensor.functions

Interface ScalarFunction<NAMETYPE extends Name>

All Superinterfaces:

Function<EvaluationContext<NAMETYPE>,Double>

public interface ScalarFunction<NAMETYPE extends Name>
extends Function<EvaluationContext<NAMETYPE>,Double>

A function which returns a scalar

Author:

bratseth

Method Summary

Modifier and Type	Method	Description
Double	apply(EvaluationContext<NAMETYPE> context)
default Optional<TensorFunction<NAMETYPE>>	asTensorFunction()	Returns this as a tensor function, or empty if it cannot be represented as a tensor function
default String	toString(ToStringContext<NAMETYPE> context)

Methods inherited from interface java.util.function.Function

andThen, compose

Method Details

apply

Double apply(EvaluationContext<NAMETYPE> context)

Specified by:

apply in interface Function<EvaluationContext<NAMETYPE extends Name>,Double>

asTensorFunction

default Optional<TensorFunction<NAMETYPE>> asTensorFunction()

Returns this as a tensor function, or empty if it cannot be represented as a tensor function

toString

default String toString(ToStringContext<NAMETYPE> context)