net.sf.saxon.functions

Class TrigonometricFn.AtanFn

java.lang.Object

net.sf.saxon.lib.ExtensionFunctionDefinition

net.sf.saxon.functions.TrigonometricFn

net.sf.saxon.functions.TrigonometricFn.AtanFn

Enclosing class:

TrigonometricFn

public static class TrigonometricFn.AtanFn
extends TrigonometricFn

Implement math:atan

Nested Class Summary

Nested classes/interfaces inherited from class net.sf.saxon.functions.TrigonometricFn

TrigonometricFn.AcosFn, TrigonometricFn.AsinFn, TrigonometricFn.AtanFn, TrigonometricFn.CosFn, TrigonometricFn.Exp10Fn, TrigonometricFn.ExpFn, TrigonometricFn.Log10Fn, TrigonometricFn.LogFn, TrigonometricFn.SinFn, TrigonometricFn.SqrtFn, TrigonometricFn.TanFn

Constructor Summary

Constructors

Constructor and Description
TrigonometricFn.AtanFn()

Method Summary

Methods

Modifier and Type	Method and Description
protected double	compute(double input) The function that does the work, which must be implemented in subclasses
StructuredQName	getFunctionQName() Get the name of the function, as a QName.

Methods inherited from class net.sf.saxon.functions.TrigonometricFn

getArgumentTypes, getMaximumNumberOfArguments, getMinimumNumberOfArguments, getResultType, makeCallExpression, trustResultType

Methods inherited from class net.sf.saxon.lib.ExtensionFunctionDefinition

dependsOnFocus, hasSideEffects

Methods inherited from class java.lang.Object

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

Constructor Detail

TrigonometricFn.AtanFn

public TrigonometricFn.AtanFn()

Method Detail

getFunctionQName

public StructuredQName getFunctionQName()

Description copied from class: ExtensionFunctionDefinition

Get the name of the function, as a QName.

This method must be implemented in all subclasses

Specified by:

getFunctionQName in class ExtensionFunctionDefinition

Returns:

the function name

compute

protected double compute(double input)

Description copied from class: TrigonometricFn

The function that does the work, which must be implemented in subclasses

Specified by:

compute in class TrigonometricFn

Parameters:

input - the input value

Returns:

the result