Package net.sf.saxon.functions

Class MathFunctionSet.PowFn

java.lang.Object

net.sf.saxon.functions.AbstractFunction

net.sf.saxon.functions.SystemFunction

net.sf.saxon.functions.MathFunctionSet.PowFn

All Implemented Interfaces:

Iterable<Function>, Callable, Function, GroundedValue<Function>, Item<Function>, Sequence<Function>

Enclosing class:

MathFunctionSet

public static class MathFunctionSet.PowFn
extends SystemFunction

Implement math:pow

Constructor Summary

Constructors

Constructor	Description
PowFn()

Method Summary

Modifier and Type	Method	Description
ZeroOrOne<DoubleValue>	call(XPathContext context, Sequence[] args)	Invoke the function

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

dependsOnContextItem, dynamicCall, equals, export, exportAdditionalArguments, exportAttributes, fixArguments, getArity, getCardinality, getCompilerName, getContextNode, getDescription, getDetails, getErrorCodeForTypeErrors, getFunctionItemType, getFunctionName, getIntegerBounds, getNetCost, getOperandRoles, getRequiredType, getResultItemType, getResultItemType, getRetainedStaticContext, getSpecialProperties, getStaticBaseUriString, getStreamerName, importAttributes, isTrustedResultType, makeCall, makeFunction, makeFunctionCall, makeOptimizedFunctionCall, resultIfEmpty, setArity, setDetails, setRetainedStaticContext, supplyTypeInformation, toShortString, toString, typeCheckCaller

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

atomize, deepEquals, effectiveBooleanValue, getAnnotations, getStringValue, getStringValueCS, isArray, isMap, makeNewContext, simplify, typeCheck

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sf.saxon.om.Function

getGenre

Methods inherited from interface net.sf.saxon.om.GroundedValue

asIterable, materialize

Methods inherited from interface net.sf.saxon.om.Item

getLength, head, isStreamed, itemAt, iterate, iterator, reduce, subsequence

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Methods inherited from interface net.sf.saxon.om.Sequence

makeRepeatable

Constructor Detail

PowFn

public PowFn()

Method Detail

call

public ZeroOrOne<DoubleValue> call(XPathContext context,
                                   Sequence[] args)
                            throws XPathException

Invoke the function

Parameters:

context - the XPath dynamic evaluation context

args - the actual arguments to be supplied

Returns:

the result of invoking the function

Throws:

XPathException - if a dynamic error occurs within the function