org.jaxen.function
public class CeilingFunction extends Object implements Function
4.4 number ceiling(number)
The ceiling function returns the smallest (closest to negative infinity) number that is not less than the argument and that is an integer....If the argument is NaN, then NaN is returned. If the argument is positive infinity, then positive infinity is returned. If the argument is negative infinity, then negative infinity is returned. If the argument is positive zero, then positive zero is returned. If the argument is negative zero, then negative zero is returned. If the argument is less than zero, but greater than -1, then negative zero is returned.See Also:
Section 4.4 of the XPath Specification
XPath Specification Errata
Constructor Summary | |
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CeilingFunction()
Create a new CeilingFunction object. |
Method Summary | |
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Object | call(Context context, List args) Returns the smallest integer greater than or equal to a number.
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static Double | evaluate(Object obj, Navigator nav) Returns the smallest integer greater than or equal to the argument.
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CeilingFunction
object.Parameters: context the context at the point in the
expression when the function is called args a list with exactly one item which will be converted to a
Double
as if by the XPath number()
function
Returns: a Double
containing the smallest integer greater than or equal
args.get(0)
Throws: FunctionCallException if args
has more or less than one item
Double
as if by the XPath number()
function.
Parameters: obj the object whose ceiling is returned nav ignored
Returns: a Double
containing the smallest integer
greater than or equal to obj