|Modifier and Type||Method and Description|
Check if the mapped function is exist
public ELEvalFunction(String name)
public boolean hasFunction()
args- the evaluated function arguments. Empty values are represented with
srcRowIndex- row index of the cell containing the formula under evaluation
srcColumnIndex- column index of the cell containing the formula under evaluation
null. Note - Excel uses the error code #NUM! instead of IEEE NaN, so when numeric functions evaluate to
Double.NaNbe sure to translate the result to
public ValueEval evaluate(ValueEval args, OperationEvaluationContext ec)
args- the pre-evaluated arguments for this function. args is never
null, nor are any of its elements.
ec- primarily used to identify the source cell containing the formula being evaluated. may also be used to dynamically create reference evals.
null. Possibly an instance of ErrorEval in the case of a specified Excel error (Exceptions are never thrown to represent Excel errors).
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