Class Fixed1ArgFunction
- java.lang.Object
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- org.apache.poi.ss.formula.functions.Fixed1ArgFunction
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- All Implemented Interfaces:
Function
,Function1Arg
- Direct Known Subclasses:
Bin2Dec
,CalendarFieldFunction
,Code
,Columns
,Countblank
,DateValue
,Errortype
,FactDouble
,Hex2Dec
,Imaginary
,ImReal
,LogicalFunction
,MatrixFunction.OneArrayArg
,NormSDist
,NormSInv
,Oct2Dec
,PercentEval
,Rows
,T
,TimeValue
,UnaryMinusEval
,UnaryPlusEval
,Value
public abstract class Fixed1ArgFunction extends Object implements Function1Arg
Convenience base class for functions that must take exactly one argument.
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Constructor Summary
Constructors Constructor Description Fixed1ArgFunction()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description ValueEval
evaluate(ValueEval[] args, int srcRowIndex, int srcColumnIndex)
ValueEval
evaluate(ValueEval[] args, int srcRowIndex, int srcColumnIndex, boolean isArrayValue)
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.apache.poi.ss.formula.functions.Function1Arg
evaluate
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Method Detail
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evaluate
public final ValueEval evaluate(ValueEval[] args, int srcRowIndex, int srcColumnIndex)
- Specified by:
evaluate
in interfaceFunction
- Parameters:
args
- the evaluated function arguments. Empty values are represented withBlankEval
orMissingArgEval
, nevernull
.srcRowIndex
- row index of the cell containing the formula under evaluationsrcColumnIndex
- column index of the cell containing the formula under evaluation- Returns:
- The evaluated result, possibly an
ErrorEval
, nevernull
. Note - Excel uses the error code #NUM! instead of IEEE NaN, so when numeric functions evaluate toDouble.NaN
be sure to translate the result toErrorEval.NUM_ERROR
.
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