https://bz.apache.org/bugzilla/show_bug.cgi?id=61116
Bug ID: 61116
Summary: Formula evaluation fails when using matrix addition
within index function call with RuntimeException
Product: POI
Version: 3.16-FINAL
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: XSSF
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 35003
--> https://bz.apache.org/bugzilla/attachment.cgi?id=35003&action=edit
Example workbook showing the problematic formulas
The formula evaluation fails when using following formula:
"=INDEX(A+B,1,1)"
where A and B are both matrices. I've attached an example workbook that shows
the problem (matrix-addition-within-index-function.xlsx). Simply use the
FormulaEvaluator to evaluate the cell 'sample2'!B2 and you will get the
following exception:
"java.lang.RuntimeException: Incomplete code - cannot handle first arg of type
(org.apache.poi.ss.formula.eval.NumberEval)
at
org.apache.poi.ss.formula.functions.Index.convertFirstArg(Index.java:106)
at org.apache.poi.ss.formula.functions.Index.evaluate(Index.java:75)
at org.apache.poi.ss.formula.functions.Index.evaluate(Index.java:116)
at
org.apache.poi.ss.formula.OperationEvaluatorFactory.evaluate(OperationEvaluatorFactory.java:132)
at
org.apache.poi.ss.formula.WorkbookEvaluator.evaluateFormula(WorkbookEvaluator.java:550)
at
org.apache.poi.ss.formula.WorkbookEvaluator.evaluateAny(WorkbookEvaluator.java:317)
at
org.apache.poi.ss.formula.WorkbookEvaluator.evaluateReference(WorkbookEvaluator.java:750)
at
org.apache.poi.ss.formula.SheetRefEvaluator.getEvalForCell(SheetRefEvaluator.java:48)"
The currently implementation assumes that the maxtrix addition always returns a
single double value which is fine for maxtrix formulas like "=A+B". In this
case it does the same and so "A+B" is evaluated to a sum of single values from
each matrix. As soon this resulting double value is passed to the index
function it will fail with the exception.
How to fix?
I guess the method TwoOperandNumericOperation.evaluate(int, int, ValueEval,
ValueEval) need to distiguish whether the expected output of the operation
(affects not only AddPtg) is a single value or still an area.
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