[Libreoffice-bugs] [Bug 137679] Implement a Kahan summation algorithm for reduce the numerical error in the total

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=137679

--- Comment #53 from dante19031999 at gmail.com ---
(In reply to Eike Rathke from comment #52)
> Yes indeed, https://gerrit.libreoffice.org/q/topic:%22kahansum%22+status:open

There are 3 left to merge ...
And it doesn't require many more review.

OK: affected functions:
lcl_GetSumProduct
lcl_GetColumnEuclideanNorm
lcl_TGetColumnEuclideanNorm
lcl_GetColumnMaximumNorm
lcl_GetColumnSumProduct
lcl_TGetColumnSumProduct
lcl_SolveWithUpperRightTriangle
lcl_SolveWithLowerLeftTriangle
lcl_ApplyUpperRightTriangle
lcl_GetMeanOverAll
lcl_CalculateColumnMeans
lcl_CalculateRowMeans
lcl_GetSSresid
lcl_IterResult
lcl_IterateInverse
lcl_MFastMult
lcl_LUP_solve
lcl_GetBinomDistRange
class NumericCellAccumulator
class ScMatrix
class FuncSum
class IterateMatrix ( SUM COUNT COUNT2 PRODUCT SUMSQ AVERAGE )
class ArraySumFunctor ( SSE2 may take a while to review )
ScSumXMY2
ScRawSubtract !!! NOT AFFECTED !!!
ScSumIfs
ScAverageIfs
ScNPV
ScIRR
ScMIRR
ScISPMT
ScDB
ScInterVDB
ScVDB
ScCumIpmt
ScCumPrinc
ScSumProduct
ScHarMean
ScGeoMean
ScStandard
ScAveDev
ScDevSq
ScForecast
SCFTest by after effects of a future patch completely unrelated
ScMatMult
ScChiTest
ScTTest
ScZTest
ScHypGeomDist
ScPoissonDist
ScCritBinom
CalculateSkew
CalculatePearsonCovar
CalculateSlopeIntercept
CalculateSumX2MY2SumX2DY2
CalculateRGPRKP
CalculateTest
IterateParameters
PreprocessDataRange
prefillTrendData
prefillPerIdx
calcAccuracyIndicators
CalcPeriodLen
GetStVarParams
IterateParametersIf
DBIterator
GetDBStVarParams

AND ANY WHICH DEPENDS ON THIS
I believe I haven't left anything to do and also listed everything.

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