[Libreoffice-bugs] [Bug 143974] Basic function CStr is failing to properly convert integers after 41 steps in a for loop

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=143974

--- Comment #7 from Andreas Heinisch <andreas.heinisch at yahoo.de> ---
Consider this small snippet:


Sub Main

  i = 44
  MsgBox TypeName(i) ' prints integer
  i = i + 1
  MsgBox TypeName(i) ' prints double

End Sub

Because of [1], but the calculations are correct (the variable contains
47.000000000000000). However, the homebrew myftoa in [2] imho does not
correctly calculate the desired precision. I even missed some precision scaling
in [3] for Bug 107953.

Mike what is your opinion about a fix for this problem? Can this be addressed
using the rtl_math_doubleToString as in Bug 130725?

[1]
https://opengrok.libreoffice.org/xref/core/basic/source/sbx/sbxvalue.cxx?r=010e99c7#1084
[2]
https://opengrok.libreoffice.org/xref/core/basic/source/sbx/sbxscan.cxx?r=ef38b9af#320
[3]
https://opengrok.libreoffice.org/xref/core/basic/source/sbx/sbxscan.cxx?r=ef38b9af#810

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