[Libreoffice-bugs] [Bug 143575] New: Strings are not converted correctly to their nearest double representation

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=143575

            Bug ID: 143575
           Summary: Strings are not converted correctly to their nearest
                    double representation
           Product: LibreOffice
           Version: 7.3.0.0 alpha0+ Master
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: BASIC
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: andreas.heinisch at yahoo.de

Description:
Consider the following double in BASIC: 691.2

The nearest double representation is according to IEEE 754 is
691.200000000000045474735088646411895751953125

Currently, a double value will be converted in basic/source/sbx/sbxdbl.cxx
using 17 significant digits with ImpCvtNum( n, 17, *p->pOUString, bCoreString
); 

Steps to Reproduce:
Insert the following macro:
Sub Test
    MsgBox 691.2
End Sub

Actual Results:
691.2000000000001

Expected Results:
691.2


Reproducible: Always


User Profile Reset: No



Additional Info:
This bug is a follow up of 107953. Prior versions are not affected due to
reduced precision.

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