[Libreoffice-bugs] [Bug 107953] New: Not enough precision when showing single-precision variable in BASIC debugger watch

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=107953

            Bug ID: 107953
           Summary: Not enough precision when showing single-precision
                    variable in BASIC debugger watch
           Product: LibreOffice
           Version: unspecified
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: lowest
         Component: BASIC
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: mikekaganski at hotmail.com

As described on
https://randomascii.wordpress.com/2012/03/08/float-precisionfrom-zero-to-100-digits-2/,
to uniquely identify a single, it is required to show 9 decimal digits (and 17
for double). Currently, watch in BASIC IDE shows only 7 decimals for single, so
e.g.

> dim s1 as single, s2 as single, d as double
> s1 = 1.1754943
> s2 = 1.1754944
> d = s2 - s1

would show s1 and s2 *both* as 1.175494, while d would contain 1.192E-07,
showing that the shown precision is not enough.

The suggestion is to show 9 significant digits for single values.

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