Re: [libreoffice-users] Re: Calc: Search & Replace Within A Column

[MiguelAngel <mariosv@miguelangel.mobi>]

El 26/05/12 12:41, Brian Barker escribió:
> At 17:14 25/05/2012 +0200, MiguelAngel wrote:
> > Maybe the mistake is in search for 0.000, it can't be found, because a
> > 0.000 is always saved as 0, nonsignificant zeroes to the right/left of
> > decimal point are never saved.
>
> Computers store numbers in a fixed-length format - however-many bytes.
> So there are always the same number of binary digits stored - which
> equates to a different but similarly (approximately) fixed number of
> decimal digits stored (unless you choose multiple precision, of course).
> So surely what you may think of as nonsignificant zeroes are not "never"
> but *always* stored?
>
> Brian Barker

I think not a fixed format, but a fixed length with eight bytes used to 
store the number in memory, as result fourteen significant numbers.

In any case the user can't find 0.0000 or 000.00, we can search for 0.

In content.xml file one of the files in .ods file, we can see the saved 
values in office:value tag and the representation of the value in text:p 
tag.

- <table:table table:name="Sheet1" table:style-name="ta1">
  <table:table-column table:style-name="co2" 
table:default-cell-style-name="Default" />
- <table:table-row table:style-name="ro2">
- <table:table-cell table:style-name="ce1" office:value-type="float" 
office:value="0">
  <text:p>000,000</text:p>
  </table:table-cell>
  </table:table-row>
- <table:table-row table:style-name="ro2">
- <table:table-cell office:value-type="float" office:value="12345">
  <text:p>12345</text:p>
  </table:table-cell>
  </table:table-row>
- <table:table-row table:style-name="ro2">
- <table:table-cell office:value-type="float" office:value="0.12345">
  <text:p>0,12</text:p>
  </table:table-cell>
  </table:table-row>
- <table:table-row table:style-name="ro2">
- <table:table-cell office:value-type="float" office:value="123.123">
  <text:p>123,12</text:p>
  </table:table-cell>
  </table:table-row>
- <table:table-row table:style-name="ro2">
- <table:table-cell table:style-name="ce2" office:value-type="float" 
office:value="1.23456578901234E+015">
  <text:p>1,23E+015</text:p>
  </table:table-cell>
  </table:table-row>
- <table:table-row table:style-name="ro2">
- <table:table-cell table:style-name="ce3" office:value-type="float" 
office:value="1.23456578901234E+015">
  <text:p>1234565789012340</text:p>
  </table:table-cell>
  </table:table-row>
  </table:table>


Miguel Ángel.

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