Issue 86294 - chidist is unable to return values below 10^(-11)
Summary: chidist is unable to return values below 10^(-11)
Status: CLOSED FIXED
Alias: None
Product: Calc
Classification: Application
Component: programming (show other issues)
Version: OOo 2.3
Hardware: All All
: P3 Trivial (vote)
Target Milestone: ---
Assignee: oc
QA Contact: issues@sc
URL:
Keywords: oooqa
Depends on: 90703
Blocks: 18704
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Reported: 2008-02-21 08:01 UTC by antalk
Modified: 2013-08-07 15:15 UTC (History)
2 users (show)

See Also:
Issue Type: DEFECT
Latest Confirmation in: ---
Developer Difficulty: ---

Attachments
comparison of log(khi2;5)) in openoffice, to results from gnumeric (53.71 KB, application/vnd.oasis.opendocument.spreadsheet)
2008-02-21 08:04 UTC, antalk 		no flags Details
screenshot of f(khi2)=log(chidist(khi2,df)) curves for df=1,2,3,4,5,10 in OOO calc 2.3.0 (182.08 KB, image/png)
2008-02-21 08:06 UTC, antalk 		no flags Details
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Description antalk 2008-02-21 08:01:34 UTC 
chidist(khi2,df)  returns wrong values when it should return 
a value below about 10^(-10)
Comment 1 antalk 2008-02-21 08:04:46 UTC 
Created attachment 51621 [details]
comparison of log(khi2;5)) in openoffice, to results from gnumeric
Comment 2 antalk 2008-02-21 08:06:47 UTC 
Created attachment 51622 [details]
screenshot of f(khi2)=log(chidist(khi2,df)) curves for df=1,2,3,4,5,10 in OOO calc 2.3.0
Comment 3 Regina Henschel 2008-02-21 20:04:57 UTC 
The problem is already in GetGammaDist() and therefore in the cumulative part of
GAMMADIST() too.
Comment 4 ooo 2008-03-12 19:55:06 UTC 
Taking ownership, adding dependency to issue 18704, targeting PleaseHelp.
Comment 5 ooo 2008-06-18 17:15:57 UTC 
Fixed with issue 90703.
Comment 6 ooo 2008-06-25 19:00:34 UTC 
Reassigning to QA for verification.
Comment 7 ooo 2008-06-25 19:01:16 UTC 
...
Comment 8 oc 2008-07-01 09:53:40 UTC 
verified in internal build cws_odff4
Comment 9 thorsten.ziehm 2009-07-20 14:55:36 UTC 
This issue is closed automatically and wasn't rechecked in a current version of
OOo. The fixed issue should be integrated in OOo since more than half a year. If
you think this issue isn't fixed in a current version (OOo 3.1), please reopen
it and change the field 'Target Milestone' accordingly.

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