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https://issues.apache.org/jira/browse/LUCENE-5469?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Allison updated LUCENE-5469:
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Description:
I realize that FuzzyQuery.floatToEdits is deprecated, but I'd like to make a
small fix for posterity. Because of floating point issues, if a percentage
leads to a number that is very close to a whole number of edits, our cast to
int can improperly cause misses.
ddddd~0.8 will not match "ddddX"
eeeee~0.8 will not match "eeee" or "eeeeee"
This is a trivial part of the plan to reduce code duplication with LUCENE-5205.
was:
I realize that FuzzyQuery.floatToEdits is deprecated, but I'd like to make a
small fix for posterity. Because of floating point issues, if a percentage
leads to a number that is very close to a whole number of edits, our cast to
int can improperly cause misses.
ddddd~0.8 will not match "ddddX"
eeeee~0.8 will not match "eeee" or "eeeeee"
> Add small rounding to FuzzyQuery.floatToEdits
> ---------------------------------------------
>
> Key: LUCENE-5469
> URL: https://issues.apache.org/jira/browse/LUCENE-5469
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/search
> Affects Versions: 5.0
> Reporter: Tim Allison
> Priority: Trivial
> Labels: easyfix
> Attachments: LUCENE-5469.patch
>
>
> I realize that FuzzyQuery.floatToEdits is deprecated, but I'd like to make a
> small fix for posterity. Because of floating point issues, if a percentage
> leads to a number that is very close to a whole number of edits, our cast to
> int can improperly cause misses.
> ddddd~0.8 will not match "ddddX"
> eeeee~0.8 will not match "eeee" or "eeeeee"
> This is a trivial part of the plan to reduce code duplication with
> LUCENE-5205.
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