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https://issues.apache.org/jira/browse/LUCENE-1496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12659445#action_12659445
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Uwe Schindler commented on LUCENE-1496:
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I am thinking about extending TrieUtils and TrieRangeQuery for 32bit values
(ints and floats). Doing this, the other methods in NumberUtils would be
obsolete, too. This was just a suggestion, maybe we should talk a little bit
more about this.
On my first look through the code, I had not seen, that NumberUtils also
supports doubles like TrieUtils, the only difference is the use of
doubleToLongBits() vs. doubleToRawLongBits(). I am not sure what is better :-(,
does anybody know more about this? Im my opinion the version with/without raw
also normalizes doubles, so NaN compares with ==, anything other?
To my changes in TrieUtils for support of 32bit: I am currently not sure how to
do this elegant. Esp. the auto detection of trie encoding is not so happy on
changing this :-( As 2.9 is not yet released, I have time to change the classes
and signatures without worry about deprecation and format changes. So a good
point to unify TrieUtils and NumberUtils. Maybe TrieRangeQuery will make it
into the core, when flexible indexing is available.
So my questions: Is anybody interested in TrieUtils also support 32bit? Why not
unify NumberUtils and TrieUtils? Any ideas?
> Move solr NumberUtils to lucene
> -------------------------------
>
> Key: LUCENE-1496
> URL: https://issues.apache.org/jira/browse/LUCENE-1496
> Project: Lucene - Java
> Issue Type: Task
> Reporter: Ryan McKinley
> Priority: Trivial
> Fix For: 2.9
>
>
> solr includes a NumberUtils class with some general utilities for dealing
> with tokens and numbers.
> This should be in lucene rather then solr.
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