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https://issues.apache.org/jira/browse/XALANC-722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13216313#comment-13216313
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Steven J. Hathaway commented on XALANC-722:
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The precision for DOUBLE is confirmed correct. 17-18 decimal digits represents
the effective IEEE DOUBLE precision.
It also looks like NAN, and +- Infinity may also be correct.
The issue should be closed.
> Xalan-C represents numbers as FLOAT precision instead of DOUBLE
> ---------------------------------------------------------------
>
> Key: XALANC-722
> URL: https://issues.apache.org/jira/browse/XALANC-722
> Project: XalanC
> Issue Type: Bug
> Components: XalanC
> Affects Versions: CurrentCVS, 1.10
> Reporter: Steven J. Hathaway
>
> XalanC represents numbers with type FLOAT precision instead of DOUBLE. This
> affects the interpretations for INF, NaN and Zero. The underlying numeric
> storage is type DOUBLE. Some of these issues may be how the printf()
> functions is used. There may also be related issues with some format string
> patterns.
> This is a rollup of several older number issues. Most stylesheets function
> properly. It is the boundary conditions and exceptional patterns that have
> issues.
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