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https://issues.apache.org/jira/browse/GEOMETRY-51?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16815892#comment-16815892
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Matt Juntunen commented on GEOMETRY-51:
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We should probably just check for this on construction and throw an
{{IllegalArgumentException}}. Feel free to submit a PR on Github.
> EpsilonDoublePrecisionContext allows negative & NaN epsilon
> -----------------------------------------------------------
>
> Key: GEOMETRY-51
> URL: https://issues.apache.org/jira/browse/GEOMETRY-51
> Project: Apache Commons Geometry
> Issue Type: Bug
> Reporter: Baljit Singh
> Priority: Major
>
> EpsilonDoublePrecisionContext does not validate the epsilon to be positive (0
> or greater). The comparison is based on Precision.compareTo(double, double,
> double), which itself calls Precision.equals(double, double, double), which
> then compares using Math.abs(y - x) <= eps. If epsilon is negative or NaN,
> the comparison is invalid.
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