The current GeoCircleFactory can't make zero-width circles. We should fix that.
Michael McCandless: Here's a patch that handles the zero-width circle case.
Thanks Karl Wright, looks good, I'll commit shortly!
Commit 1702458 from Michael McCandless in branch 'dev/trunk'
[ https://svn.apache.org/r1702458 ]
LUCENE-6798: handle degenerate (too tiny) circles in geo3d
Commit 1702460 from Michael McCandless in branch 'dev/branches/branch_5x'
[ https://svn.apache.org/r1702460 ]