[GitHub] [lucenenet] NightOwl888 commented on issue #549: Failing Test: Lucene.Net.Search.Join.TestJoinUtil::TestMultiValueRandomJoin()

[GitBox <gi...@apache.org>]

NightOwl888 commented on issue #549:
URL: https://github.com/apache/lucenenet/issues/549#issuecomment-987941110


   Actually, I was able to rule a lot of stuff out right away because it only failed under rare circumstances, I was able to isolate it to the `Lucene.Net` assembly by disabling optimizations, and the actual number of calls into `Lucene.Net` were limited for this test. The part about *where* it was failing was a bit confusing, though - the method doing the actual float math was returning the correct value, but this intermediate method was truncating it when it returned.
   
   That said, I haven't come up with a good explanation why casting fixes it but using `MethodImplOptons.NoOptimization` on this method and all methods that it calls does not fix it. But casting seems to make the jitter happy.


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