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https://issues.apache.org/jira/browse/THRIFT-3433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15014277#comment-15014277
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Tom Lippincott commented on THRIFT-3433:
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One more point: the Compact protocol works fine *within* Haskell, i.e. I can
correctly write then read doubles using Haskell on both ends, the problem comes
when interoperating with Python (and probably other languages).
> Doubles aren't interpreted correctly
> ------------------------------------
>
> Key: THRIFT-3433
> URL: https://issues.apache.org/jira/browse/THRIFT-3433
> Project: Thrift
> Issue Type: Bug
> Components: Haskell - Library
> Affects Versions: 0.9.3
> Reporter: Tom Lippincott
>
> When reading in a string-to-double map from the identical file using the
> Compact protocol, Python gives the correct values:
> ...
> u'roh': -12.012431158160835
> ...
> but Haskell is totally off:
> ...
> ("roh",6.355136015066463e-157)
> ...
> The funny thing is, if I read it into Haskell (and the numbers are all off),
> then write it out to another file, that file still has correct numbers when
> loaded into Python. So it seems that the raw information is being
> (de)serialized correctly at the bit-level, but Haskell isn't interpreting it
> as a double the same way as Python...
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