#4391: forkIO threads do not properly save/restore the floating point
environment
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Reporter: draconx | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 7.2.1
Component: Runtime System | Version: 6.12.3
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: x86_64 (amd64) | Failure: None/Unknown
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Comment(by isaacdupree):
An example which actually does computation with Doubles or Floats and gets
the "wrong" answer would be helpful. I imagine that different-rounding-
than-expected should be pretty easy to demonstrate. If you can, also make
an example that does something worse than that due to a Float arithmetic-
operation being executed with an unfortunate floating-point environment.
(say, crashing the program, or getting a totally bogus result that isn't
even close). This can help as both a test-case and a measure of practical
severity.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4391#comment:8>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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