#4867: ghci displays negative floats incorrectly (was: Incorrect result from
trig
functions)
-------------------------------+--------------------------------------------
Reporter: gwright | Owner: gwright
Type: bug | Status: new
Priority: high | Milestone: 7.0.2
Component: GHCi | Version: 7.0.1
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: MacOS X | Blocking:
Architecture: x86_64 (amd64) | Failure: Incorrect result at runtime
-------------------------------+--------------------------------------------
Comment(by gwright):
The attached patch fixes this bug. Tested with a fresh pull of ghc-7.0
branch on 8 Feb 2011.
Here's testsuite_summary.txt:
{{{
OVERALL SUMMARY for test run started at Wed Feb 9 14:58:03 EST 2011
2683 total tests, which gave rise to
10035 test cases, of which
0 caused framework failures
7661 were skipped
2246 expected passes
91 expected failures
0 unexpected passes
37 unexpected failures
Unexpected failures:
1372(normal)
1959(normal)
2578(normal)
3586(normal)
4850(normal)
MethSharing(normal)
T1969(normal)
T3007(normal)
T3064(normal)
T3294(normal)
T3736(normal)
T4059(normal)
T4801(normal)
bug1465(normal)
cabal01(normal)
cabal04(normal)
conc070(ghci)
derefnull(normal)
driver062a(normal)
driver062b(normal)
driver062c(normal)
driver062d(normal)
driver062e(normal)
driver081a(normal)
driver081b(normal)
gadt23(normal)
ghciprog004(normal)
hs-boot(normal)
mod179(normal)
outofmem(normal)
prog003(ghci)
recomp004(normal)
rn.prog006(normal)
rtsopts001(normal)
rtsopts002(normal)
space_leak_001(normal)
withRtsOpts(normal)
}}}
It's mildly interesting how this bug made little difference in the number
of failed tests. Almost no `ghci` tests seem to print negative Doubles as
their final answer.
Another patch with the additional debug statements, comments and coding
standard upgrades will be attached later. This patch only corrects the
relocation bug itself.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4867#comment:29>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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