#3897: reading a large String as Double takes too long
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Reporter: maeder | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 7.2.1
Component: Prelude | Version: 6.12.1
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Linux | Blocking:
Architecture: x86 | Failure: Runtime performance bug
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Comment(by maeder):
It does not even need an undecidable type system for compilation to fail.
The following source is enough:
{{{
main = print 1E1000000000
}}}
Using Rational or Integer is a bad idea to compute the exponent factor
(with "^" or "^^"), in particular since the exponent notation is not
supported for these types.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3897#comment:6>
GHC <http://www.haskell.org/ghc/>
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