#5764: Double addition error
-------------------------+--------------------------------------------------
Reporter: jimstutt | Owner:
Type: bug | Status: closed
Priority: normal | Component: Compiler
Version: 7.2.2 | Resolution: invalid
Keywords: | Os: Unknown/Multiple
Architecture: x86 | Failure: Incorrect result at runtime
Testcase: | Blockedby:
Blocking: | Related:
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Changes (by ross):
* status: new => closed
* resolution: => invalid
Comment:
It's an artifact of fixed-precision floating point not being able to
represent decimal fractions exactly; you get the same from C:
{{{
#include <stdio.h>
int main() {
printf("%.17f\n", 0.1+0.2);
return 0;
}
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5764#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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