Floating point error with -msse2
Compile and run this program:
main = print (cos 0)And you get
$ ghc -O2 -fforce-recomp -msse2 Main.hs
[1 of 1] Compiling Main ( Main.hs, Main.o )
Linking Main.exe ...
$ ./Main
5.249681779125557e-308(This is a bug in ghc 7.2.2, but that 7.2.2 is not one of the available version choices.)
Trac metadata
| Trac field | Value |
|---|---|
| Version | 7.2.1 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | Windows |
| Architecture |