Data.Complex.magnitude squares using ^(2 :: Int), which is slow
Data.Complex.magnitude squares using ^(2 :: Int)
, which is slow. Either it should use sqr x = x * x
or a rule should rewrite e ^ (2 :: Int)
to do so (or perhaps both; the RULE for general cases, and the manual sqr
for hugs etc).
More detail in this thread: http://www.haskell.org/pipermail/haskell-cafe/2008-July/045327.html
Trac metadata
Trac field | Value |
---|---|
Version | 6.8.3 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | libraries/base |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | |
Operating system | Unknown |
Architecture | Unknown |