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  • #2450
Closed
Open
Created Jul 18, 2008 by Ian Lynagh <igloo@earth.li>@trac-igloo

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
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Operating system Unknown
Architecture Unknown
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