Sun Jun 1 05:07:59 PDT 2008 Ian Lynagh <igloo at earth.li>
* Tweak the definition of (^) again
This fixes trac #2306 (do the minimum number of (*)s), and also means
that we don't use the value of (1 :: a) which causes problems if the
Num a definition isn't complete.
M ./GHC/Real.lhs -4 +8