X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Data%2FComplex.hs;h=369250149267dddf662073c0b77fdedea3ef62b2;hb=HEAD;hp=9765edafa018d16084db245cbc262adc6c5bafc5;hpb=41e8fba828acbae1751628af50849f5352b27873;p=ghc-base.git

diff --git a/Data/Complex.hs b/Data/Complex.hs
index 9765eda..3692501 100644
--- a/Data/Complex.hs
+++ b/Data/Complex.hs
@@ -1,4 +1,7 @@
 {-# LANGUAGE CPP, DeriveDataTypeable #-}
+#ifdef __GLASGOW_HASKELL__
+{-# LANGUAGE StandaloneDeriving #-}
+#endif
 
 -----------------------------------------------------------------------------
 -- |
@@ -64,7 +67,7 @@ infix  6  :+
 -- For a complex number @z@, @'abs' z@ is a number with the magnitude of @z@,
 -- but oriented in the positive real direction, whereas @'signum' z@
 -- has the phase of @z@, but unit magnitude.
-data (RealFloat a) => Complex a
+data Complex a
   = !a :+ !a    -- ^ forms a complex number from its real and imaginary
                 -- rectangular components.
 # if __GLASGOW_HASKELL__