X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Data%2FComplex.hs;h=0f8d13ba98a4e550cf55e34f67485d67d93af817;hb=567080c906535534628b1ab83a4a4425dcd4bb5e;hp=6b9999b19c3533ca43791a96c58dcf3a0accd7aa;hpb=7316246c1797d46f5757ae156486f09b3db083d9;p=haskell-directory.git

diff --git a/Data/Complex.hs b/Data/Complex.hs
index 6b9999b..0f8d13b 100644
--- a/Data/Complex.hs
+++ b/Data/Complex.hs
@@ -43,8 +43,9 @@ module Data.Complex
 
 import Prelude
 
-#ifndef __NHC__
 import Data.Typeable
+#ifdef __GLASGOW_HASKELL__
+import Data.Generics.Basics( Data )
 #endif
 
 #ifdef __HUGS__
@@ -64,7 +65,11 @@ infix  6  :+
 data (RealFloat a) => Complex a
   = !a :+ !a	-- ^ forms a complex number from its real and imaginary
 		-- rectangular components.
-  deriving (Eq, Read, Show)
+# if __GLASGOW_HASKELL__
+	deriving (Eq, Show, Read, Data)
+# else
+	deriving (Eq, Show, Read)
+# endif
 
 -- -----------------------------------------------------------------------------
 -- Functions over Complex