From d1d83f8663afa876603cd42c7f5e20478ad44567 Mon Sep 17 00:00:00 2001
From: "simonpj@microsoft" <unknown>
Date: Wed, 1 Nov 2006 10:20:59 +0000
Subject: [PATCH] Add deriving Data to Complex

---
 Data/Complex.hs |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Data/Complex.hs b/Data/Complex.hs
index 749ba91..263b052 100644
--- a/Data/Complex.hs
+++ b/Data/Complex.hs
@@ -44,6 +44,7 @@ module Data.Complex
 import Prelude
 
 import Data.Typeable
+import Data.Generics.Basics( Data )
 
 #ifdef __HUGS__
 import Hugs.Prelude(Num(fromInt), Fractional(fromDouble))
@@ -62,7 +63,11 @@ 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
-- 
1.7.10.4