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[project @ 2003-02-06 10:41:10 by ross]
[ghc-base.git]
/
Data
/
Complex.hs
diff --git
a/Data/Complex.hs
b/Data/Complex.hs
index
c9f8334
..
3b15691
100644
(file)
--- a/
Data/Complex.hs
+++ b/
Data/Complex.hs
@@
-43,6
+43,10
@@
import Prelude
import Data.Dynamic
#endif
import Data.Dynamic
#endif
+#ifdef __HUGS__
+import Hugs.Prelude(Num(fromInt), Fractional(fromDouble))
+#endif
+
infix 6 :+
-- -----------------------------------------------------------------------------
infix 6 :+
-- -----------------------------------------------------------------------------
@@
-106,6
+110,9
@@
instance (RealFloat a) => Num (Complex a) where
signum 0 = 0
signum z@(x:+y) = x/r :+ y/r where r = magnitude z
fromInteger n = fromInteger n :+ 0
signum 0 = 0
signum z@(x:+y) = x/r :+ y/r where r = magnitude z
fromInteger n = fromInteger n :+ 0
+#ifdef __HUGS__
+ fromInt n = fromInt n :+ 0
+#endif
instance (RealFloat a) => Fractional (Complex a) where
{-# SPECIALISE instance Fractional (Complex Float) #-}
instance (RealFloat a) => Fractional (Complex a) where
{-# SPECIALISE instance Fractional (Complex Float) #-}
@@
-117,6
+124,9
@@
instance (RealFloat a) => Fractional (Complex a) where
d = x'*x'' + y'*y''
fromRational a = fromRational a :+ 0
d = x'*x'' + y'*y''
fromRational a = fromRational a :+ 0
+#ifdef __HUGS__
+ fromDouble a = fromDouble a :+ 0
+#endif
instance (RealFloat a) => Floating (Complex a) where
{-# SPECIALISE instance Floating (Complex Float) #-}
instance (RealFloat a) => Floating (Complex a) where
{-# SPECIALISE instance Floating (Complex Float) #-}