Remove redundant constraints on arith instances

1 files changed, 3 insertions, 3 deletions

diff --git a/src/Data/Array/Nested/Internal/Mixed.hs b/src/Data/Array/Nested/Internal/Mixed.hs
index b72581e..08f97f0 100644
--- a/src/Data/Array/Nested/Internal/Mixed.hs
+++ b/src/Data/Array/Nested/Internal/Mixed.hs
@@ -224,7 +224,7 @@ mliftNumElt2 f (toPrimitive -> M_Primitive sh1 (XArray arr1)) (toPrimitive -> M_
   | sh1 == sh2 = fromPrimitive $ M_Primitive sh1 (XArray (f (shxRank sh1) arr1 arr2))
   | otherwise = error $ "Data.Array.Nested: Shapes unequal in elementwise Num operation: " ++ show sh1 ++ " vs " ++ show sh2
 
-instance (NumElt a, PrimElt a, Num a) => Num (Mixed sh a) where
+instance (NumElt a, PrimElt a) => Num (Mixed sh a) where
   (+) = mliftNumElt2 numEltAdd
   (-) = mliftNumElt2 numEltSub
   (*) = mliftNumElt2 numEltMul
@@ -234,12 +234,12 @@ instance (NumElt a, PrimElt a, Num a) => Num (Mixed sh a) where
   -- TODO: THIS IS BAD, WE NEED TO REMOVE THIS
   fromInteger = error "Data.Array.Nested.fromInteger: Cannot implement fromInteger, use mreplicateScal"
 
-instance (FloatElt a, PrimElt a, Num a) => Fractional (Mixed sh a) where
+instance (FloatElt a, PrimElt a) => Fractional (Mixed sh a) where
   fromRational _ = error "Data.Array.Nested.fromRational: No singletons available, use explicit mreplicate"
   recip = mliftNumElt1 floatEltRecip
   (/) = mliftNumElt2 floatEltDiv
 
-instance (FloatElt a, PrimElt a, Num a) => Floating (Mixed sh a) where
+instance (FloatElt a, PrimElt a) => Floating (Mixed sh a) where
   pi = error "Data.Array.Nested.pi: No singletons available, use explicit mreplicate"
   exp = mliftNumElt1 floatEltExp
   log = mliftNumElt1 floatEltLog