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Fixed. Could not deduce (TensorType a)

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This commit is contained in:
Lupino 2017-04-03 11:43:47 +08:00
parent 665730d6bd
commit 5df9ac4086
1 changed files with 2 additions and 2 deletions
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4
tensorflow/src/TensorFlow/Types.hs
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@ -262,7 +262,7 @@ instance TensorDataType S.Vector Bool where
where
fromBool x = if x then 1 else 0 :: Word8
instance {-# OVERLAPPABLE #-} (Storable a, TensorDataType S.Vector a)
instance {-# OVERLAPPABLE #-} (TensorType a, Storable a, TensorDataType S.Vector a)
=> TensorDataType V.Vector a where
decodeTensorData = (S.convert :: S.Vector a -> V.Vector a) . decodeTensorData
encodeTensorData x = encodeTensorData x . (S.convert :: V.Vector a -> S.Vector a)
@ -329,7 +329,7 @@ newtype Scalar a = Scalar {unScalar :: a}
deriving (Show, Eq, Ord, Num, Fractional, Floating, Real, RealFloat,
RealFrac, IsString)
instance TensorDataType V.Vector a => TensorDataType Scalar a where
instance (TensorType a, TensorDataType V.Vector a) => TensorDataType Scalar a where
decodeTensorData = Scalar . headFromSingleton . decodeTensorData
encodeTensorData x (Scalar y) = encodeTensorData x (V.fromList [y])