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Add ToTensor class

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This commit is contained in:
fkm3 2017-05-15 22:09:21 -07:00
parent d98e5d637c
commit ddb4fe4f90
2 changed files with 14 additions and 2 deletions
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5
tensorflow-ops/src/TensorFlow/Variable.hs
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@ -30,7 +30,7 @@ import TensorFlow.Core
import TensorFlow.Build (opDef) import TensorFlow.Build (opDef)
import TensorFlow.BuildOp (buildInputs, pureOp, OpParams) import TensorFlow.BuildOp (buildInputs, pureOp, OpParams)
import TensorFlow.Output (opInputs, unNodeName) import TensorFlow.Output (opInputs, unNodeName)
import TensorFlow.Tensor (Rendered(..), tensorNodeName) import TensorFlow.Tensor (Rendered(..), ToTensor(..), tensorNodeName)
import TensorFlow.Types (tensorType) import TensorFlow.Types (tensorType)
import qualified TensorFlow.GenOps.Core as CoreOps import qualified TensorFlow.GenOps.Core as CoreOps
import TensorFlow.Ops (zeros) import TensorFlow.Ops (zeros)
@ -40,6 +40,9 @@ newtype Variable a = Variable (Tensor Value ResourceHandle)
instance Rendered Variable where instance Rendered Variable where
renderedOutput (Variable v) = renderedOutput v renderedOutput (Variable v) = renderedOutput v
instance ToTensor Variable where
toTensor = readValue
-- | Creates a new, uninitialized variable. -- | Creates a new, uninitialized variable.
variable :: (MonadBuild m, TensorType a) => Shape -> m (Variable a) variable :: (MonadBuild m, TensorType a) => Shape -> m (Variable a)
variable = variable' id variable = variable' id

11
tensorflow/src/TensorFlow/Tensor.hs
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@ -38,7 +38,8 @@ import Proto.Tensorflow.Core.Framework.NodeDef (device)
import TensorFlow.Build import TensorFlow.Build
import TensorFlow.Output (Output, NodeName, outputNodeName, Device(..)) import TensorFlow.Output (Output, NodeName, outputNodeName, Device(..))
import TensorFlow.Types import TensorFlow.Types
( TensorData(..) ( TensorType
, TensorData(..)
, ListOf(..) , ListOf(..)
) )
import qualified TensorFlow.Internal.FFI as FFI import qualified TensorFlow.Internal.FFI as FFI
@ -189,3 +190,11 @@ instance TensorKind Ref where
instance TensorKind Build where instance TensorKind Build where
toBuild = id toBuild = id
-- | Types which can be converted to `Tensor`.
class ToTensor t where
toTensor :: TensorType a => t a -> Tensor Build a
instance TensorKind v => ToTensor (Tensor v) where
toTensor = expr