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e511f49828
Only a handful of types had sensible tensorVal implementations. This is now evident in type signatures at the expense of them being more verbose.
68 lines
2.7 KiB
Haskell
68 lines
2.7 KiB
Haskell
-- Copyright 2016 TensorFlow authors.
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--
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-- Licensed under the Apache License, Version 2.0 (the "License");
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-- you may not use this file except in compliance with the License.
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-- You may obtain a copy of the License at
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--
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-- http://www.apache.org/licenses/LICENSE-2.0
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--
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-- Unless required by applicable law or agreed to in writing, software
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-- distributed under the License is distributed on an "AS IS" BASIS,
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-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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-- See the License for the specific language governing permissions and
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-- limitations under the License.
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{-# LANGUAGE ScopedTypeVariables #-}
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import Data.Int (Int32, Int64)
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import Data.List (genericLength)
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import Google.Test (googleTest)
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import Test.Framework.Providers.QuickCheck2 (testProperty)
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import Test.HUnit ((@=?))
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import Test.QuickCheck (Arbitrary(..), Property, choose, vectorOf)
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import Test.QuickCheck.Monadic (monadicIO, run)
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import qualified Data.Vector as V
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import qualified TensorFlow.GenOps.Core as CoreOps
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import qualified TensorFlow.Ops as TF
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import qualified TensorFlow.Session as TF
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import qualified TensorFlow.Tensor as TF
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import qualified TensorFlow.Types as TF
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-- DynamicSplit is undone with DynamicStitch to get the original input
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-- back.
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testDynamicPartitionStitchInverse ::
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forall a. (TF.TensorType a, TF.TensorProtoLens a, Show a, Eq a)
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=> StitchExample a -> Property
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testDynamicPartitionStitchInverse (StitchExample numParts values partitions) =
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let splitParts :: [TF.Tensor TF.Value a] =
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CoreOps.dynamicPartition numParts (TF.vector values) partTensor
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partTensor = TF.vector partitions
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restitchIndices = CoreOps.dynamicPartition numParts
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(TF.vector [0..genericLength values-1])
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partTensor
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-- drop (numParts - 2) from both args to expose b/27343984
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restitch = CoreOps.dynamicStitch restitchIndices splitParts
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in monadicIO $ run $ do
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fromIntegral numParts @=? length splitParts
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valuesOut <- TF.runSession $ TF.buildAnd TF.run $ return restitch
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V.fromList values @=? valuesOut
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data StitchExample a = StitchExample Int64 [a] [Int32]
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deriving Show
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instance Arbitrary a => Arbitrary (StitchExample a) where
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arbitrary = do
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-- Limits the size of the vector.
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size <- choose (1, 100)
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values <- vectorOf size arbitrary
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numParts <- choose (2, 15)
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partitions <- vectorOf size (choose (0, fromIntegral numParts - 1))
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return $ StitchExample numParts values partitions
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main :: IO ()
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main = googleTest
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[ testProperty "DynamicPartitionStitchInverse"
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(testDynamicPartitionStitchInverse :: StitchExample Int64 -> Property)
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]
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