mirror of
https://github.com/tensorflow/haskell.git
synced 2024-11-05 02:29:41 +01:00
79 lines
2.5 KiB
Haskell
79 lines
2.5 KiB
Haskell
{-# LANGUAGE OverloadedLists #-}
|
|
module Main (main) where
|
|
|
|
import Control.Monad.IO.Class (liftIO)
|
|
import qualified Data.Vector.Storable as V
|
|
import Google.Test (googleTest)
|
|
import TensorFlow.Core
|
|
( unScalar
|
|
, render
|
|
, run_
|
|
, runSession
|
|
, run
|
|
, withControlDependencies)
|
|
import qualified TensorFlow.Ops as Ops
|
|
import TensorFlow.Variable
|
|
( readValue
|
|
, initializedVariable
|
|
, assign
|
|
, assignAdd
|
|
, variable
|
|
)
|
|
import Test.Framework (Test)
|
|
import Test.Framework.Providers.HUnit (testCase)
|
|
import Test.HUnit ((@=?))
|
|
|
|
main :: IO ()
|
|
main = googleTest [ testInitializedVariable
|
|
, testInitializedVariableShape
|
|
, testDependency
|
|
, testRereadRef
|
|
, testAssignAdd
|
|
]
|
|
|
|
testInitializedVariable :: Test
|
|
testInitializedVariable =
|
|
testCase "testInitializedVariable" $ runSession $ do
|
|
(formula, reset) <- do
|
|
v <- initializedVariable 42
|
|
r <- assign v 24
|
|
return (1 + readValue v, r)
|
|
result <- run formula
|
|
liftIO $ 43 @=? (unScalar result :: Float)
|
|
run_ reset -- Updates v to a different value
|
|
rerunResult <- run formula
|
|
liftIO $ 25 @=? (unScalar rerunResult :: Float)
|
|
|
|
testInitializedVariableShape :: Test
|
|
testInitializedVariableShape =
|
|
testCase "testInitializedVariableShape" $ runSession $ do
|
|
vector <- initializedVariable (Ops.constant [1] [42 :: Float])
|
|
result <- run (readValue vector)
|
|
liftIO $ [42] @=? (result :: V.Vector Float)
|
|
|
|
testDependency :: Test
|
|
testDependency =
|
|
testCase "testDependency" $ runSession $ do
|
|
v <- variable []
|
|
a <- assign v 24
|
|
r <- withControlDependencies a $ render (readValue v + 18)
|
|
result <- run r
|
|
liftIO $ (42 :: Float) @=? unScalar result
|
|
|
|
-- | See https://github.com/tensorflow/haskell/issues/92.
|
|
-- Even though we're not explicitly evaluating `f0` until the end,
|
|
-- it should hold the earlier value of the variable.
|
|
testRereadRef :: Test
|
|
testRereadRef = testCase "testReRunAssign" $ runSession $ do
|
|
w <- initializedVariable 0
|
|
f0 <- run (readValue w)
|
|
run_ =<< assign w (Ops.scalar (0.1 :: Float))
|
|
f1 <- run (readValue w)
|
|
liftIO $ (0.0, 0.1) @=? (unScalar f0, unScalar f1)
|
|
|
|
testAssignAdd :: Test
|
|
testAssignAdd = testCase "testAssignAdd" $ runSession $ do
|
|
w <- initializedVariable 42
|
|
run_ =<< assignAdd w 17
|
|
f1 <- run (readValue w)
|
|
liftIO $ (42 + 17 :: Float) @=? unScalar f1
|