mirror of
https://github.com/HuwCampbell/grenade.git
synced 2024-11-25 05:34:37 +03:00
42 lines
1.3 KiB
Haskell
42 lines
1.3 KiB
Haskell
{-# LANGUAGE RankNTypes #-}
|
|
{-# LANGUAGE DataKinds #-}
|
|
{-# LANGUAGE ScopedTypeVariables #-}
|
|
{-# LANGUAGE GADTs #-}
|
|
|
|
module Test.Hedgehog.Hmatrix where
|
|
|
|
import Grenade
|
|
import Data.Singletons
|
|
import Data.Singletons.TypeLits
|
|
|
|
import Hedgehog (Gen)
|
|
import qualified Hedgehog.Gen as Gen
|
|
import qualified Hedgehog.Range as Range
|
|
|
|
import qualified Numeric.LinearAlgebra.Static as HStatic
|
|
|
|
randomVector :: forall n. ( KnownNat n ) => Gen (HStatic.R n)
|
|
randomVector = (\s -> HStatic.randomVector s HStatic.Uniform * 2 - 1) <$> Gen.int Range.linearBounded
|
|
|
|
uniformSample :: forall m n. ( KnownNat m, KnownNat n ) => Gen (HStatic.L m n)
|
|
uniformSample = (\s -> HStatic.uniformSample s (-1) 1 ) <$> Gen.int Range.linearBounded
|
|
|
|
-- | Generate random data of the desired shape
|
|
genOfShape :: forall x. ( SingI x ) => Gen (S x)
|
|
genOfShape =
|
|
case (sing :: Sing x) of
|
|
D1Sing l ->
|
|
withKnownNat l $
|
|
S1D <$> randomVector
|
|
D2Sing r c ->
|
|
withKnownNat r $ withKnownNat c $
|
|
S2D <$> uniformSample
|
|
D3Sing r c d ->
|
|
withKnownNat r $ withKnownNat c $ withKnownNat d $
|
|
S3D <$> uniformSample
|
|
|
|
nice :: S shape -> String
|
|
nice (S1D x) = show . HStatic.extract $ x
|
|
nice (S2D x) = show . HStatic.extract $ x
|
|
nice (S3D x) = show . HStatic.extract $ x
|