From e83e2023da77ecaa9aaba15bc9bd48757f73b3a9 Mon Sep 17 00:00:00 2001
From: Hiromi ISHII <konn.jinro@gmail.com>
Date: Mon, 25 Dec 2017 20:23:13 +0900
Subject: Workaround for GHC-8.4.x

* Adds missing Semigroup instances
* Adds `semigroups` to the deps of `hmatrix`
* Hides conflicting names from import list with base >= 4.11
    * `(Prelude.<>)` and `GHC.TypeNats.Mod`
---
 packages/tests/src/Numeric/LinearAlgebra/Tests.hs            | 4 ++++
 packages/tests/src/Numeric/LinearAlgebra/Tests/Instances.hs  | 6 ++++--
 packages/tests/src/Numeric/LinearAlgebra/Tests/Properties.hs | 4 ++++
 3 files changed, 12 insertions(+), 2 deletions(-)

(limited to 'packages/tests/src')

diff --git a/packages/tests/src/Numeric/LinearAlgebra/Tests.hs b/packages/tests/src/Numeric/LinearAlgebra/Tests.hs
index 6d54f4d..2aefc87 100644
--- a/packages/tests/src/Numeric/LinearAlgebra/Tests.hs
+++ b/packages/tests/src/Numeric/LinearAlgebra/Tests.hs
@@ -39,7 +39,11 @@ import Numeric.LinearAlgebra.Tests.Properties
 import Test.HUnit hiding ((~:),test,Testable,State)
 import System.Info
 import Data.List(foldl1')
+#if MIN_VERSION_base(4,11,0)
+import Prelude hiding ((^),(<>))
+#else
 import Prelude hiding ((^))
+#endif
 import qualified Prelude
 import System.CPUTime
 import System.Exit
diff --git a/packages/tests/src/Numeric/LinearAlgebra/Tests/Instances.hs b/packages/tests/src/Numeric/LinearAlgebra/Tests/Instances.hs
index 37f7da2..f0bddd0 100644
--- a/packages/tests/src/Numeric/LinearAlgebra/Tests/Instances.hs
+++ b/packages/tests/src/Numeric/LinearAlgebra/Tests/Instances.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE FlexibleContexts, UndecidableInstances, FlexibleInstances, ScopedTypeVariables #-}
+{-# LANGUAGE CPP, FlexibleContexts, UndecidableInstances, FlexibleInstances, ScopedTypeVariables #-}
 -----------------------------------------------------------------------------
 {- |
 Module      :  Numeric.LinearAlgebra.Tests.Instances
@@ -32,7 +32,9 @@ import Test.QuickCheck(Arbitrary,arbitrary,choose,vector,sized,shrink)
 import GHC.TypeLits
 import Data.Proxy (Proxy(..))
 import qualified Numeric.LinearAlgebra.Static as Static
-
+#if MIN_VERSION_base(4,11,0)
+import Prelude hiding ((<>))
+#endif
 
 shrinkListElementwise :: (Arbitrary a) => [a] -> [[a]]
 shrinkListElementwise []     = []
diff --git a/packages/tests/src/Numeric/LinearAlgebra/Tests/Properties.hs b/packages/tests/src/Numeric/LinearAlgebra/Tests/Properties.hs
index 0de9f37..e3a6242 100644
--- a/packages/tests/src/Numeric/LinearAlgebra/Tests/Properties.hs
+++ b/packages/tests/src/Numeric/LinearAlgebra/Tests/Properties.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE TypeFamilies #-}
 {-# LANGUAGE DataKinds #-}
@@ -58,6 +59,9 @@ import Data.Binary
 import Data.Binary.Get (runGet)
 import Data.Either (isLeft)
 import Debug.Trace (traceShowId)
+#if MIN_VERSION_base(4,11,0)
+import Prelude hiding ((<>))
+#endif
 
 (~=) :: Double -> Double -> Bool
 a ~= b = abs (a - b) < 1e-10
-- 
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