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/Properties.hs | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'packages/tests/src/Numeric/LinearAlgebra/Tests/Properties.hs')

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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