From 19eab026f4f4c6a2d38ceb1fffa6062ba2637a46 Mon Sep 17 00:00:00 2001
From: Tom Smeding <tom@tomsmeding.com>
Date: Thu, 30 May 2024 21:55:05 +0200
Subject: Fix wrongly ported X.cast

---
 src/Data/Array/Mixed.hs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/Data/Array/Mixed.hs b/src/Data/Array/Mixed.hs
index b14cc1e..d5a8b78 100644
--- a/src/Data/Array/Mixed.hs
+++ b/src/Data/Array/Mixed.hs
@@ -71,9 +71,9 @@ cast ssh1 sh2 ssh' (XArray arr)
   , Refl <- lemRankApp (ssxFromShape sh2) ssh'
   = let arrsh :: IShX sh1
         (arrsh, _) = shxSplitApp (Proxy @sh') ssh1 (shape (ssxAppend ssh1 ssh') (XArray arr))
-    in case shxEqual arrsh sh2 of
-         Just _ -> XArray arr
-         Nothing -> error $ "Data.Array.Mixed.cast: Cannot cast (" ++ show arrsh ++ ") to (" ++ show sh2 ++ ")"
+    in if shxToList arrsh == shxToList sh2
+         then XArray arr
+         else error $ "Data.Array.Mixed.cast: Cannot cast (" ++ show arrsh ++ ") to (" ++ show sh2 ++ ")"
 
 unScalar :: Storable a => XArray '[] a -> a
 unScalar (XArray a) = S.unScalar a
-- 
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