3 files changed, 20 insertions, 4 deletions
diff --git a/src/Data/Array/Nested/Internal/Mixed.hs b/src/Data/Array/Nested/Internal/Mixed.hs
index 69df52a..7dbff83 100644
--- a/src/Data/Array/Nested/Internal/Mixed.hs
+++ b/src/Data/Array/Nested/Internal/Mixed.hs
@@ -812,10 +812,16 @@ mmaxIndexPrim :: (PrimElt a, NumElt a) => Mixed sh a -> IIxX sh
 mmaxIndexPrim (toPrimitive -> M_Primitive sh (XArray arr)) =
   ixxFromList (ssxFromShape sh) (numEltMaxIndex arr)
 
-mdot :: (PrimElt a, NumElt a) => Mixed '[n] a -> Mixed '[n] a -> a
-mdot (toPrimitive -> M_Primitive _ (XArray arr1)) (toPrimitive -> M_Primitive _ (XArray arr2)) =
+mdot1 :: (PrimElt a, NumElt a) => Mixed '[n] a -> Mixed '[n] a -> a
+mdot1 (toPrimitive -> M_Primitive _ (XArray arr1)) (toPrimitive -> M_Primitive _ (XArray arr2)) =
   numEltDotprod arr1 arr2
 
+-- | This has a temporary, suboptimal implementation in terms of 'mflatten'.
+-- Prefer 'mdot1' if applicable.
+mdot :: (PrimElt a, NumElt a) => Mixed sh a -> Mixed sh a -> a
+mdot a b = mdot1 (fromPrimitive (mflatten (toPrimitive a)))
+                 (fromPrimitive (mflatten (toPrimitive b)))
+
 mtoXArrayPrimP :: Mixed sh (Primitive a) -> (IShX sh, XArray sh a)
 mtoXArrayPrimP (M_Primitive sh arr) = (sh, arr)
 
diff --git a/src/Data/Array/Nested/Internal/Ranked.hs b/src/Data/Array/Nested/Internal/Ranked.hs
index 59c1820..1518791 100644
--- a/src/Data/Array/Nested/Internal/Ranked.hs
+++ b/src/Data/Array/Nested/Internal/Ranked.hs
@@ -464,7 +464,12 @@ rmaxIndexPrim rarr@(Ranked arr)
   | Refl <- lemRankReplicate (rrank (rtoPrimitive rarr))
   = ixCvtXR (mmaxIndexPrim arr)
 
-rdot :: (PrimElt a, NumElt a) => Ranked 1 a -> Ranked 1 a -> a
+rdot1 :: (PrimElt a, NumElt a) => Ranked 1 a -> Ranked 1 a -> a
+rdot1 = coerce mdot1
+
+-- | This has a temporary, suboptimal implementation in terms of 'mflatten'.
+-- Prefer 'rdot1' if applicable.
+rdot :: (PrimElt a, NumElt a) => Ranked n a -> Ranked n a -> a
 rdot = coerce mdot
 
 rtoXArrayPrimP :: Ranked n (Primitive a) -> (IShR n, XArray (Replicate n Nothing) a)
diff --git a/src/Data/Array/Nested/Internal/Shaped.hs b/src/Data/Array/Nested/Internal/Shaped.hs
index 1855015..e453e51 100644
--- a/src/Data/Array/Nested/Internal/Shaped.hs
+++ b/src/Data/Array/Nested/Internal/Shaped.hs
@@ -386,7 +386,12 @@ sminIndexPrim sarr@(Shaped arr) = ixCvtXS (sshape (stoPrimitive sarr)) (mminInde
 smaxIndexPrim :: (PrimElt a, NumElt a) => Shaped sh a -> IIxS sh
 smaxIndexPrim sarr@(Shaped arr) = ixCvtXS (sshape (stoPrimitive sarr)) (mmaxIndexPrim arr)
 
-sdot :: (PrimElt a, NumElt a) => Shaped '[n] a -> Shaped '[n] a -> a
+sdot1 :: (PrimElt a, NumElt a) => Shaped '[n] a -> Shaped '[n] a -> a
+sdot1 = coerce mdot1
+
+-- | This has a temporary, suboptimal implementation in terms of 'mflatten'.
+-- Prefer 'sdot1' if applicable.
+sdot :: (PrimElt a, NumElt a) => Shaped sh a -> Shaped sh a -> a
 sdot = coerce mdot
 
 stoXArrayPrimP :: Shaped sh (Primitive a) -> (ShS sh, XArray (MapJust sh) a)