diff options
Diffstat (limited to 'src/Data/Array/Nested/Internal/Ranked.hs')
| -rw-r--r-- | src/Data/Array/Nested/Internal/Ranked.hs | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/Data/Array/Nested/Internal/Ranked.hs b/src/Data/Array/Nested/Internal/Ranked.hs index 74b2186..735d1a3 100644 --- a/src/Data/Array/Nested/Internal/Ranked.hs +++ b/src/Data/Array/Nested/Internal/Ranked.hs @@ -483,11 +483,14 @@ rmaxIndexPrim rarr@(Ranked arr) | Refl <- lemRankReplicate (rrank (rtoPrimitive rarr)) = ixCvtXR (mmaxIndexPrim arr) -rdot1 :: (PrimElt a, NumElt a) => Ranked 1 a -> Ranked 1 a -> a -rdot1 = coerce mdot1 +rdot1Inner :: forall n a. (PrimElt a, NumElt a) => Ranked (n + 1) a -> Ranked (n + 1) a -> Ranked n a +rdot1Inner arr1 arr2 + | SNat <- rrank arr1 + , Refl <- lemReplicatePlusApp (SNat @n) (Proxy @1) (Proxy @(Nothing @Nat)) + = coerce (mdot1Inner (Proxy @(Nothing @Nat))) arr1 arr2 -- | This has a temporary, suboptimal implementation in terms of 'mflatten'. --- Prefer 'rdot1' if applicable. +-- Prefer 'rdot1Inner' if applicable. rdot :: (PrimElt a, NumElt a) => Ranked n a -> Ranked n a -> a rdot = coerce mdot |