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authorTom Smeding <tom@tomsmeding.com>2024-06-10 23:31:59 +0200
committerTom Smeding <tom@tomsmeding.com>2024-06-10 23:32:08 +0200
commit42b8c69a978b54001aeae62c8c37ce80500d6428 (patch)
tree2318a443fe2cd659cc432dbc6d7c53e8206ac4e8 /src/Data/Array/Nested/Internal/Mixed.hs
parent5f6a64660b16d8f188caca5216e55debf4264611 (diff)
Add (temporary version of) more general mdot
Diffstat (limited to 'src/Data/Array/Nested/Internal/Mixed.hs')
-rw-r--r--src/Data/Array/Nested/Internal/Mixed.hs10
1 files changed, 8 insertions, 2 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)