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-rw-r--r--src/Data/Array/Nested.hs5
-rw-r--r--src/Data/Array/Nested/Internal.hs14
2 files changed, 17 insertions, 2 deletions
diff --git a/src/Data/Array/Nested.hs b/src/Data/Array/Nested.hs
index 65f2b18..8d9601e 100644
--- a/src/Data/Array/Nested.hs
+++ b/src/Data/Array/Nested.hs
@@ -12,7 +12,7 @@ module Data.Array.Nested (
rreplicate, rfromListOuter, rfromList1, rtoListOuter, rtoList1,
rslice, rrev1, rreshape,
-- ** Lifting orthotope operations to 'Ranked' arrays
- rlift,
+ rlift, rlift2,
-- ** Conversions
rasXArrayPrim, rfromXArrayPrim,
rcastToShaped,
@@ -29,7 +29,7 @@ module Data.Array.Nested (
sreplicate, sfromListOuter, sfromList1, stoListOuter, stoList1,
sslice, srev1, sreshape,
-- ** Lifting orthotope operations to 'Shaped' arrays
- slift,
+ slift, slift2,
-- ** Conversions
sasXArrayPrim, sfromXArrayPrim,
stoRanked,
@@ -38,6 +38,7 @@ module Data.Array.Nested (
Mixed,
IxX(..), IIxX,
KnownShX(..), StaticShX(..),
+ -- TODO: missing msumOuter1?
mshape, mindex, mindexPartial, mgenerate,
mtranspose, mappend, mscalar, mfromVector, mtoVector, munScalar,
mrerank,
diff --git a/src/Data/Array/Nested/Internal.hs b/src/Data/Array/Nested/Internal.hs
index ab67dcc..e402f1e 100644
--- a/src/Data/Array/Nested/Internal.hs
+++ b/src/Data/Array/Nested/Internal.hs
@@ -1348,6 +1348,13 @@ rlift :: forall n1 n2 a. Elt a
-> Ranked n1 a -> Ranked n2 a
rlift sn2 f (Ranked arr) = Ranked (mlift (ssxFromSNat sn2) f arr)
+-- | See the documentation of 'mlift2'.
+rlift2 :: forall n1 n2 n3 a. Elt a
+ => SNat n3
+ -> (forall sh' b. Storable b => StaticShX sh' -> XArray (Replicate n1 Nothing ++ sh') b -> XArray (Replicate n2 Nothing ++ sh') b -> XArray (Replicate n3 Nothing ++ sh') b)
+ -> Ranked n1 a -> Ranked n2 a -> Ranked n3 a
+rlift2 sn3 f (Ranked arr1) (Ranked arr2) = Ranked (mlift2 (ssxFromSNat sn3) f arr1 arr2)
+
rsumOuter1P :: forall n a.
(Storable a, Num a)
=> Ranked (n + 1) (Primitive a) -> Ranked n (Primitive a)
@@ -1593,6 +1600,13 @@ slift :: forall sh1 sh2 a. Elt a
-> Shaped sh1 a -> Shaped sh2 a
slift sh2 f (Shaped arr) = Shaped (mlift (X.staticShapeFrom (shCvtSX sh2)) f arr)
+-- | See the documentation of 'mlift'.
+slift2 :: forall sh1 sh2 sh3 a. Elt a
+ => ShS sh3
+ -> (forall sh' b. Storable b => StaticShX sh' -> XArray (MapJust sh1 ++ sh') b -> XArray (MapJust sh2 ++ sh') b -> XArray (MapJust sh3 ++ sh') b)
+ -> Shaped sh1 a -> Shaped sh2 a -> Shaped sh3 a
+slift2 sh3 f (Shaped arr1) (Shaped arr2) = Shaped (mlift2 (X.staticShapeFrom (shCvtSX sh3)) f arr1 arr2)
+
ssumOuter1P :: forall sh n a. (Storable a, Num a)
=> Shaped (n : sh) (Primitive a) -> Shaped sh (Primitive a)
ssumOuter1P (Shaped (M_Primitive (SKnown sn :$% sh) arr)) =