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blas: make dotAll polymorphic via AFResult #72

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Merged
dmjio merged 1 commit into from
Jun 15, 2026
+11 −11
Merged

blas: make dotAll polymorphic via AFResult #72

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18 changes: 9 additions & 9 deletions src/ArrayFire/BLAS.hs
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
--------------------------------------------------------------------------------
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE ViewPatterns #-}
--------------------------------------------------------------------------------
-- |
Expand Down Expand Up @@ -113,9 +114,9 @@ dot arr1 arr2 prop1 prop2 =
-- | Scalar dot product between two vectors. Also referred to as the inner product. Returns the result as a host scalar.
--
-- >>> dotAll (vector @Double 10 [1..]) (vector @Double 10 [1..]) None None
-- 385.0 :+ 0.0
-- 385.0
dotAll
:: AFType a
:: forall a . AFResult a
=> Array a
-- ^ Left-hand side array
-> Array a
Expand All @@ -124,13 +125,12 @@ dotAll
-- ^ Options for left-hand side. Currently only AF_MAT_NONE and AF_MAT_CONJ are supported.
-> MatProp
-- ^ Options for right-hand side. Currently only AF_MAT_NONE and AF_MAT_CONJ are supported.
-> Complex Double
-- ^ Real and imaginary component result
dotAll arr1 arr2 prop1 prop2 = do
let (real,imag) =
infoFromArray22 arr1 arr2 $ \a b c d ->
af_dot_all a b c d (toMatProp prop1) (toMatProp prop2)
real :+ imag
-> Scalar a
-- ^ Result as the array's element type
dotAll arr1 arr2 prop1 prop2 =
toAFResult @a $
infoFromArray22 arr1 arr2 $ \a b c d ->
af_dot_all a b c d (toMatProp prop1) (toMatProp prop2)

-- | Transposes a matrix.
--
Expand Down
4 changes: 2 additions & 2 deletions test/ArrayFire/BLASSpec.hs
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Expand Up @@ -40,9 +40,9 @@ spec =
it "Should dot product two vectors" $ do
dot (vector @Double 2 (repeat 2)) (vector @Double 2 (repeat 2)) None None
`shouldBe` scalar @Double 8
it "Should produce scalar dot product between two vectors as a Complex number" $ do
it "Should produce scalar dot product between two vectors" $ do
dotAll (vector @Double 2 (repeat 2)) (vector @Double 2 (repeat 2)) None None
`shouldBe` 8.0 :+ 0.0
`shouldBe` (8.0 :: Double)
it "Should take the transpose of a matrix" $ do
transpose (matrix @Double (2,2) [[1,1],[2,2]]) False
`shouldBe` matrix @Double (2,2) [[1,2],[1,2]]
Expand Down
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