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-- conversion to/from Data.Vector.Storable
-- from Roman Leshchinskiy "vector" package
--
-- In the future Data.Packed.Vector will be replaced by Data.Vector.Storable
-------------------------------------------
import Numeric.LinearAlgebra as H
import Data.Packed.Development(unsafeFromForeignPtr, unsafeToForeignPtr)
import Foreign.Storable
import qualified Data.Vector.Storable as V
fromVector :: Storable t => V.Vector t -> H.Vector t
fromVector v = unsafeFromForeignPtr p i n where
(p,i,n) = V.unsafeToForeignPtr v
toVector :: Storable t => H.Vector t -> V.Vector t
toVector v = V.unsafeFromForeignPtr p i n where
(p,i,n) = unsafeToForeignPtr v
-------------------------------------------
v = V.slice 5 10 (V.fromList [1 .. 10::Double] V.++ V.replicate 10 7)
w = subVector 2 3 (linspace 5 (0,1)) :: Vector Double
main = do
print v
print $ fromVector v
print w
print $ toVector w
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