X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=src%2FValues.hs;h=e21bacf1e906c553e3bda167e9fea3947d4ba8ff;hb=9d123d52885618214e14e9fdefb2f3f43c329ddd;hp=2efd80b6f8b167e58dde3efe1250cf48f9df79db;hpb=c954154b379c5bd444d527298c33142fb150711b;p=spline3.git diff --git a/src/Values.hs b/src/Values.hs index 2efd80b..e21bacf 100644 --- a/src/Values.hs +++ b/src/Values.hs @@ -1,73 +1,35 @@ {-# LANGUAGE FlexibleInstances #-} -module Values +module Values ( + Values, + Values2D, + Values3D, + dims, + empty3d, + idx, + zoom_shape ) where import Data.Array.Repa ( - Array, - Z(..), - (:.)(..), - DIM1, + Array, U, + Z( Z ), + (:.)( (:.) ), DIM2, DIM3, extent, - fromList, - index, - reshape, - size - ) + fromListUnboxed, + unsafeIndex ) -import Data.Array.Repa.IO.Vector (readVectorFromTextFile, - writeVectorToTextFile) -import System.FilePath () -import Test.QuickCheck (Arbitrary(..), Gen) +import ScaleFactor ( ScaleFactor ) -import ScaleFactor +type Values sh = Array U sh Double +type Values2D = Values DIM2 +type Values3D = Values DIM3 -type Values1D = Array DIM1 Double -type Values2D = Array DIM2 Double -type Values3D = Array DIM3 Double - - -instance Arbitrary Values3D where - arbitrary = do - x_dim <- arbitrary :: Gen Int - y_dim <- arbitrary :: Gen Int - z_dim <- arbitrary :: Gen Int - one_d <- arbitrary :: Gen Values1D - let new_shape = (Z :. x_dim :. y_dim :. z_dim) - let three_d = reshape new_shape one_d - return three_d - - -instance Arbitrary Values1D where - arbitrary = do - x <- arbitrary :: Gen [Double] - let shape = (Z :. (length x)) - let one_d = Data.Array.Repa.fromList shape x - return one_d - - -read_values_1d :: FilePath -> IO Values1D -read_values_1d = readVectorFromTextFile - - -read_values_3d :: DIM3 -> FilePath -> IO Values3D -read_values_3d sh path = do - one_d <- read_values_1d path - return $ reshape sh one_d - -write_values_1d :: Values3D -> FilePath -> IO () -write_values_1d v3d path = do - let size3d = size $ extent v3d - let shape1d = (Z :. size3d) - let v1d = reshape shape1d v3d - writeVectorToTextFile v1d path - empty3d :: Values3D -empty3d = Data.Array.Repa.fromList (Z :. 0 :. 0 :. 0) [] +empty3d = Data.Array.Repa.fromListUnboxed (Z :. 0 :. 0 :. 0) [] dims :: Values3D -> (Int, Int, Int) @@ -79,7 +41,7 @@ dims v3d = idx :: Values3D -> Int -> Int -> Int -> Double idx v3d i j k = - index v3d shape + unsafeIndex v3d shape where shape :: DIM3 shape = (Z :. i :. j :. k)