From bfa68b73572538d56038b3350ce46d2b3af19dba Mon Sep 17 00:00:00 2001
From: Alberto Ruiz <aruiz@um.es>
Date: Fri, 5 Jun 2015 16:46:13 +0200
Subject: move foreign

---
 packages/base/src/Data/Packed/Foreign.hs | 99 --------------------------------
 1 file changed, 99 deletions(-)
 delete mode 100644 packages/base/src/Data/Packed/Foreign.hs

(limited to 'packages/base/src/Data/Packed/Foreign.hs')

diff --git a/packages/base/src/Data/Packed/Foreign.hs b/packages/base/src/Data/Packed/Foreign.hs
deleted file mode 100644
index 85b8bc7..0000000
--- a/packages/base/src/Data/Packed/Foreign.hs
+++ /dev/null
@@ -1,99 +0,0 @@
-{-# LANGUAGE MagicHash, UnboxedTuples #-}
--- | FFI and hmatrix helpers.
---
--- Sample usage, to upload a perspective matrix to a shader.
---
--- @ glUniformMatrix4fv 0 1 (fromIntegral gl_TRUE) \`appMatrix\` perspective 0.01 100 (pi\/2) (4\/3) 
--- @
---
-{-# OPTIONS_HADDOCK hide #-}
-module Data.Packed.Foreign 
-    ( app
-    , appVector, appVectorLen
-    , appMatrix, appMatrixLen, appMatrixRaw, appMatrixRawLen
-    , unsafeMatrixToVector, unsafeMatrixToForeignPtr
-    ) where
-import Data.Packed.Internal
-import qualified Data.Vector.Storable as S
-import Foreign (Ptr, ForeignPtr, Storable)
-import GHC.Base (IO(..), realWorld#)
-
-{-# INLINE unsafeInlinePerformIO #-}
--- | If we use unsafePerformIO, it may not get inlined, so in a function that returns IO (which are all safe uses of app* in this module), there would be
--- unecessary calls to unsafePerformIO or its internals.
-unsafeInlinePerformIO :: IO a -> a
-unsafeInlinePerformIO (IO f) = case f realWorld# of
-    (# _, x #) -> x
-
-{-# INLINE app #-}
--- | Only useful since it is left associated with a precedence of 1, unlike 'Prelude.$', which is right associative.
--- e.g.
---
--- @
--- someFunction
---     \`appMatrixLen\` m
---     \`appVectorLen\` v
---     \`app\` other
---     \`app\` arguments
---     \`app\` go here
--- @
---
--- One could also write:
---
--- @
--- (someFunction 
---     \`appMatrixLen\` m
---     \`appVectorLen\` v) 
---     other 
---     arguments 
---     (go here)
--- @
---
-app :: (a -> b) -> a -> b
-app f = f
-
-{-# INLINE appVector #-}
-appVector :: Storable a => (Ptr a -> b) -> Vector a -> b
-appVector f x = unsafeInlinePerformIO (S.unsafeWith x (return . f))
-
-{-# INLINE appVectorLen #-}
-appVectorLen :: Storable a => (CInt -> Ptr a -> b) -> Vector a -> b
-appVectorLen f x = unsafeInlinePerformIO (S.unsafeWith x (return . f (fromIntegral (S.length x))))
-
-{-# INLINE appMatrix #-}
-appMatrix :: Element a => (Ptr a -> b) -> Matrix a -> b
-appMatrix f x = unsafeInlinePerformIO (S.unsafeWith (flatten x) (return . f))
-
-{-# INLINE appMatrixLen #-}
-appMatrixLen :: Element a => (CInt -> CInt -> Ptr a -> b) -> Matrix a -> b
-appMatrixLen f x = unsafeInlinePerformIO (S.unsafeWith (flatten x) (return . f r c))
-  where
-    r = fromIntegral (rows x)
-    c = fromIntegral (cols x)
-
-{-# INLINE appMatrixRaw #-}
-appMatrixRaw :: Storable a => (Ptr a -> b) -> Matrix a -> b
-appMatrixRaw f x = unsafeInlinePerformIO (S.unsafeWith (xdat x) (return . f))
-
-{-# INLINE appMatrixRawLen #-}
-appMatrixRawLen :: Element a => (CInt -> CInt -> Ptr a -> b) -> Matrix a -> b
-appMatrixRawLen f x = unsafeInlinePerformIO (S.unsafeWith (xdat x) (return . f r c))
-  where
-    r = fromIntegral (rows x)
-    c = fromIntegral (cols x)
-
-infixl 1 `app`
-infixl 1 `appVector`
-infixl 1 `appMatrix`
-infixl 1 `appMatrixRaw`
-
-{-# INLINE unsafeMatrixToVector #-}
--- | This will disregard the order of the matrix, and simply return it as-is. 
--- If the order of the matrix is RowMajor, this function is identical to 'flatten'.
-unsafeMatrixToVector :: Matrix a -> Vector a
-unsafeMatrixToVector = xdat
-
-{-# INLINE unsafeMatrixToForeignPtr #-}
-unsafeMatrixToForeignPtr :: Storable a => Matrix a -> (ForeignPtr a, Int)
-unsafeMatrixToForeignPtr m = S.unsafeToForeignPtr0 (xdat m)
-
-- 
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