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author | Vincent Ambo <tazjin@google.com> | 2019-08-15T15·11+0100 |
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committer | Vincent Ambo <tazjin@google.com> | 2019-08-15T15·11+0100 |
commit | 128875b501bc2989617ae553317b80faa556d752 (patch) | |
tree | 9b32d12123801179ebe900980556486ad4803482 /third_party/bazel/rules_haskell/examples/vector/Data/Vector/Primitive/Mutable.hs | |
parent | a20daf87265a62b494d67f86d4a5199f14394973 (diff) |
chore: Remove remaining Bazel-related files r/31
Diffstat (limited to 'third_party/bazel/rules_haskell/examples/vector/Data/Vector/Primitive/Mutable.hs')
-rw-r--r-- | third_party/bazel/rules_haskell/examples/vector/Data/Vector/Primitive/Mutable.hs | 366 |
1 files changed, 0 insertions, 366 deletions
diff --git a/third_party/bazel/rules_haskell/examples/vector/Data/Vector/Primitive/Mutable.hs b/third_party/bazel/rules_haskell/examples/vector/Data/Vector/Primitive/Mutable.hs deleted file mode 100644 index 33aca812e208..000000000000 --- a/third_party/bazel/rules_haskell/examples/vector/Data/Vector/Primitive/Mutable.hs +++ /dev/null @@ -1,366 +0,0 @@ -{-# LANGUAGE CPP, DeriveDataTypeable, MultiParamTypeClasses, FlexibleInstances, ScopedTypeVariables #-} - --- | --- Module : Data.Vector.Primitive.Mutable --- Copyright : (c) Roman Leshchinskiy 2008-2010 --- License : BSD-style --- --- Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au> --- Stability : experimental --- Portability : non-portable --- --- Mutable primitive vectors. --- - -module Data.Vector.Primitive.Mutable ( - -- * Mutable vectors of primitive types - MVector(..), IOVector, STVector, Prim, - - -- * Accessors - - -- ** Length information - length, null, - - -- ** Extracting subvectors - slice, init, tail, take, drop, splitAt, - unsafeSlice, unsafeInit, unsafeTail, unsafeTake, unsafeDrop, - - -- ** Overlapping - overlaps, - - -- * Construction - - -- ** Initialisation - new, unsafeNew, replicate, replicateM, clone, - - -- ** Growing - grow, unsafeGrow, - - -- ** Restricting memory usage - clear, - - -- * Accessing individual elements - read, write, modify, swap, - unsafeRead, unsafeWrite, unsafeModify, unsafeSwap, - - -- * Modifying vectors - nextPermutation, - - -- ** Filling and copying - set, copy, move, unsafeCopy, unsafeMove -) where - -import qualified Data.Vector.Generic.Mutable as G -import Data.Primitive.ByteArray -import Data.Primitive ( Prim, sizeOf ) -import Data.Word ( Word8 ) -import Control.Monad.Primitive -import Control.Monad ( liftM ) - -import Control.DeepSeq ( NFData(rnf) ) - -import Prelude hiding ( length, null, replicate, reverse, map, read, - take, drop, splitAt, init, tail ) - -import Data.Typeable ( Typeable ) - --- Data.Vector.Internal.Check is unnecessary -#define NOT_VECTOR_MODULE -#include "vector.h" - --- | Mutable vectors of primitive types. -data MVector s a = MVector {-# UNPACK #-} !Int - {-# UNPACK #-} !Int - {-# UNPACK #-} !(MutableByteArray s) -- ^ offset, length, underlying mutable byte array - deriving ( Typeable ) - -type IOVector = MVector RealWorld -type STVector s = MVector s - -instance NFData (MVector s a) where - rnf (MVector _ _ _) = () - -instance Prim a => G.MVector MVector a where - basicLength (MVector _ n _) = n - basicUnsafeSlice j m (MVector i _ arr) - = MVector (i+j) m arr - - {-# INLINE basicOverlaps #-} - basicOverlaps (MVector i m arr1) (MVector j n arr2) - = sameMutableByteArray arr1 arr2 - && (between i j (j+n) || between j i (i+m)) - where - between x y z = x >= y && x < z - - {-# INLINE basicUnsafeNew #-} - basicUnsafeNew n - | n < 0 = error $ "Primitive.basicUnsafeNew: negative length: " ++ show n - | n > mx = error $ "Primitive.basicUnsafeNew: length to large: " ++ show n - | otherwise = MVector 0 n `liftM` newByteArray (n * size) - where - size = sizeOf (undefined :: a) - mx = maxBound `div` size :: Int - - {-# INLINE basicInitialize #-} - basicInitialize (MVector off n v) = - setByteArray v (off * size) (n * size) (0 :: Word8) - where - size = sizeOf (undefined :: a) - - - {-# INLINE basicUnsafeRead #-} - basicUnsafeRead (MVector i _ arr) j = readByteArray arr (i+j) - - {-# INLINE basicUnsafeWrite #-} - basicUnsafeWrite (MVector i _ arr) j x = writeByteArray arr (i+j) x - - {-# INLINE basicUnsafeCopy #-} - basicUnsafeCopy (MVector i n dst) (MVector j _ src) - = copyMutableByteArray dst (i*sz) src (j*sz) (n*sz) - where - sz = sizeOf (undefined :: a) - - {-# INLINE basicUnsafeMove #-} - basicUnsafeMove (MVector i n dst) (MVector j _ src) - = moveByteArray dst (i*sz) src (j*sz) (n * sz) - where - sz = sizeOf (undefined :: a) - - {-# INLINE basicSet #-} - basicSet (MVector i n arr) x = setByteArray arr i n x - --- Length information --- ------------------ - --- | Length of the mutable vector. -length :: Prim a => MVector s a -> Int -{-# INLINE length #-} -length = G.length - --- | Check whether the vector is empty -null :: Prim a => MVector s a -> Bool -{-# INLINE null #-} -null = G.null - --- Extracting subvectors --- --------------------- - --- | Yield a part of the mutable vector without copying it. -slice :: Prim a => Int -> Int -> MVector s a -> MVector s a -{-# INLINE slice #-} -slice = G.slice - -take :: Prim a => Int -> MVector s a -> MVector s a -{-# INLINE take #-} -take = G.take - -drop :: Prim a => Int -> MVector s a -> MVector s a -{-# INLINE drop #-} -drop = G.drop - -splitAt :: Prim a => Int -> MVector s a -> (MVector s a, MVector s a) -{-# INLINE splitAt #-} -splitAt = G.splitAt - -init :: Prim a => MVector s a -> MVector s a -{-# INLINE init #-} -init = G.init - -tail :: Prim a => MVector s a -> MVector s a -{-# INLINE tail #-} -tail = G.tail - --- | Yield a part of the mutable vector without copying it. No bounds checks --- are performed. -unsafeSlice :: Prim a - => Int -- ^ starting index - -> Int -- ^ length of the slice - -> MVector s a - -> MVector s a -{-# INLINE unsafeSlice #-} -unsafeSlice = G.unsafeSlice - -unsafeTake :: Prim a => Int -> MVector s a -> MVector s a -{-# INLINE unsafeTake #-} -unsafeTake = G.unsafeTake - -unsafeDrop :: Prim a => Int -> MVector s a -> MVector s a -{-# INLINE unsafeDrop #-} -unsafeDrop = G.unsafeDrop - -unsafeInit :: Prim a => MVector s a -> MVector s a -{-# INLINE unsafeInit #-} -unsafeInit = G.unsafeInit - -unsafeTail :: Prim a => MVector s a -> MVector s a -{-# INLINE unsafeTail #-} -unsafeTail = G.unsafeTail - --- Overlapping --- ----------- - --- | Check whether two vectors overlap. -overlaps :: Prim a => MVector s a -> MVector s a -> Bool -{-# INLINE overlaps #-} -overlaps = G.overlaps - --- Initialisation --- -------------- - --- | Create a mutable vector of the given length. -new :: (PrimMonad m, Prim a) => Int -> m (MVector (PrimState m) a) -{-# INLINE new #-} -new = G.new - --- | Create a mutable vector of the given length. The memory is not initialized. -unsafeNew :: (PrimMonad m, Prim a) => Int -> m (MVector (PrimState m) a) -{-# INLINE unsafeNew #-} -unsafeNew = G.unsafeNew - --- | Create a mutable vector of the given length (0 if the length is negative) --- and fill it with an initial value. -replicate :: (PrimMonad m, Prim a) => Int -> a -> m (MVector (PrimState m) a) -{-# INLINE replicate #-} -replicate = G.replicate - --- | Create a mutable vector of the given length (0 if the length is negative) --- and fill it with values produced by repeatedly executing the monadic action. -replicateM :: (PrimMonad m, Prim a) => Int -> m a -> m (MVector (PrimState m) a) -{-# INLINE replicateM #-} -replicateM = G.replicateM - --- | Create a copy of a mutable vector. -clone :: (PrimMonad m, Prim a) - => MVector (PrimState m) a -> m (MVector (PrimState m) a) -{-# INLINE clone #-} -clone = G.clone - --- Growing --- ------- - --- | Grow a vector by the given number of elements. The number must be --- positive. -grow :: (PrimMonad m, Prim a) - => MVector (PrimState m) a -> Int -> m (MVector (PrimState m) a) -{-# INLINE grow #-} -grow = G.grow - --- | Grow a vector by the given number of elements. The number must be --- positive but this is not checked. -unsafeGrow :: (PrimMonad m, Prim a) - => MVector (PrimState m) a -> Int -> m (MVector (PrimState m) a) -{-# INLINE unsafeGrow #-} -unsafeGrow = G.unsafeGrow - --- Restricting memory usage --- ------------------------ - --- | Reset all elements of the vector to some undefined value, clearing all --- references to external objects. This is usually a noop for unboxed vectors. -clear :: (PrimMonad m, Prim a) => MVector (PrimState m) a -> m () -{-# INLINE clear #-} -clear = G.clear - --- Accessing individual elements --- ----------------------------- - --- | Yield the element at the given position. -read :: (PrimMonad m, Prim a) => MVector (PrimState m) a -> Int -> m a -{-# INLINE read #-} -read = G.read - --- | Replace the element at the given position. -write :: (PrimMonad m, Prim a) => MVector (PrimState m) a -> Int -> a -> m () -{-# INLINE write #-} -write = G.write - --- | Modify the element at the given position. -modify :: (PrimMonad m, Prim a) => MVector (PrimState m) a -> (a -> a) -> Int -> m () -{-# INLINE modify #-} -modify = G.modify - --- | Swap the elements at the given positions. -swap :: (PrimMonad m, Prim a) => MVector (PrimState m) a -> Int -> Int -> m () -{-# INLINE swap #-} -swap = G.swap - - --- | Yield the element at the given position. No bounds checks are performed. -unsafeRead :: (PrimMonad m, Prim a) => MVector (PrimState m) a -> Int -> m a -{-# INLINE unsafeRead #-} -unsafeRead = G.unsafeRead - --- | Replace the element at the given position. No bounds checks are performed. -unsafeWrite - :: (PrimMonad m, Prim a) => MVector (PrimState m) a -> Int -> a -> m () -{-# INLINE unsafeWrite #-} -unsafeWrite = G.unsafeWrite - --- | Modify the element at the given position. No bounds checks are performed. -unsafeModify :: (PrimMonad m, Prim a) => MVector (PrimState m) a -> (a -> a) -> Int -> m () -{-# INLINE unsafeModify #-} -unsafeModify = G.unsafeModify - --- | Swap the elements at the given positions. No bounds checks are performed. -unsafeSwap - :: (PrimMonad m, Prim a) => MVector (PrimState m) a -> Int -> Int -> m () -{-# INLINE unsafeSwap #-} -unsafeSwap = G.unsafeSwap - --- Filling and copying --- ------------------- - --- | Set all elements of the vector to the given value. -set :: (PrimMonad m, Prim a) => MVector (PrimState m) a -> a -> m () -{-# INLINE set #-} -set = G.set - --- | Copy a vector. The two vectors must have the same length and may not --- overlap. -copy :: (PrimMonad m, Prim a) - => MVector (PrimState m) a -- ^ target - -> MVector (PrimState m) a -- ^ source - -> m () -{-# INLINE copy #-} -copy = G.copy - --- | Copy a vector. The two vectors must have the same length and may not --- overlap. This is not checked. -unsafeCopy :: (PrimMonad m, Prim a) - => MVector (PrimState m) a -- ^ target - -> MVector (PrimState m) a -- ^ source - -> m () -{-# INLINE unsafeCopy #-} -unsafeCopy = G.unsafeCopy - --- | Move the contents of a vector. The two vectors must have the same --- length. --- --- If the vectors do not overlap, then this is equivalent to 'copy'. --- Otherwise, the copying is performed as if the source vector were --- copied to a temporary vector and then the temporary vector was copied --- to the target vector. -move :: (PrimMonad m, Prim a) - => MVector (PrimState m) a -> MVector (PrimState m) a -> m () -{-# INLINE move #-} -move = G.move - --- | Move the contents of a vector. The two vectors must have the same --- length, but this is not checked. --- --- If the vectors do not overlap, then this is equivalent to 'unsafeCopy'. --- Otherwise, the copying is performed as if the source vector were --- copied to a temporary vector and then the temporary vector was copied --- to the target vector. -unsafeMove :: (PrimMonad m, Prim a) - => MVector (PrimState m) a -- ^ target - -> MVector (PrimState m) a -- ^ source - -> m () -{-# INLINE unsafeMove #-} -unsafeMove = G.unsafeMove - --- | Compute the next (lexicographically) permutation of given vector in-place. --- Returns False when input is the last permtuation -nextPermutation :: (PrimMonad m,Ord e,Prim e) => MVector (PrimState m) e -> m Bool -{-# INLINE nextPermutation #-} -nextPermutation = G.nextPermutation |