9 files changed, 65 insertions, 46 deletions

diff --git a/packages/base/src/Data/Packed/Foreign.hs b/packages/base/src/Data/Packed/Foreign.hs
index 1ec3694..85b8bc7 100644
--- a/packages/base/src/Data/Packed/Foreign.hs
+++ b/packages/base/src/Data/Packed/Foreign.hs
@@ -16,7 +16,6 @@ module Data.Packed.Foreign
 import Data.Packed.Internal
 import qualified Data.Vector.Storable as S
 import Foreign (Ptr, ForeignPtr, Storable)
-import Foreign.C.Types (CInt)
 import GHC.Base (IO(..), realWorld#)
 
 {-# INLINE unsafeInlinePerformIO #-}
diff --git a/packages/base/src/Data/Packed/Internal/Vector.hs b/packages/base/src/Data/Packed/Internal/Vector.hs
index ac35596..ac019a8 100644
--- a/packages/base/src/Data/Packed/Internal/Vector.hs
+++ b/packages/base/src/Data/Packed/Internal/Vector.hs
@@ -25,7 +25,7 @@ module Data.Packed.Internal.Vector (
     unsafeToForeignPtr,
     unsafeFromForeignPtr,
     unsafeWith,
-    CInt,Idxs
+    CInt, I
 ) where
 
 import Data.Packed.Internal.Common
@@ -56,8 +56,7 @@ import Data.Vector.Storable(Vector,
                             unsafeFromForeignPtr,
                             unsafeWith)
 
-
-type Idxs = Vector CInt
+type I = CInt
 
 -- | Number of elements
 dim :: (Storable t) => Vector t -> Int
diff --git a/packages/base/src/Numeric/LinearAlgebra/Data.hs b/packages/base/src/Numeric/LinearAlgebra/Data.hs
index 8a0b9a2..2aac2e4 100644
--- a/packages/base/src/Numeric/LinearAlgebra/Data.hs
+++ b/packages/base/src/Numeric/LinearAlgebra/Data.hs
@@ -1,7 +1,7 @@
 --------------------------------------------------------------------------------
 {- |
 Module      :  Numeric.LinearAlgebra.Data
-Copyright   :  (c) Alberto Ruiz 2014
+Copyright   :  (c) Alberto Ruiz 2015
 License     :  BSD3
 Maintainer  :  Alberto Ruiz
 Stability   :  provisional
@@ -15,62 +15,76 @@ module Numeric.LinearAlgebra.Data(
 
     -- * Vector
     -- | 1D arrays are storable vectors from the vector package.
-    
+
     vector, (|>),
 
     -- * Matrix
-    
-    matrix, (><), tr,
-    
+
+    matrix, (><), tr, tr',
+
+    -- * Dimensions
+
+    size, rows, cols,
+
+    -- * conversion from\/to lists
+    fromList, toList,
+    fromLists, toLists,
+    row, col,
+
+    -- * conversions vector\/matrix
+
+    flatten, reshape, asRow, asColumn,
+    fromRows, toRows, fromColumns, toColumns,
+
     -- * Indexing
-    
-    size,
+
+    atIndex,
     Indexable(..),
-    
+
     -- * Construction
     scalar, Konst(..), Build(..), assoc, accum, linspace, range, idxs, -- ones, zeros,
 
     -- * Diagonal
     ident, diag, diagl, diagRect, takeDiag,
 
-    -- * Data manipulation
-    fromList, toList, subVector, takesV, vjoin,
-    flatten, reshape, asRow, asColumn, row, col,
-    fromRows, toRows, fromColumns, toColumns, fromLists, toLists, fromArray2D,
+    -- * Vector extraction
+    subVector, takesV, vjoin,
+
+    -- * Matrix extraction
     Extractor(..), (??),
     takeRows, dropRows, takeColumns, dropColumns, subMatrix, (?), (¿), fliprl, flipud,
-  
+
+
     -- * Block matrix
     fromBlocks, (|||), (===), diagBlock, repmat, toBlocks, toBlocksEvery,
 
     -- * Mapping functions
     conj, cmap, cmod, step, cond,
-    
+
     -- * Find elements
-    find, maxIndex, minIndex, maxElement, minElement, atIndex,
-    sortVector,
+    find, maxIndex, minIndex, maxElement, minElement,
+    sortVector, sortIndex,
 
     -- * Sparse
     AssocMatrix, toDense,
     mkSparse, mkDiagR, mkDense,
-    
+
     -- * IO
     disp,
     loadMatrix, loadMatrix', saveMatrix,
     latexFormat,
     dispf, disps, dispcf, format,
     dispDots, dispBlanks, dispShort,
--- * Conversion
+-- * Element conversion
     Convert(..),
     roundVector,
     fromInt,
     -- * Misc
     arctan2,
-    rows, cols,
     separable,
-    (¦),(——),
+    fromArray2D,
     module Data.Complex,
-    CInt, Idxs,
+    I,
     Vector, Matrix, GMatrix, nRows, nCols
 
 ) where
@@ -81,7 +95,6 @@ import Data.Packed.Numeric
 import Numeric.LinearAlgebra.Util hiding ((&),(#))
 import Data.Complex
 import Numeric.Sparse
-import Data.Packed.Internal.Vector(Idxs)
-import Data.Packed.Internal.Numeric(CInt,Extractor(..),(??),fromInt,range,idxs)
+import Data.Packed.Internal.Numeric(I,Extractor(..),(??),fromInt,range,idxs)
 
 
diff --git a/packages/base/src/Numeric/LinearAlgebra/HMatrix.hs b/packages/base/src/Numeric/LinearAlgebra/HMatrix.hs
index 8e67eb4..54f066b 100644
--- a/packages/base/src/Numeric/LinearAlgebra/HMatrix.hs
+++ b/packages/base/src/Numeric/LinearAlgebra/HMatrix.hs
@@ -10,8 +10,11 @@ Stability   :  provisional
 --------------------------------------------------------------------------------
 
 module Numeric.LinearAlgebra.HMatrix (
-    module Numeric.LinearAlgebra
+    module Numeric.LinearAlgebra,
+     (¦),(——)
 ) where
 
 import Numeric.LinearAlgebra
+import Numeric.LinearAlgebra.Util
 
+   
diff --git a/packages/base/src/Numeric/LinearAlgebra/Static.hs b/packages/base/src/Numeric/LinearAlgebra/Static.hs
index f7017e7..49327f2 100644
--- a/packages/base/src/Numeric/LinearAlgebra/Static.hs
+++ b/packages/base/src/Numeric/LinearAlgebra/Static.hs
@@ -34,7 +34,7 @@ module Numeric.LinearAlgebra.Static(
     linspace, range, dim,
     -- * Matrix
     L, Sq, build,
-    row, col, (¦),(——), splitRows, splitCols,
+    row, col, (|||),(===), splitRows, splitCols,
     unrow, uncol,
     tr,
     eye,
@@ -61,7 +61,7 @@ module Numeric.LinearAlgebra.Static(
 
 import GHC.TypeLits
 import Numeric.LinearAlgebra hiding (
-    (<>),(#>),(<·>),Konst(..),diag, disp,(¦),(——),
+    (<>),(#>),(<·>),Konst(..),diag, disp,(===),(|||),
     row,col,vector,matrix,linspace,toRows,toColumns,
     (<\>),fromList,takeDiag,svd,eig,eigSH,eigSH',
     eigenvalues,eigenvaluesSH,eigenvaluesSH',build,
@@ -168,14 +168,14 @@ unrow = mkR . head . LA.toRows . ud2
 uncol v = unrow . tr $ v
 
 
-infixl 2 ——
-(——) :: (KnownNat r1, KnownNat r2, KnownNat c) => L r1 c -> L r2 c -> L (r1+r2) c
-a —— b = mkL (extract a LA.—— extract b)
+infixl 2 ===
+(===) :: (KnownNat r1, KnownNat r2, KnownNat c) => L r1 c -> L r2 c -> L (r1+r2) c
+a === b = mkL (extract a LA.=== extract b)
 
 
-infixl 3 ¦
--- (¦) :: (KnownNat r, KnownNat c1, KnownNat c2) => L r c1 -> L r c2 -> L r (c1+c2)
-a ¦ b = tr (tr a —— tr b)
+infixl 3 |||
+-- (|||) :: (KnownNat r, KnownNat c1, KnownNat c2) => L r c1 -> L r c2 -> L r (c1+c2)
+a ||| b = tr (tr a === tr b)
 
 
 type Sq n  = L n n
diff --git a/packages/base/src/Numeric/LinearAlgebra/Static/Internal.hs b/packages/base/src/Numeric/LinearAlgebra/Static/Internal.hs
index 7ecb132..7b770e0 100644
--- a/packages/base/src/Numeric/LinearAlgebra/Static/Internal.hs
+++ b/packages/base/src/Numeric/LinearAlgebra/Static/Internal.hs
@@ -244,11 +244,14 @@ instance (KnownNat n, KnownNat m) => Transposable (L m n) (L n m)
   where
     tr a@(isDiag -> Just _) = mkL (extract a)
     tr (extract -> a) = mkL (tr a)
+    tr' = tr
 
 instance (KnownNat n, KnownNat m) => Transposable (M m n) (M n m)
   where
     tr a@(isDiagC -> Just _) = mkM (extract a)
     tr (extract -> a) = mkM (tr a)
+    tr' a@(isDiagC -> Just _) = mkM (extract a)
+    tr' (extract -> a) = mkM (tr' a)
 
 --------------------------------------------------------------------------------
 
diff --git a/packages/base/src/Numeric/LinearAlgebra/Util.hs b/packages/base/src/Numeric/LinearAlgebra/Util.hs
index 2e632b7..eadd2a2 100644
--- a/packages/base/src/Numeric/LinearAlgebra/Util.hs
+++ b/packages/base/src/Numeric/LinearAlgebra/Util.hs
@@ -66,7 +66,7 @@ import Control.Monad(when)
 import Text.Printf
 import Data.List.Split(splitOn)
 import Data.List(intercalate)
-import Foreign.C.Types(CInt)
+import Data.Packed.Internal.Numeric(I)
 
 type ℝ = Double
 type ℕ = Int
@@ -271,7 +271,7 @@ instance Normed (Matrix ℂ)
     norm_2 = pnorm PNorm2
     norm_Inf = pnorm Infinity
 
-instance Normed (Vector CInt)
+instance Normed (Vector I)
   where
     norm_0 = fromIntegral . sumElements . step . abs
     norm_1 = fromIntegral . norm1
@@ -299,7 +299,7 @@ mt = trans . inv
 --------------------------------------------------------------------------------
 {- |
 
->>> size $ fromList[1..10::Double]
+>>> size $ vector [1..10]
 10
 >>> size $ (2><5)[1..10::Double]
 (2,5)
@@ -308,15 +308,15 @@ mt = trans . inv
 size :: Container c t => c t -> IndexOf c
 size = size'
 
-{- |
+{- | Alternative indexing function.
 
->>> vect [1..10] ! 3
+>>> vector [1..10] ! 3
 4.0
 
->>> mat 5 [1..15] ! 1
+>>> matrix 5 [1..15] ! 1
 fromList [6.0,7.0,8.0,9.0,10.0]
 
->>> mat 5 [1..15] ! 1 ! 3
+>>> matrix 5 [1..15] ! 1 ! 3
 9.0
 
 -}
@@ -333,7 +333,7 @@ instance Indexable (Vector Float) Float
   where
     (!) = (@>)
 
-instance Indexable (Vector CInt) CInt
+instance Indexable (Vector I) I
   where
     (!) = (@>)
 
diff --git a/packages/base/src/Numeric/Sparse.hs b/packages/base/src/Numeric/Sparse.hs
index f1516ec..d856287 100644
--- a/packages/base/src/Numeric/Sparse.hs
+++ b/packages/base/src/Numeric/Sparse.hs
@@ -195,10 +195,12 @@ toDense asm = assoc (r+1,c+1) 0 asm
 instance Transposable CSR CSC
   where
     tr (CSR vs cs rs n m) = CSC vs cs rs m n
+    tr' = tr
 
 instance Transposable CSC CSR
   where
     tr (CSC vs rs cs n m) = CSR vs rs cs m n
+    tr' = tr
 
 instance Transposable GMatrix GMatrix
   where
@@ -206,5 +208,5 @@ instance Transposable GMatrix GMatrix
     tr (SparseC s n m) = SparseR (tr s) m n
     tr (Diag v n m) = Diag v m n
     tr (Dense a n m) = Dense (tr a) m n
-
+    tr' = tr
 
diff --git a/packages/base/src/Numeric/Vector.hs b/packages/base/src/Numeric/Vector.hs
index 6cac5dc..6245cf7 100644
--- a/packages/base/src/Numeric/Vector.hs
+++ b/packages/base/src/Numeric/Vector.hs
@@ -32,7 +32,7 @@ adaptScalar f1 f2 f3 x y
 
 ------------------------------------------------------------------
 
-instance Num (Vector CInt) where
+instance Num (Vector I) where
     (+) = adaptScalar addConstant add (flip addConstant)
     negate = scale (-1)
     (*) = adaptScalar scale mul (flip scale)