Documentation updates.

Author: dmjio

README.md

@@ -5,6 +5,7 @@
 
 ## Table of Contents
  - [Installation](#Installation)
+   - [Haskell Installation](#haskell-installation)
  - [Documentation](#Documentation)
  - [Hacking](#Hacking)
  - [Example](#Example)
@@ -14,6 +15,21 @@
 Install `ArraryFire` via the download page.
   - https://arrayfire.com/download/
 
+`ArrayFire` can also be fetched from [nixpkgs](https://github.com/nixos/nixpkgs) `master`.
+
+### Haskell Installation
+
+`arrayfire` can be installed w/ `cabal`, `stack` or `nix`.
+
+```
+cabal install arrayfire
+```
+
+```
+stack install arrayfire
+```
+
+
 Also note, if you plan on using ArrayFire's visualization features, you must install `fontconfig` and `glfw` on OSX or Linux.
 
 ## Documentation
@@ -48,12 +64,6 @@ To interactively evaluate code in the `repl`
 nix-shell --run repl
 ```
 
-To run the doctests on each file change
-
-```bash
-nix-shell --run doctest-runner
-```
-
 To produce the haddocks and open them in a browser
 
 ```bash

exe/Main.hs

@@ -6,6 +6,8 @@ module Main where
 
 import ArrayFire
 import Control.Concurrent
+import Control.Exception
+
 import Prelude            hiding (sum, product)
 -- import GHC.RTS
 
@@ -15,8 +17,14 @@ foreign import ccall safe "test_bool"
 foreign import ccall safe "test_window"
   testWindow :: IO ()
 
+main' :: IO ()
+main' = print newArray `catch` (\(e :: AFException) -> print e)
+  where
+    newArray = matrix @Double (2,2) [ [1..], [1..] ] * matrix @Double (2,2) [ [2..], [2..] ]
+
 main :: IO ()
 main = do
+  main'
   -- testWindow
   -- ks <- randn @Double [100,100]
   -- saveArray "key" ks "array.txt" False

src/ArrayFire/Arith.hs

@@ -66,7 +66,7 @@ addBatched
   -> Bool
   -- ^ Use batch
   -> Array a
-v  -- ^ Result of add
+  -- ^ Result of add
 addBatched x y (fromIntegral . fromEnum -> batch) =
   x `op2` y $ \arr arr1 arr2 ->
     af_add arr arr1 arr2 batch