From 1501536dcd35b96ebf7aa71bb9f4bd919da068ee Mon Sep 17 00:00:00 2001
From: Luke Clifton <ltclifton@gmail.com>
Date: Mon, 4 Aug 2014 18:21:25 +0800
Subject: [PATCH] Adding Haskell Package AD for automatic differentiation

---
 .../libraries/haskell/ad/default.nix          | 19 +++++++++++++++++++
 pkgs/top-level/haskell-packages.nix           |  2 ++
 2 files changed, 21 insertions(+)
 create mode 100644 pkgs/development/libraries/haskell/ad/default.nix

diff --git a/pkgs/development/libraries/haskell/ad/default.nix b/pkgs/development/libraries/haskell/ad/default.nix
new file mode 100644
index 000000000000..39c17de2c313
--- /dev/null
+++ b/pkgs/development/libraries/haskell/ad/default.nix
@@ -0,0 +1,19 @@
+{ cabal, comonad, dataReify, doctest, erf, filepath, free, mtl
+, nats, reflection, tagged, transformers
+}:
+
+cabal.mkDerivation (self: {
+  pname = "ad";
+  version = "4.2.0.1";
+  sha256 = "06vjllcrnr4dv5h3xkcy5zhnhyamp6b6jahpnh2y0i6mp2bdw0pz";
+  buildDepends = [
+    comonad dataReify erf free mtl nats reflection tagged transformers
+  ];
+  testDepends = [ doctest filepath mtl ];
+  meta = {
+    homepage = "http://github.com/ekmett/ad";
+    description = "Automatic Differentiation";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 11102c27a590..05c3dc7d4f4c 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -135,6 +135,8 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   abstractPar = callPackage ../development/libraries/haskell/abstract-par {};
 
+  ad = callPackage ../development/libraries/haskell/ad {};
+
   adjunctions = callPackage ../development/libraries/haskell/adjunctions {};
 
   AES = callPackage ../development/libraries/haskell/AES {};