Actor model for actions

.travis.yml

@@ -1,57 +1,59 @@
-# https://serokell.io/posts/2018-01-24-using-travis-CI-for-Haskell-projects.html
-# also see:
-# https://docs.travis-ci.com/user/customizing-the-build/#Build-Matrix
-# https://docs.haskellstack.org/en/stable/travis_ci/
-# https://github.com/commercialhaskell/stack/blob/master/.travis.yml
-# https://github.com/ekmett/intervals/blob/master/.travis.yml
-
-sudo: true
-
 language: haskell
+dist: trusty
 
-# Caching so the next build will be fast too.
 cache:
   directories:
   - $HOME/.stack
-  - $HOME/build/tonyday567/numhask/.stack-work
-
-ghc:
-  - head
-  # - 8.6.1
-  - 8.4.3
+  - $TRAVIS_BUILD_DIR/.stack-work
 
-env:
-  - PACKAGEDIR="numhask"
-  - PACKAGEDIR="numhask-prelude"
-  - PACKAGEDIR="numhask-array"
-  - PACKAGEDIR="numhask-hedgehog"
+cabal: "2.4"
 
 matrix:
-  allow_failures:
-    - ghc: head
-    - ghc: ghc-8.6.1
-
-# Ensure necessary system libraries are present
-addons:
-  apt:
-    sources:
-      - sourceline: 'ppa:hvr/ghc' # PPA of Haskell packages
-    packages:
-      - libgmp-dev           # required by cabal
-      - cabal-install-2.2    # required by GHC 8.*
-      - cabal-install-head    # required by GHC head
+  include:
+    - env: ARGS="--resolver lts-13.11 --system-ghc"
+      ghc: "8.6.3"
+      # a -Werror build that is allowed to fail
+    - env: BUILD=werror ARGS="--resolver lts-13.11 --system-ghc"
+      ghc: "8.6.3"
+    - env: BUILD=stack ARGS="--resolver nightly --system-ghc"
+      ghc: "8.6.4"
 
-before_install:
-  - cd ${PACKAGEDIR}
+  allow_failures:
+    - env: BUILD=stack ARGS="--resolver nightly --system-ghc"
+    - env: BUILD=werror ARGS="--resolver lts-13.11 --system-ghc"
 
 install:
-  # Download and unpack the stack executable
-  - mkdir -p ~/.local/bin
-  - export PATH=$HOME/.local/bin:$PATH
-  - travis_retry curl -L https://www.stackage.org/stack/linux-x86_64 | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'
-  # Build dependencies
-  - stack --no-terminal --install-ghc test --only-dependencies
+- |
+  case "$BUILD" in
+    cabal)
+      cabal --version
+      ghc --version
+      ;;
+    stack|werror)
+      ghc --version
+      PATH=$HOME/.local/bin:$PATH
+      mkdir -p ~/.local/bin
+      if [ `uname` = "Darwin" ]
+      then
+        travis_retry curl --insecure -L https://get.haskellstack.org/stable/osx-x86_64.tar.gz | tar xz --strip-components=1 --include '*/stack' -C ~/.local/bin
+      else
+        travis_retry curl -L https://get.haskellstack.org/stable/linux-x86_64.tar.gz | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'
+      fi
+      ;;
+  esac
 
 script:
-  # Build the package, its tests, and its docs and run the tests
-  - stack --no-terminal test --haddock --no-haddock-deps
+- |
+  case "$BUILD" in
+    cabal)
+      cabal v2-update
+      cabal v2-build
+      cabal v2-test --enable-test
+      ;;
+    stack)
+      stack --no-terminal $ARGS test --haddock --no-haddock-deps
+      ;;
+    werror)
+      stack --no-terminal $ARGS test --haddock --no-haddock-deps --ghc-options -Werror --ghc-options -Wcompat --ghc-options -Wincomplete-record-updates --ghc-options -Wincomplete-uni-patterns --ghc-options -Wredundant-constraints
+      ;;
+  esac

hunit-numhask/hunit-numhask.cabal

@@ -16,13 +16,10 @@ category:
   Test
 build-type:
   Simple
-extra-source-files:
-  README.md
 cabal-version:
   >=1.18
 tested-with:
   GHC == 8.4.1
-
 library
   default-language: Haskell2010
   ghc-options:
@@ -36,7 +33,6 @@ library
     , exceptions
     , HUnit
     , numhask
-
 test-suite spec
   default-language: Haskell2010
   ghc-options:
@@ -54,9 +50,10 @@ test-suite spec
     , hunit-numhask
     , hspec
     , QuickCheck
-
 source-repository head
   type:
     git
   location:
-    https://github.com/githubuser/hunit-numhask
+    https://github.com/tonyday567/numhask
+  subdir:
+    hunit-numhask

hunit-numhask/test/LibSpec.hs

@@ -10,6 +10,6 @@ spec :: Spec
 spec =
   describe "Test.HUnit.NumHask" $ do
     it "Tests Float values for approximate equality" $ 
-      (1/3 :: Float) `shouldBeAbout` 0.333333
+      (1/3 :: Float) `shouldBeAbout` 0.33333334
     it "Tests Double values for approximate equality" $ 
       (1/3 :: Double) `shouldBeAbout` 0.3333333333333333

numhask-array/numhask-array.cabal

@@ -26,16 +26,13 @@ build-type:
   Simple
 cabal-version:
   >= 1.18
-
-extra-source-files:
-  stack.yaml
-
 source-repository head
   type:
     git
   location:
-    https://github.com/tonyday567/numhask-array
-
+    https://github.com/tonyday567/numhask
+  subdir:
+    numhask-array
 library
   hs-source-dirs:
     src
@@ -51,14 +48,14 @@ library
     -Wincomplete-uni-patterns
     -Wredundant-constraints
   build-depends:
-      base >=4.11 && <4.12
+      base >=4.11 && <4.13
     , adjunctions >=4.0 && <5
     , deepseq >=1.4.2.0 && <2
     , dimensions >=0.3.2.0 && <0.4
     , distributive >=0.4 && <0.6
-    , numhask-prelude >=0.3 && <0.4
+    , numhask-prelude
     , numhask-hedgehog
-    , protolude >=0.1 && <0.3
+    , protolude
     , singletons >=2.0 && <2.5
     , vector >=0.10 && <0.13
   exposed-modules:
@@ -67,7 +64,6 @@ library
     NumHask.Array.Example
     NumHask.Shape
   default-language: Haskell2010
-
 test-suite test
   type:
     exitcode-stdio-1.0

numhask-array/src/NumHask/Array.hs

@@ -283,7 +283,7 @@ instance
 --  [43, 50]]
 --
 mmult :: forall c m n k a.
-  ( Hilbert (Vector c k) a
+  ( Hilbert (Vector c k a)
   , Dimensions '[ m, k]
   , Dimensions '[ k, n]
   , Dimensions '[ m, n]
@@ -610,7 +610,6 @@ instance (Functor (Array c r), Foldable (Array c r), Additive (Array c r a), Nor
          Normed (Array c r a) a where
   normL1 r = foldr (+) zero $ normL1 <$> r
   normL2 r = sqrt $ foldr (+) zero $ (** (one + one)) <$> r
-  normLp p r = (** (one / p)) $ foldr (+) zero $ (** p) . normL1 <$> r
 
 instance (Eq (c a), Foldable (Array c r), Dimensions r, Container c, Epsilon a) =>
          Epsilon (Array c r a) where
@@ -622,7 +621,6 @@ instance (Foldable (Array c r), Dimensions r, Container c, ExpField a, Subtracti
          Metric (Array c r a) a where
   distanceL1 a b = normL1 (a - b)
   distanceL2 a b = normL2 (a - b)
-  distanceLp p a b = normLp p (a - b)
 
 instance (Dimensions r, Container c, Integral a) => Integral (Array c r a) where
   divMod a b = (d, m)
@@ -636,9 +634,7 @@ instance (Dimensions r, Container c, Integral a) => Integral (Array c r a) where
       q = fmap fst x
       r = fmap snd x
 
-instance (Foldable (Array c r), CommutativeRing a, Semiring a, Dimensions r, Container c) =>
-  Hilbert (Array c r) a where
-  a <.> b = sum $ liftR2 (*) a b
+type instance Actor (Array c r a) = a
 
 instance (Dimensions r, Container c, Multiplicative a) =>
   HadamardMultiplication (Array c r) a where
@@ -649,25 +645,29 @@ instance (Dimensions r, Container c, Divisive a) =>
   (./.) = liftR2 (/)
 
 instance (Dimensions r, Container c, Additive a) =>
-  AdditiveAction (Array c (r::[Nat])) a where
+  AdditiveAction (Array c (r::[Nat]) a) where
   (.+) r s = fmap (s +) r
   (+.) s = fmap (s +)
 
 instance (Dimensions r, Container c, Subtractive a) =>
-  SubtractiveAction (Array c (r::[Nat])) a where
+  SubtractiveAction (Array c (r::[Nat]) a) where
   (.-) r s = fmap (\x -> x - s) r
   (-.) s = fmap (\x -> x - s)
 
 instance (Dimensions r, Container c, Multiplicative a) =>
-  MultiplicativeAction (Array c (r :: [Nat])) a where
+  MultiplicativeAction (Array c (r :: [Nat]) a) where
   (.*) r s = fmap (* s) r
   (*.) s = fmap (s *)
 
 instance (Dimensions r, Container c, Divisive a) =>
-  DivisiveAction (Array c (r::[Nat])) a where
+  DivisiveAction (Array c (r::[Nat]) a) where
   (./) r s = fmap (/ s) r
   (/.) s = fmap (/ s)
 
+instance forall a c r. (Actor (Array c r a) ~ a, Foldable (Array c r), P.Distributive a, CommutativeRing a, Semiring a, Dimensions r, Container c) =>
+  Hilbert (Array c r a) where
+  a <.> b = sum $ liftR2 (*) a b
+
 instance
   ( Foldable (Array c r)
   , Dimensions r

numhask-bench/numhask-bench.cabal

@@ -24,16 +24,13 @@ build-type:
   Simple
 cabal-version:
   >= 1.18
-
-extra-source-files:
-  stack.yaml
-
 source-repository head
   type:
     git
   location:
-    https://github.com/tonyday567/numhask-bench
-
+    https://github.com/tonyday567/numhask
+  subdir:
+    numhask-array
 executable numhask-bench
   main-is:
     bench.hs
@@ -52,7 +49,7 @@ executable numhask-bench
     -Wincomplete-uni-patterns
     -Wredundant-constraints
   build-depends:
-      base >=4.7 && <5
+      base >=4.7 && <4.13
     , hmatrix
     , matrix
     , numhask