Add second forward output and autodiff backend extensions (#40)

* Restructure with extensions for ForwardDiff and Enzyme

* Some fixes

* Bump version

* Double output everywhere

* Fix pullback due to tuple output

* Avoid code duplication

* Move chainrules machinery to extension, remove Enzyme

* Redo documentation and add first complete tutorial

* Re-add tests on earlier versions

* Not strict docs

* Build on PR

* Add link to stable doc

* Allow CI failures on nightly

* Repopulate docs

* Fix tests on 1.6

* Fix typo in docs

.github/workflows/CI.yml

@@ -3,7 +3,8 @@ on:
   push:
     branches:
       - main
-    tags: '*'
+    tags:
+      - '*'
   pull_request:
 concurrency:
   # Skip intermediate builds: always.
@@ -17,14 +18,15 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version:
-          - '1.7'
-          - '1.8'
-          - '~1.9.0-0'
-        os:
-          - ubuntu-latest
-        arch:
-          - x64
+        version: ['1.6', '1']
+        os: [ubuntu-latest]
+        arch: [x64]
+        allow_failure: [false]
+        include:
+          - version: 'nightly'
+            os: ubuntu-latest
+            arch: x64
+            allow_failure: true
     steps:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@v1

.gitignore

@@ -3,4 +3,5 @@
 *.jl.mem
 /Manifest.toml
 /docs/build/
-docs/src/examples/*.md
+docs/src/examples/*.md
+test/playground.jl

CITATION.bib

@@ -2,7 +2,7 @@ @misc{ImplicitDifferentiation.jl
 	author  = {Guillaume Dalle, Mohamed Tarek and contributors},
 	title   = {ImplicitDifferentiation.jl},
 	url     = {https://github.com/gdalle/ImplicitDifferentiation.jl},
-	version = {v0.3.0},
+	version = {v0.4.0},
 	year    = {2023},
-	month   = {3}
+	month   = {4}
 }

Project.toml

@@ -1,44 +1,49 @@
 name = "ImplicitDifferentiation"
 uuid = "57b37032-215b-411a-8a7c-41a003a55207"
 authors = ["Guillaume Dalle", "Mohamed Tarek and contributors"]
-version = "0.3.0"
+version = "0.4.0"
 
 [deps]
+AbstractDifferentiation = "c29ec348-61ec-40c8-8164-b8c60e9d9f3d"
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
 Krylov = "ba0b0d4f-ebba-5204-a429-3ac8c609bfb7"
 LinearOperators = "5c8ed15e-5a4c-59e4-a42b-c7e8811fb125"
+Requires = "ae029012-a4dd-5104-9daa-d747884805df"
 
 [compat]
+AbstractDifferentiation = "0.5"
 ChainRulesCore = "1.14"
+ForwardDiff = "0.10"
 Krylov = "0.8, 0.9"
 LinearOperators = "2.2"
-julia = "1.7"
+Requires = "1.3"
+julia = "1.6"
+
+[extensions]
+ImplicitDifferentiationChainRulesExt = "ChainRulesCore"
+ImplicitDifferentiationForwardDiffExt = "ForwardDiff"
 
 [extras]
 Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
 ChainRulesTestUtils = "cdddcdb0-9152-4a09-a978-84456f9df70a"
-ComponentArrays = "b0b7db55-cfe3-40fc-9ded-d10e2dbeff66"
-Convex = "f65535da-76fb-5f13-bab9-19810c17039a"
-Distances = "b4f34e82-e78d-54a5-968a-f98e89d6e8f7"
 Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
-FiniteDifferences = "26cc04aa-876d-5657-8c51-4c34ba976000"
 ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
-ForwardDiffChainRules = "c9556dd2-1aed-4cfe-8560-1557cf593001"
 JET = "c3a54625-cd67-489e-a8e7-0a5a0ff4e31b"
 JuliaFormatter = "98e50ef6-434e-11e9-1051-2b60c6c9e899"
 Krylov = "ba0b0d4f-ebba-5204-a429-3ac8c609bfb7"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
-LinearOperators = "5c8ed15e-5a4c-59e4-a42b-c7e8811fb125"
-MathOptInterface = "b8f27783-ece8-5eb3-8dc8-9495eed66fee"
-MathOptSetDistances = "3b969827-a86c-476c-9527-bb6f1a8fbad5"
+NLsolve = "2774e3e8-f4cf-5e23-947b-6d7e65073b56"
 Optim = "429524aa-4258-5aef-a3af-852621145aeb"
 Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
-SCS = "c946c3f1-0d1f-5ce8-9dea-7daa1f7e2d13"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 
 [targets]
-test = ["Aqua", "ChainRulesCore", "ChainRulesTestUtils", "ComponentArrays", "Convex", "Distances", "Documenter", "FiniteDifferences", "ForwardDiff", "ForwardDiffChainRules", "JET", "JuliaFormatter", "LinearAlgebra", "LinearOperators", "MathOptInterface", "MathOptSetDistances", "Optim", "Pkg", "Random", "SCS", "SparseArrays", "Test", "Zygote"]
+test = ["Aqua", "ChainRulesCore", "ChainRulesTestUtils", "Documenter", "ForwardDiff", "JET", "JuliaFormatter", "LinearAlgebra", "NLsolve", "Optim", "Pkg", "Random", "SparseArrays", "Test", "Zygote"]
+
+[weakdeps]
+ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
+ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"

README.md

@@ -1,6 +1,6 @@
 # ImplicitDifferentiation.jl
 
-<!-- [![Stable](https://img.shields.io/badge/docs-stable-blue.svg)](https://gdalle.github.io/ImplicitDifferentiation.jl/stable) -->
+[![Stable](https://img.shields.io/badge/docs-stable-blue.svg)](https://gdalle.github.io/ImplicitDifferentiation.jl/stable)
 [![Dev](https://img.shields.io/badge/docs-dev-blue.svg)](https://gdalle.github.io/ImplicitDifferentiation.jl/dev)
 [![Build Status](https://github.com/gdalle/ImplicitDifferentiation.jl/actions/workflows/CI.yml/badge.svg?branch=main)](https://github.com/gdalle/ImplicitDifferentiation.jl/actions/workflows/CI.yml?query=branch%3Amain)
 [![Coverage](https://codecov.io/gh/gdalle/ImplicitDifferentiation.jl/branch/main/graph/badge.svg)](https://codecov.io/gh/gdalle/ImplicitDifferentiation.jl)