use __truediv__; add Lambda; close #390 (#391)

* use __truediv__; add Lambda; close #390

* replace travis with github actions

.github/workflows/ci-nightly.yml

@@ -0,0 +1,42 @@
+name: CI-nightly
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches:
+      - master
+    tags: '*'
+jobs:
+  test:
+    name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        version:
+          - 'nightly'
+        os:
+          - ubuntu-latest
+          - macos-latest
+          - windows-latest
+        arch:
+          - x64
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.version }}
+          arch: ${{ matrix.arch }}
+      - uses: actions/cache@v1
+        env:
+          cache-name: cache-artifacts
+        with:
+          path: ~/.julia/artifacts
+          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-test-${{ env.cache-name }}-
+            ${{ runner.os }}-test-
+            ${{ runner.os }}-
+      - uses: julia-actions/julia-buildpkg@v1
+      - uses: julia-actions/julia-runtest@v1

.github/workflows/ci.yml

@@ -0,0 +1,47 @@
+name: CI
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches:
+      - master
+    tags: '*'
+jobs:
+  test:
+    name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        version:
+          - '1.0' # lowest supported version
+          - '1'   # last released version
+        os:
+          - ubuntu-latest
+          - macos-latest
+          - windows-latest
+        arch:
+          - x64
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.version }}
+          arch: ${{ matrix.arch }}
+      - uses: actions/cache@v1
+        env:
+          cache-name: cache-artifacts
+        with:
+          path: ~/.julia/artifacts
+          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-test-${{ env.cache-name }}-
+            ${{ runner.os }}-test-
+            ${{ runner.os }}-
+      - uses: julia-actions/julia-buildpkg@v1
+      - uses: julia-actions/julia-runtest@v1
+      - uses: julia-actions/julia-processcoverage@v1
+      - uses: codecov/codecov-action@v1
+        with:
+          file: lcov.info

.gitignore

@@ -4,3 +4,5 @@
 docs/build
 docs/site
 Manifest.toml
+appveyor.yml
+.travis.yml

Project.toml

@@ -1,6 +1,6 @@
 name = "SymPy"
 uuid = "24249f21-da20-56a4-8eb1-6a02cf4ae2e6"
-version = "1.0.33"
+version = "1.0.34"
 
 
 [deps]

README.md

@@ -1,4 +1,4 @@
-[![Build Status](https://travis-ci.com/jverzani/SymPy.jl.svg?branch=master)](https://travis-ci.com/jverzani/SymPy.jl)
+![Build status](https://github.com/JuliaPy/SymPy.jl/workflows/CI/badge.svg)](https://github.com/JuliaPy/SymPy.jl/actions)
  
 [![](https://img.shields.io/badge/docs-stable-blue.svg)](https://juliahub.com/docs/SymPy)
 

docs/src/Tutorial/calculus.md

@@ -785,6 +785,12 @@ flag `evaluate=True`:
 
 ```jldoctest calculus
 julia> sympy.differentiate_finite(f(x)*g(x), evaluate=true)
+/Users/verzani/.julia/conda/3/lib/python3.7/site-packages/sympy/calculus/finite_diff.py:477: SymPyDeprecationWarning:
+
+``evaluate`` flag has been deprecated since SymPy 1.5. See
+https://github.com/sympy/sympy/issues/17881 for more info.
+
+  deprecated_since_version="1.5").warn()
 (-f(x - 1/2) + f(x + 1/2))⋅g(x) + (-g(x - 1/2) + g(x + 1/2))⋅f(x)
 
 ```

docs/src/Tutorial/gotchas.md

@@ -583,7 +583,7 @@ julia> ex = x^2 - 2x + 2
 x  - 2⋅x + 2
 
 julia> fn = lambdify(ex)
-#87 (generic function with 1 method)
+#89 (generic function with 1 method)
 
 julia> fn(1) - ex(1)
 0