add ci

.github/workflows/ci.yml

@@ -0,0 +1,24 @@
+name: CI
+
+on: [ push, pull_request ]
+
+jobs:
+  build:
+
+    name: ${{ matrix.os }} (${{ matrix.configuration }})
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        configuration: [ Debug, Release ]
+        os: [ macos-latest, ubuntu-latest, windows-latest ]
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v2
+
+      - name: Configure cmake
+        run:  cmake -B${{github.workspace}}/examples/build -DCMAKE_BUILD_TYPE=${{ matrix.configuration }}
+
+      - name: Build with ${{ matrix.compiler }}
+        run:  cmake --build ${{github.workspace}}/examples/build --config ${{ matrix.configuration }}

.github/workflows/clang-format.yml

@@ -0,0 +1,26 @@
+name: Clang Format Diff
+
+on: [ push, pull_request ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: install clang-format
+        run:  sudo apt install clang-format
+        
+      - name: check-diff
+        run: |
+          diff=`git-clang-format --diff HEAD^`
+          if ! [[ "$diff" = "no modified files to format" || "$diff" = "clang-format did not modify any files" ]]; then
+              echo "The diff you sent is not formatted correctly."
+              echo "The suggested format is"
+              echo "$diff"
+              exit 1
+          fi