Update clang-format to v0.20. (#111)

Author: jrood-nrel

.github/workflows/ci.yml

@@ -12,18 +12,18 @@ concurrency:
 
 jobs:
   Formatting:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v4
-    - uses: DoozyX/clang-format-lint-action@v0.18.2
+    - uses: DoozyX/clang-format-lint-action@v0.20
       with:
         source: './app ./src'
         exclude: '.'
         extensions: 'H,h,cpp'
-        clangFormatVersion: 18
+        clangFormatVersion: 20
   CPU:
     needs: Formatting
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     container:
       image: ecpe4s/exawind-snapshot
       env:

README.md

@@ -22,3 +22,10 @@ To cite ExaWind or the usage of this driver and to learn more about the methodol
     year = {2024}
 }
 ```
+
+## Contributing
+
+To pass the format check use this with a new version of `clang-format`:
+```
+find ./app ./src \( -name "*.cpp" -o -name "*.H" -o -name "*.h" -o -name "*.C" \) -exec clang-format -i {} +
+```