Added CUDA github workflow

Just testing the waters

Author: kylosus

.github/workflows/cmake-cuda-multi-platform.yml

@@ -0,0 +1,82 @@
+# This starter workflow is for a CMake project running on multiple platforms. There is a different starter workflow if you just want a single platform.
+# See: https://github.com/actions/starter-workflows/blob/main/ci/cmake-single-platform.yml
+name: CMake on multiple platforms
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      # Set fail-fast to false to ensure that feedback is delivered for all matrix combinations. Consider changing this to true when your workflow is stable.
+      fail-fast: false
+
+      # To add more build types (Release, Debug, RelWithDebInfo, etc.) customize the build_type list.
+      matrix:
+        os: [ubuntu-latest]
+        build_type: [Release]
+        c_compiler: [gcc, clang]
+        include:
+          - os: ubuntu-latest
+            c_compiler: gcc
+            cpp_compiler: g++
+          - os: ubuntu-latest
+            c_compiler: clang
+            cpp_compiler: clang++
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set reusable strings
+      # Turn repeated input strings (such as the build output directory) into step outputs. These step outputs can be used throughout the workflow file.
+      id: strings
+      shell: bash
+      run: |
+        echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT"
+
+    - name: cuda-toolkit
+      # You may pin to the exact commit or the version.
+      # uses: Jimver/cuda-toolkit@b6fc3a9f3f15256d9d94ffe1254f9c5a2565cde6
+      uses: Jimver/cuda-toolkit@v0.2.30
+      with:
+        # Cuda version
+        cuda: # optional, default is 13.1.0
+        # Only installs specified subpackages, must be in the form of a JSON array. For example, if you only want to install nvcc and visual studio integration: ["nvcc", "visual_studio_integration"] double quotes required! Note that if you want to use this on Linux, 'network' method MUST be used.
+        sub-packages: # optional, default is []
+        # Only installs specified subpackages that do not have the cuda prefix, must be in the form of a JSON array. For example, if you only want to install libcublas and libcufft: ["libcublas", "libcufft"] double quotes required! Note that this only works with 'network' method on only on Linux.
+        non-cuda-sub-packages: # optional, default is []
+        # Installation method, can be either 'local' or 'network'. 'local' downloads the entire installer with all packages and runs that (you can still only install certain packages with sub-packages on Windows). 'network' downloads a smaller executable which only downloads necessary packages which you can define in subPackages
+        method: # optional, default is local
+        # (Linux and 'local' method only) override arguments for the linux .run installer. For example if you don't want samples use ["--toolkit"] double quotes required!
+        linux-local-args: # optional, default is ["--toolkit", "--samples"]
+        # Use GitHub cache to cache downloaded installer on GitHub servers
+        use-github-cache: # optional, default is true
+        # Use local cache to cache downloaded installer on the local runner
+        use-local-cache: # optional, default is true
+        # Suffix of log file name in artifact
+        log-file-suffix: # optional, default is log.txt
+    
+    - name: Configure CMake
+      # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
+      # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
+      run: >
+        cmake -B ${{ steps.strings.outputs.build-output-dir }}
+        -DCMAKE_CXX_COMPILER=${{ matrix.cpp_compiler }}
+        -DCMAKE_C_COMPILER=${{ matrix.c_compiler }}
+        -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
+        -S ${{ github.workspace }}
+
+    - name: Build
+      # Build your program with the given configuration. Note that --config is needed because the default Windows generator is a multi-config generator (Visual Studio generator).
+      run: cmake --build ${{ steps.strings.outputs.build-output-dir }} --config ${{ matrix.build_type }}
+
+    # - name: Test
+    #   working-directory: ${{ steps.strings.outputs.build-output-dir }}
+    #   # Execute tests defined by the CMake configuration. Note that --build-config is needed because the default Windows generator is a multi-config generator (Visual Studio generator).
+    #   # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
+    #   run: ctest --build-config ${{ matrix.build_type }}