Windows support

.github/workflows/win-test.yml

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+name: Win Test
+
+on: push
+
+jobs:
+  build-wheels:
+    name: Build Wheels
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [3.6, 3.7, 3.8, 3.9]
+        pytorch-version: [1.9, '1.10', 1.11, 1.12]
+        cuda-version: [10.2, 11.3, 11.6]
+        include:
+          - cuda-version: 10.2
+            cuda-minor-version: 89 #https://developer.download.nvidia.com/compute/cuda/10.2/Prod/network_installers/cuda_10.2.89_win10_network.exe
+            cuda-arch-list: "3.7 5.0 6.0 6.1 6.2 7.0 7.2 7.5+PTX"
+            gcc-version: 8
+          - cuda-version: 11.3
+            cuda-minor-version: 0 #https://developer.download.nvidia.com/compute/cuda/11.3.0/network_installers/cuda_11.3.0_win10_network.exe
+            cuda-arch-list: "3.7 5.0 6.0 6.1 6.2 7.0 7.2 7.5 8.0 8.6+PTX"
+            gcc-version: 10
+          - cuda-version: 11.6
+            cuda-minor-version: 0 #https://developer.download.nvidia.com/compute/cuda/11.6.0/network_installers/cuda_11.6.0_windows_network.exe
+            cuda-arch-list: "3.7 5.0 6.0 6.1 6.2 7.0 7.2 7.5 8.0 8.6+PTX"
+            gcc-version: 10
+
+        exclude:
+          - python-version: 3.6
+            pytorch-version: 1.11
+          - python-version: 3.6
+            pytorch-version: 1.12
+          - pytorch-version: 1.9
+            cuda-version: 11.3
+          - pytorch-version: 1.9
+            cuda-version: 11.6 
+          - pytorch-version: '1.10'
+            cuda-version: 11.6 
+          - pytorch-version: 1.11
+            cuda-version: 11.6 
+    steps:
+      - name: Install Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install MSVC
+        uses: ilammy/msvc-dev-cmd@v1
+
+      - name: Install Cuda
+        uses: Jimver/[email protected]
+        id: cuda-toolkit
+        with:
+          cuda: '${{ matrix.cuda-version }}.${{ matrix.cuda-minor-version }}'
+
+      - name: Install Pytorch
+        run: |
+          FULL_PYTORCH_VERSION=$(python -m pip index versions torch -f https://download.pytorch.org/whl/torch_stable.html | grep -o ${PYTORCH_VERSION}.[0-9]+cu${CUDA_VERSION//.} | head -n 1); \
+          python -m pip install torch==${FULL_PYTORCH_VERSION} -f https://download.pytorch.org/whl/torch_stable.html;
+          python -m pip install numpy wheel ninja
+
+      - name: Checkout Repository
+        uses: actions/checkout@v2
+
+      - name: Build Wheels
+        working-directory: test_extension
+        run: python setup.py install