update github action for torsten unit testing

.github/workflows/torsten_test.yml

@@ -12,6 +12,12 @@ on:
       - 'LICENSE.md'
       - 'README.md'
       - 'RELEASE-NOTES.txt'
+  workflow_dispatch:
+    inputs:
+      branch:
+        description: 'The branch to build'
+        required: true
+
 jobs:
   nix:
     name: ubuntu/macos tests
@@ -22,17 +28,17 @@ jobs:
         os: [ubuntu-latest, macos-latest]
 
     steps:
-    - uses: n1hility/cancel-previous-runs@v2
+    - uses: n1hility/cancel-previous-runs@v3
       with:
         token: ${{ secrets.GITHUB_TOKEN }}
       if: "!startsWith(github.ref, 'refs/tags/') && github.ref != 'refs/heads/torsten-master' && github.ref != 'refs/heads/torsten-develop'"
 
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         submodules: recursive
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4
       with:
-        python-version: '2.x'
+        python-version: '3.x'
     - name: Print g++ & make version and path
       shell: bash
       run: |
@@ -64,31 +70,37 @@ jobs:
     runs-on: windows-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         submodules: recursive
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4
       with:
-        python-version: '2.x'
-    - name: Set up R 4.0
-      uses: r-lib/actions/setup-r@v1
+        python-version: '3.x'
+    - uses: r-lib/actions/setup-r@v2
       with:
-        r-version: '4.0.0'
-    - name: Print g++ info
+        r-version: 4.1.3
+
+    - name: Set path for Rtools40
+      if: runner.os == 'Windows'
+      run: echo "C:/rtools40/usr/bin;C:/rtools40/mingw64/bin" | Out-File -Append -FilePath $env:GITHUB_PATH -Encoding utf8
+    - name: Install mingw32-make and check toolchain path
+      if: runner.os == 'Windows'
       run: |
+        pacman -Syu mingw-w64-x86_64-make --noconfirm
         g++ --version
         Get-Command g++ | Select-Object -ExpandProperty Definition
-    - name: Print mingw32-make info
-      shell: powershell
-      run: |
         mingw32-make --version
         Get-Command mingw32-make | Select-Object -ExpandProperty Definition
+      shell: powershell
+
     - name: Build Math libs
       shell: powershell
-      run: mingw32-make -f make/standalone math-libs
+      run: |
+        Add-Content make\local "O=1`n"
+        mingw32-make -f make/standalone math-libs -j2
     - name: Add TBB to PATH
       shell: powershell
-      run: echo "D:\a\math\math\lib\tbb" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+      run: echo "D:/a/math/math/lib/tbb" | Out-File -Append -FilePath $env:GITHUB_PATH -Encoding utf8
     - name: Add Torsten to PATH
       shell: powershell
       run: echo "D:/a/math/math/stan/math/torsten" | Out-File -Append -FilePath $env:GITHUB_PATH -Encoding utf8