Updates cpp and add Mac ARM to test (#172)

Author: StephenNneji

.github/workflows/run_tests.yml

@@ -19,13 +19,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-13]
+        platform: [windows-latest, ubuntu-latest, macos-13, macos-14]
         version: ["3.10", "3.13"]
     defaults:
       run:
         shell: bash -l {0}
 
-    runs-on: ${{ matrix.os }}
+    runs-on: ${{ matrix.platform}}
 
     steps:
       - uses: actions/checkout@v4      
@@ -35,8 +35,8 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.version }}
-      - name: Install OMP (MacOS) 
-        if: runner.os == 'macOS'
+      - name: Install OMP (MacOS Intel) 
+        if: matrix.platform == 'macos-13'
         run: |
           brew install llvm libomp
           echo "export CC=/usr/local/opt/llvm/bin/clang" >> ~/.bashrc
@@ -45,6 +45,16 @@ jobs:
           echo "export CXXFLAGS=\"$CXXFLAGS -I/usr/local/opt/libomp/include\"" >> ~/.bashrc
           echo "export LDFLAGS=\"$LDFLAGS -Wl,-rpath,/usr/local/opt/libomp/lib -L/usr/local/opt/libomp/lib -lomp\"" >> ~/.bashrc
           source ~/.bashrc
+      - name: Install OMP (MacOS M1) 
+        if: matrix.platform == 'macos-14'
+        run: |
+          brew install llvm libomp
+          echo "export CC=/opt/homebrew/opt/llvm/bin/clang" >> ~/.bashrc
+          echo "export CXX=/opt/homebrew/opt/llvm/bin/clang++" >> ~/.bashrc
+          echo "export CFLAGS=\"$CFLAGS -I/opt/homebrew/opt/libomp/include\"" >> ~/.bashrc
+          echo "export CXXFLAGS=\"$CXXFLAGS -I/opt/homebrew/opt/libomp/include\"" >> ~/.bashrc
+          echo "export LDFLAGS=\"$LDFLAGS -Wl,-rpath,/opt/homebrew/opt/libomp/lib -L/opt/homebrew/opt/libomp/lib -lomp\"" >> ~/.bashrc
+          source ~/.bashrc
       - name: Install OMP (Linux)
         if: runner.os == 'Linux'
         run: |