Add Fortran example

Author: awvwgk

.github/workflows/examples.yml

@@ -17,7 +17,7 @@ jobs:
       matrix:
         toolchain: ["openmp", "mpi"]
         gauxc: ["release", "main"]
-        example: ["cpp/gauxc_integration", "c/gauxc_integration"]
+        example: ["cpp", "c", "fortran"]
 
     steps:
     - uses: actions/checkout@v4
@@ -27,7 +27,7 @@ jobs:
     - name: Setup micromamba
       uses: mamba-org/setup-micromamba@v1
       with:
-        environment-file: skala/examples/cpp/gauxc_integration/environment-${{ matrix.toolchain }}.yml
+        environment-file: skala/examples/${{ matrix.example }}/gauxc_integration/environment-${{ matrix.toolchain }}.yml
         environment-name: gauxc-dev
         cache-environment: true
         cache-downloads: true
@@ -49,7 +49,8 @@ jobs:
         -DGAUXC_ENABLE_MPI=${{ matrix.toolchain == 'mpi' }}
         -DGAUXC_ENABLE_CUDA=${{ matrix.toolchain == 'cuda' }}
         -DGAUXC_ENABLE_ONEDFT=ON
-        -DGAUXC_ENABLE_C=ON
+        -DGAUXC_ENABLE_C=${{ matrix.example == 'c' || matrix.example == 'fortran' }}
+        -DGAUXC_ENABLE_FORTRAN=${{ matrix.example == 'fortran' }}
         -DBUILD_SHARED_LIBS=ON
         -DCMAKE_INSTALL_PREFIX=$CONDA_PREFIX
       shell: micromamba-shell {0}
@@ -68,7 +69,7 @@ jobs:
       run: >-
         cmake
         -B build_example
-        -S skala/examples/${{ matrix.example }}
+        -S skala/examples/${{ matrix.example }}/gauxc_integration
         -G Ninja
         -DSkala_GauXC_ENABLE_OPENMP=${{ matrix.toolchain == 'openmp' }}
         -DSkala_GauXC_ENABLE_MPI=${{ matrix.toolchain == 'mpi' }}