From eecf3447ab5a29437ae9e9aa7240733e9041e6bd Mon Sep 17 00:00:00 2001
From: Gaurav Dhingra <gauravdhingra.gxyd@gmail.com>
Date: Tue, 18 Mar 2025 16:20:34 +0530
Subject: [PATCH 1/4] CI: run tests at CI

---
 .github/workflows/CI.yml |  6 ++++++
 tests/run_tests.sh       | 23 +++++++++++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100755 tests/run_tests.sh

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 3bca275..1f4108b 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -41,6 +41,12 @@ jobs:
           cd tests/pot3d
           FC="gfortran" ./build_and_run_gfortran.sh
 
+      - name: Run standalone tests with GFortran
+        shell: bash -e -x -l {0}
+        run: |
+          cd tests
+          FC="gfortran" ./run_tests.sh
+
   Compile_POT3D_with_LFortran:
     name: "Build POT3D and validate with LFortran"
     runs-on: ${{ matrix.os }}
diff --git a/tests/run_tests.sh b/tests/run_tests.sh
new file mode 100755
index 0000000..7a8740e
--- /dev/null
+++ b/tests/run_tests.sh
@@ -0,0 +1,23 @@
+set -ex
+
+MPIEXEC=${CONDA_PREFIX}/bin/mpiexec
+
+if [[ "$(uname)" == "Linux" ]]; then
+  CC=gcc
+else
+  CC=clang
+fi
+
+$CC -I$CONDA_PREFIX/include -c ../src/mpi_wrapper.c
+$FC -c ../src/mpi_c_bindings.f90
+$FC -c ../src/mpi.f90
+$FC -c -cpp cart_sub.f90
+$FC mpi_wrapper.o mpi_c_bindings.o mpi.o cart_sub.o -o cart_sub -L$CONDA_PREFIX/lib -lmpi -Wl,-rpath,$CONDA_PREFIX/lib
+
+echo "Running cart_sub with 1 MPI rank..."
+${MPIEXEC} -np 1 cart_sub
+echo "Done!"
+
+echo "Running cart_sub with 2 MPI rank..."
+${MPIEXEC} -np 2 cart_sub
+echo "Done!"

From 6676e62aed9d6ef01301463b01c96812df208414 Mon Sep 17 00:00:00 2001
From: Gaurav Dhingra <gauravdhingra.gxyd@gmail.com>
Date: Tue, 18 Mar 2025 16:26:41 +0530
Subject: [PATCH 2/4] create a separate CI job for running standalone tests
 with GFortran

---
 .github/workflows/CI.yml | 28 ++++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 1f4108b..6635ae3 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -12,6 +12,28 @@ env:
   MACOSX_DEPLOYMENT_TARGET: 14.0
 
 jobs:
+  Run_standalone_tests_with_GFortran:
+    name: "Run standalone tests with GFortran"
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: ["macos-latest", "ubuntu-20.04"]
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Micromamba
+        uses: mamba-org/setup-micromamba@v2.0.2
+        with:
+          micromamba-version: '2.0.4-0'
+          environment-file: ci/environment_gfortran.yml
+
+      - name: Run standalone tests with GFortran with and without optimization
+        shell: bash -e -x -l {0}
+        run: |
+          cd tests
+          FC="gfortran" ./run_tests.sh
+          FC="gfortran -O3 -march=native" ./run_tests.sh
+
   Compile_POT3D_with_GFortran:
     name: "Build POT3D and validate with GFortran"
     runs-on: ${{ matrix.os }}
@@ -41,12 +63,6 @@ jobs:
           cd tests/pot3d
           FC="gfortran" ./build_and_run_gfortran.sh
 
-      - name: Run standalone tests with GFortran
-        shell: bash -e -x -l {0}
-        run: |
-          cd tests
-          FC="gfortran" ./run_tests.sh
-
   Compile_POT3D_with_LFortran:
     name: "Build POT3D and validate with LFortran"
     runs-on: ${{ matrix.os }}

From 31b3e36e3f2693505f3d80a918b63426e35fc52a Mon Sep 17 00:00:00 2001
From: Gaurav Dhingra <gauravdhingra.gxyd@gmail.com>
Date: Tue, 18 Mar 2025 16:56:04 +0530
Subject: [PATCH 3/4] CI: run standalone tests with LFortran

---
 .github/workflows/CI.yml | 22 ++++++++++++++++++++++
 tests/run_tests.sh       | 25 +++++++++++++++++--------
 2 files changed, 39 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 6635ae3..578b166 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -34,6 +34,28 @@ jobs:
           FC="gfortran" ./run_tests.sh
           FC="gfortran -O3 -march=native" ./run_tests.sh
 
+  Run_standalone_tests_with_LFortran:
+    name: "Run standalone tests with LFortran"
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: ["macos-latest", "ubuntu-20.04"]
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Micromamba
+        uses: mamba-org/setup-micromamba@v2.0.2
+        with:
+          micromamba-version: '2.0.4-0'
+          environment-file: ci/environment_lfortran.yml
+
+      - name: Run standalone tests with LFortran with and without optimization
+        shell: bash -e -x -l {0}
+        run: |
+          cd tests
+          FC="lfortran" ./run_tests.sh
+          FC="lfortran --fast" ./run_tests.sh
+
   Compile_POT3D_with_GFortran:
     name: "Build POT3D and validate with GFortran"
     runs-on: ${{ matrix.os }}
diff --git a/tests/run_tests.sh b/tests/run_tests.sh
index 7a8740e..6981144 100755
--- a/tests/run_tests.sh
+++ b/tests/run_tests.sh
@@ -11,13 +11,22 @@ fi
 $CC -I$CONDA_PREFIX/include -c ../src/mpi_wrapper.c
 $FC -c ../src/mpi_c_bindings.f90
 $FC -c ../src/mpi.f90
-$FC -c -cpp cart_sub.f90
-$FC mpi_wrapper.o mpi_c_bindings.o mpi.o cart_sub.o -o cart_sub -L$CONDA_PREFIX/lib -lmpi -Wl,-rpath,$CONDA_PREFIX/lib
 
-echo "Running cart_sub with 1 MPI rank..."
-${MPIEXEC} -np 1 cart_sub
-echo "Done!"
+for file in *.f90; do
+  filename=$(basename "$file" .f90)
+  # TODO: currently "allreduce.f90" fails to compile, hence
+  # we skip that test for now
+  if [ "$filename" == "allreduce" ]; then
+    continue
+  fi
+  $FC -c $file
+  $FC mpi_wrapper.o mpi_c_bindings.o mpi.o $filename.o -o $filename -L$CONDA_PREFIX/lib -lmpi -Wl,-rpath,$CONDA_PREFIX/lib
 
-echo "Running cart_sub with 2 MPI rank..."
-${MPIEXEC} -np 2 cart_sub
-echo "Done!"
+  echo "Running cart_sub with 1 MPI rank..."
+  ${MPIEXEC} -np 1 $filename
+  echo "Done!"
+
+  echo "Running cart_sub with 2 MPI rank..."
+  ${MPIEXEC} -np 2 $filename
+  echo "Done!"
+done

From ff5dad9a4f8cc7413dad8b50d585c4e4a4a94e33 Mon Sep 17 00:00:00 2001
From: Gaurav Dhingra <gauravdhingra.gxyd@gmail.com>
Date: Tue, 18 Mar 2025 17:04:30 +0530
Subject: [PATCH 4/4] fix filename in run_tests.sh script

---
 tests/run_tests.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/run_tests.sh b/tests/run_tests.sh
index 6981144..18e1b1d 100755
--- a/tests/run_tests.sh
+++ b/tests/run_tests.sh
@@ -22,11 +22,11 @@ for file in *.f90; do
   $FC -c $file
   $FC mpi_wrapper.o mpi_c_bindings.o mpi.o $filename.o -o $filename -L$CONDA_PREFIX/lib -lmpi -Wl,-rpath,$CONDA_PREFIX/lib
 
-  echo "Running cart_sub with 1 MPI rank..."
+  echo "Running $filename with 1 MPI rank..."
   ${MPIEXEC} -np 1 $filename
   echo "Done!"
 
-  echo "Running cart_sub with 2 MPI rank..."
+  echo "Running $filename with 2 MPI rank..."
   ${MPIEXEC} -np 2 $filename
   echo "Done!"
 done