From e2e2b3db6f6e0a9543f51b12b6b12ffe1c20dd0f Mon Sep 17 00:00:00 2001
From: Alexis Montoison <alexis.montoison@polymtl.ca>
Date: Thu, 31 Jul 2025 23:18:48 -0500
Subject: [PATCH 01/26] [CI] Compile Uno with HiGHS

---
 .github/workflows/build-macos.yml      | 23 ++++++++++++++++++----
 .github/workflows/build-msvc.yml       |  4 ++++
 .github/workflows/build-windows.yml    | 17 ++++++++++++++--
 .github/workflows/unit-tests-linux.yml | 27 ++++++++++++++++++++------
 4 files changed, 59 insertions(+), 12 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 326746eae..2cd799813 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -27,10 +27,18 @@ jobs:
     # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
-        os: [macos-14]
-        architecture: [x64, arm64]
+        # we want the combination (macos-13, x64) + (macos-latest, arm64)
+        os: [macos-13, macos-latest]
+        architecture: [arm64, x64]
         compiler: [gcc]
+        exclude:
+          # macos-latest only works with arm64 architecture 
+          - os: macos-latest
+            architecture: x64
+          - os: macos-13
+            architecture: arm64
 
     steps:
     - name: Checkout repository
@@ -41,6 +49,7 @@ jobs:
       run: |
         VERSION_BQPD="1.0.0"
         VERSION_MUMPS="5.8.0"
+        VERSION_HIGHS="1.11.0"
         if [[ "${{matrix.architecture}}" == "x64" ]]; then
           PLATFORM="x86_64-apple-darwin"
         else
@@ -48,9 +57,12 @@ jobs:
         fi
         wget https://github.com/leyffer/BQPD_jll.jl/releases/download/BQPD-v${VERSION_BQPD}%2B0/BQPD.v${VERSION_BQPD}.$PLATFORM-libgfortran5.tar.gz
         wget https://github.com/amontoison/MUMPS_static_jll.jl/releases/download/MUMPS_static-v${VERSION_MUMPS}%2B0/MUMPS_static.v${VERSION_MUMPS}.$PLATFORM-libgfortran5.tar.gz
+        wget https://github.com/amontoison/HiGHS_static_jll.jl/releases/download/HiGHS_static-v${VERSION_HIGHS}%2B0/HiGHS_static.v${VERSION_HIGHS}.$PLATFORM-libgfortran5.tar.gz
         mkdir deps
+        mkdir deps/highs
         tar -xzvf BQPD.v${VERSION_BQPD}.$PLATFORM-libgfortran5.tar.gz -C deps
         tar -xzvf MUMPS_static.v${VERSION_MUMPS}.$PLATFORM-libgfortran5.tar.gz -C deps
+        tar -xzvf HiGHS_static.v${VERSION_HIGHS}.$PLATFORM-libgfortran5.tar.gz -C deps/highs
 
     - name: Install Fortran compiler
       uses: fortran-lang/setup-fortran@main
@@ -71,9 +83,12 @@ jobs:
                                                 -DMUMPS_COMMON_LIBRARY=${{github.workspace}}/deps/lib/libmumps_common.a \
                                                 -DMUMPS_PORD_LIBRARY=${{github.workspace}}/deps/lib/libpord.a \
                                                 -DMUMPS_MPISEQ_LIBRARY=${{github.workspace}}/deps/lib/libmpiseq.a \
+                                                -DHIGHS_DIR=${{github.workspace}}/deps/highs/lib/cmake/highs \
                                                 -DBLAS_LIBRARIES=${{github.workspace}}/deps/lib/libblas.a \
-                                                -DLAPACK_LIBRARIES=${{github.workspace}}/deps/lib/liblapack.a
+                                                -DLAPACK_LIBRARIES=${{github.workspace}}/deps/lib/liblapack.a \
+                                                -DBUILD_STATIC_LIBS=ON \
+                                                -DBUILD_SHARED_LIBS=ON .
 
     - name: Build
       # Build your program with the given configuration
-      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} -j4
+      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}
\ No newline at end of file
diff --git a/.github/workflows/build-msvc.yml b/.github/workflows/build-msvc.yml
index e5d9a0b08..12a82eb6a 100644
--- a/.github/workflows/build-msvc.yml
+++ b/.github/workflows/build-msvc.yml
@@ -43,6 +43,7 @@ jobs:
       run: |
         VERSION_BQPD="1.0.0"
         VERSION_MUMPS="5.8.0"
+        VERSION_HIGHS="1.11.0"
         if [[ "${{matrix.architecture}}" == "x64" ]]; then
           PLATFORM="x86_64-w64-mingw32"
         else
@@ -51,9 +52,11 @@ jobs:
         choco install wget
         wget https://github.com/leyffer/BQPD_jll.jl/releases/download/BQPD-v${VERSION_BQPD}%2B0/BQPD.v${VERSION_BQPD}.$PLATFORM-libgfortran5.tar.gz
         wget https://github.com/amontoison/MUMPS_static_jll.jl/releases/download/MUMPS_static-v${VERSION_MUMPS}%2B0/MUMPS_static.v${VERSION_MUMPS}.$PLATFORM-libgfortran5.tar.gz
+        wget https://github.com/amontoison/HiGHS_static_jll.jl/releases/download/HiGHS_static-v${VERSION_HIGHS}%2B0/HiGHS_static.v${VERSION_HIGHS}.$PLATFORM-libgfortran5.tar.gz
         mkdir deps
         tar -xzvf BQPD.v${VERSION_BQPD}.$PLATFORM-libgfortran5.tar.gz -C deps
         tar -xzvf MUMPS_static.v${VERSION_MUMPS}.$PLATFORM-libgfortran5.tar.gz -C deps
+        tar -xzvf HiGHS_static.v${VERSION_HIGHS}.$PLATFORM-libgfortran5.tar.gz -C deps
 
     - name: Install Fortran compiler
       uses: fortran-lang/setup-fortran@main
@@ -80,6 +83,7 @@ jobs:
                 -DMUMPS_MPISEQ_LIBRARY=${{github.workspace}}\deps\lib\libmpiseq.a ^
                 -DBLAS_LIBRARIES=${{github.workspace}}\deps\lib\libblas.a ^
                 -DLAPACK_LIBRARIES=${{github.workspace}}\deps\lib\liblapack.a ^
+                -DHIGHS_DIR=${{github.workspace}}\deps ^
                 -DBUILD_STATIC_LIBS=ON ^
                 -DBUILD_SHARED_LIBS=OFF .
         ) else (
diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 0dee53e60..c6370e251 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -27,9 +27,11 @@ jobs:
     # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
         os: [windows-latest]
         architecture: [x64]
+        compiler: [mingw]
 
     steps:
     - name: Checkout repository
@@ -40,13 +42,21 @@ jobs:
       run: |
         VERSION_BQPD="1.0.0"
         VERSION_MUMPS="5.8.0"
-        PLATFORM="x86_64-w64-mingw32"
+        VERSION_HIGHS="1.11.0"
+        if [[ "${{matrix.architecture}}" == "x64" ]]; then
+          PLATFORM="x86_64-w64-mingw32"
+        else
+          PLATFORM="i686-w64-mingw32"
+        fi
         choco install wget
         wget https://github.com/leyffer/BQPD_jll.jl/releases/download/BQPD-v${VERSION_BQPD}%2B0/BQPD.v${VERSION_BQPD}.$PLATFORM-libgfortran5.tar.gz
         wget https://github.com/amontoison/MUMPS_static_jll.jl/releases/download/MUMPS_static-v${VERSION_MUMPS}%2B0/MUMPS_static.v${VERSION_MUMPS}.$PLATFORM-libgfortran5.tar.gz
+        wget https://github.com/amontoison/HiGHS_static_jll.jl/releases/download/HiGHS_static-v${VERSION_HIGHS}%2B0/HiGHS_static.v${VERSION_HIGHS}.$PLATFORM-libgfortran5.tar.gz
         mkdir deps
+        mkdir deps/highs
         tar -xzvf BQPD.v${VERSION_BQPD}.$PLATFORM-libgfortran5.tar.gz -C deps
         tar -xzvf MUMPS_static.v${VERSION_MUMPS}.$PLATFORM-libgfortran5.tar.gz -C deps
+        tar -xzvf HiGHS_static.v${VERSION_HIGHS}.$PLATFORM-libgfortran5.tar.gz -C deps/highs
 
     - name: add MinGW64 directory to path
       run: echo "C:\tools\msys64\mingw64\bin" >> "$GITHUB_PATH"
@@ -66,7 +76,10 @@ jobs:
           -DMUMPS_PORD_LIBRARY=${{github.workspace}}\deps\lib\libpord.a ^
           -DMUMPS_MPISEQ_LIBRARY=${{github.workspace}}\deps\lib\libmpiseq.a ^
           -DBLAS_LIBRARIES=${{github.workspace}}\deps\lib\libblas.a ^
-          -DLAPACK_LIBRARIES=${{github.workspace}}\deps\lib\liblapack.a .
+          -DLAPACK_LIBRARIES=${{github.workspace}}\deps\lib\liblapack.a ^
+          -DHIGHS_DIR=${{github.workspace}}\deps\highs\lib\cmake\highs ^
+          -DBUILD_STATIC_LIBS=ON ^
+          -DBUILD_SHARED_LIBS=ON .
 
     - name: Build
       # Build your program with the given configuration
diff --git a/.github/workflows/unit-tests-linux.yml b/.github/workflows/unit-tests-linux.yml
index f5c774961..b9b957f96 100644
--- a/.github/workflows/unit-tests-linux.yml
+++ b/.github/workflows/unit-tests-linux.yml
@@ -1,6 +1,6 @@
 # This starter workflow is for a CMake project running on a single platform. There is a different starter workflow if you need cross-platform coverage.
 # See: https://github.com/actions/starter-workflows/blob/main/ci/cmake-multi-platform.yml
-name: Unit tests on Linux
+name: Unit tests on Ubuntu
 
 on:
   push:
@@ -33,21 +33,35 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - uses: Bacondish2023/setup-googletest@v1
-      with:
-        tag: v1.14.0
+    
+    - name: Install googletest
+      run: |
+        sudo apt-get install -y libgtest-dev cmake
+        mkdir -p $HOME/build
+        cd $HOME/build
+        sudo cmake /usr/src/googletest/googletest
+        sudo make
+        sudo cp lib/libgtest* /usr/lib/
+        cd ..
+        sudo rm -rf build
+        sudo mkdir /usr/local/lib/googletest
+        sudo ln -s /usr/lib/libgtest.a /usr/local/lib/googletest/libgtest.a
+        sudo ln -s /usr/lib/libgtest_main.a /usr/local/lib/googletest/libgtest_main.a
 
     - name: Download dependencies (BQPD and MUMPS_static)
       shell: bash
       run: |
         VERSION_BQPD="1.0.0"
         VERSION_MUMPS="5.8.0"
+        VERSION_HIGHS="1.11.0"
         PLATFORM="x86_64-linux-gnu"
         wget https://github.com/leyffer/BQPD_jll.jl/releases/download/BQPD-v${VERSION_BQPD}%2B0/BQPD.v${VERSION_BQPD}.$PLATFORM-libgfortran5.tar.gz
         wget https://github.com/amontoison/MUMPS_static_jll.jl/releases/download/MUMPS_static-v${VERSION_MUMPS}%2B0/MUMPS_static.v${VERSION_MUMPS}.$PLATFORM-libgfortran5.tar.gz
+        wget https://github.com/amontoison/HiGHS_static_jll.jl/releases/download/HiGHS_static-v${VERSION_HIGHS}%2B0/HiGHS_static.v${VERSION_HIGHS}.$PLATFORM-libgfortran5.tar.gz
         mkdir deps
         tar -xzvf BQPD.v${VERSION_BQPD}.$PLATFORM-libgfortran5.tar.gz -C deps
         tar -xzvf MUMPS_static.v${VERSION_MUMPS}.$PLATFORM-libgfortran5.tar.gz -C deps
+        tar -xzvf HiGHS_static.v${VERSION_HIGHS}.$PLATFORM-libgfortran5.tar.gz -C deps
 
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
@@ -64,8 +78,9 @@ jobs:
                                                 -DMUMPS_MPISEQ_LIBRARY=${{github.workspace}}/deps/lib/libmpiseq.a \
                                                 -DBLAS_LIBRARIES=${{github.workspace}}/deps/lib/libblas.a \
                                                 -DLAPACK_LIBRARIES=${{github.workspace}}/deps/lib/liblapack.a \
+                                                -DHIGHS_DIR=${{github.workspace}}/deps \
                                                 -DBUILD_STATIC_LIBS=ON \
-                                                -DBUILD_SHARED_LIBS=OFF .
+                                                -DBUILD_SHARED_LIBS=ON .
 
     - name: Build
       # Build your program with the given configuration
@@ -74,4 +89,4 @@ jobs:
     - name: Test
       working-directory: ${{github.workspace}}/build
       # Execute unit tests
-      run: ./run_unotest
+      run: ./run_unotest
\ No newline at end of file

From fe6239abfda3cfb9a798abc494825fda46bf48e3 Mon Sep 17 00:00:00 2001
From: Alexis Montoison <alexis.montoison@polymtl.ca>
Date: Thu, 31 Jul 2025 23:28:35 -0500
Subject: [PATCH 02/26] Put paths in quote on Windows

---
 .github/workflows/build-msvc.yml    | 22 +++++++++++-----------
 .github/workflows/build-windows.yml | 22 +++++++++++-----------
 2 files changed, 22 insertions(+), 22 deletions(-)

diff --git a/.github/workflows/build-msvc.yml b/.github/workflows/build-msvc.yml
index 12a82eb6a..73681f669 100644
--- a/.github/workflows/build-msvc.yml
+++ b/.github/workflows/build-msvc.yml
@@ -73,17 +73,17 @@ jobs:
                 -DCMAKE_C_COMPILER=cl ^
                 -DCMAKE_CXX_COMPILER=cl ^
                 -DCMAKE_Fortran_COMPILER=ifx ^
-                -DMUMPS_INCLUDE_DIR=${{github.workspace}}\deps\include ^
-                -DMETIS_INCLUDE_DIR=${{github.workspace}}\deps\include ^
-                -DBQPD=${{github.workspace}}\deps\lib\libbqpd.a ^
-                -DMETIS_LIBRARY=${{github.workspace}}\deps\lib\libmetis.a ^
-                -DMUMPS_LIBRARY=${{github.workspace}}\deps\lib\libdmumps.a ^
-                -DMUMPS_COMMON_LIBRARY=${{github.workspace}}\deps\lib\libmumps_common.a ^
-                -DMUMPS_PORD_LIBRARY=${{github.workspace}}\deps\lib\libpord.a ^
-                -DMUMPS_MPISEQ_LIBRARY=${{github.workspace}}\deps\lib\libmpiseq.a ^
-                -DBLAS_LIBRARIES=${{github.workspace}}\deps\lib\libblas.a ^
-                -DLAPACK_LIBRARIES=${{github.workspace}}\deps\lib\liblapack.a ^
-                -DHIGHS_DIR=${{github.workspace}}\deps ^
+                -DMUMPS_INCLUDE_DIR="${{github.workspace}}\deps\include" ^
+                -DMETIS_INCLUDE_DIR="${{github.workspace}}\deps\include" ^
+                -DBQPD="${{github.workspace}}\deps\lib\libbqpd.a" ^
+                -DMETIS_LIBRARY="${{github.workspace}}\deps\lib\libmetis.a" ^
+                -DMUMPS_LIBRARY="${{github.workspace}}\deps\lib\libdmumps.a" ^
+                -DMUMPS_COMMON_LIBRARY="${{github.workspace}}\deps\lib\libmumps_common.a" ^
+                -DMUMPS_PORD_LIBRARY="${{github.workspace}}\deps\lib\libpord.a" ^
+                -DMUMPS_MPISEQ_LIBRARY="${{github.workspace}}\deps\lib\libmpiseq.a" ^
+                -DBLAS_LIBRARIES="${{github.workspace}}\deps\lib\libblas.a" ^
+                -DLAPACK_LIBRARIES="${{github.workspace}}\deps\lib\liblapack.a" ^
+                -DHIGHS_DIR="${{github.workspace}}\deps" ^
                 -DBUILD_STATIC_LIBS=ON ^
                 -DBUILD_SHARED_LIBS=OFF .
         ) else (
diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index c6370e251..03cf1d091 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -67,17 +67,17 @@ jobs:
         cmake -G "MinGW Makefiles" ^
           -B ${{github.workspace}}\build ^
           -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} ^
-          -DMUMPS_INCLUDE_DIR=${{github.workspace}}\deps\include ^
-          -DMETIS_INCLUDE_DIR=${{github.workspace}}\deps\include ^
-          -DBQPD=${{github.workspace}}\deps\lib\libbqpd.a ^
-          -DMETIS_LIBRARY=${{github.workspace}}\deps\lib\libmetis.a ^
-          -DMUMPS_LIBRARY=${{github.workspace}}\deps\lib\libdmumps.a ^
-          -DMUMPS_COMMON_LIBRARY=${{github.workspace}}\deps\lib\libmumps_common.a ^
-          -DMUMPS_PORD_LIBRARY=${{github.workspace}}\deps\lib\libpord.a ^
-          -DMUMPS_MPISEQ_LIBRARY=${{github.workspace}}\deps\lib\libmpiseq.a ^
-          -DBLAS_LIBRARIES=${{github.workspace}}\deps\lib\libblas.a ^
-          -DLAPACK_LIBRARIES=${{github.workspace}}\deps\lib\liblapack.a ^
-          -DHIGHS_DIR=${{github.workspace}}\deps\highs\lib\cmake\highs ^
+          -DMUMPS_INCLUDE_DIR="${{github.workspace}}\deps\include" ^
+          -DMETIS_INCLUDE_DIR="${{github.workspace}}\deps\include" ^
+          -DBQPD="${{github.workspace}}\deps\lib\libbqpd.a" ^
+          -DMETIS_LIBRARY="${{github.workspace}}\deps\lib\libmetis.a" ^
+          -DMUMPS_LIBRARY="${{github.workspace}}\deps\lib\libdmumps.a" ^
+          -DMUMPS_COMMON_LIBRARY="${{github.workspace}}\deps\lib\libmumps_common.a" ^
+          -DMUMPS_PORD_LIBRARY="${{github.workspace}}\deps\lib\libpord.a" ^
+          -DMUMPS_MPISEQ_LIBRARY="${{github.workspace}}\deps\lib\libmpiseq.a" ^
+          -DBLAS_LIBRARIES="${{github.workspace}}\deps\lib\libblas.a" ^
+          -DLAPACK_LIBRARIES="${{github.workspace}}\deps\lib\liblapack.a" ^
+          -DHIGHS_DIR="${{github.workspace}}\deps\highs\lib\cmake\highs" ^
           -DBUILD_STATIC_LIBS=ON ^
           -DBUILD_SHARED_LIBS=ON .
 

From ac140b0fd2d7235fdbc6937caa267fb6b99beb85 Mon Sep 17 00:00:00 2001
From: Alexis Montoison <alexis.montoison@polymtl.ca>
Date: Thu, 31 Jul 2025 23:36:11 -0500
Subject: [PATCH 03/26] Put paths in quote on Windows

---
 .github/workflows/build-windows.yml | 32 ++++++++++++++---------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 03cf1d091..810c50cfd 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -62,23 +62,23 @@ jobs:
       run: echo "C:\tools\msys64\mingw64\bin" >> "$GITHUB_PATH"
 
     - name: Configure CMake
-      shell: cmd
+      shell: bash
       run: |
-        cmake -G "MinGW Makefiles" ^
-          -B ${{github.workspace}}\build ^
-          -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} ^
-          -DMUMPS_INCLUDE_DIR="${{github.workspace}}\deps\include" ^
-          -DMETIS_INCLUDE_DIR="${{github.workspace}}\deps\include" ^
-          -DBQPD="${{github.workspace}}\deps\lib\libbqpd.a" ^
-          -DMETIS_LIBRARY="${{github.workspace}}\deps\lib\libmetis.a" ^
-          -DMUMPS_LIBRARY="${{github.workspace}}\deps\lib\libdmumps.a" ^
-          -DMUMPS_COMMON_LIBRARY="${{github.workspace}}\deps\lib\libmumps_common.a" ^
-          -DMUMPS_PORD_LIBRARY="${{github.workspace}}\deps\lib\libpord.a" ^
-          -DMUMPS_MPISEQ_LIBRARY="${{github.workspace}}\deps\lib\libmpiseq.a" ^
-          -DBLAS_LIBRARIES="${{github.workspace}}\deps\lib\libblas.a" ^
-          -DLAPACK_LIBRARIES="${{github.workspace}}\deps\lib\liblapack.a" ^
-          -DHIGHS_DIR="${{github.workspace}}\deps\highs\lib\cmake\highs" ^
-          -DBUILD_STATIC_LIBS=ON ^
+        cmake -G "MinGW Makefiles" \
+          -B "${{github.workspace}}/build" \
+          -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} \
+          -DMUMPS_INCLUDE_DIR="${{github.workspace}}/deps/include" \
+          -DMETIS_INCLUDE_DIR="${{github.workspace}}/deps/include" \
+          -DBQPD="${{github.workspace}}/deps/lib/libbqpd.a" \
+          -DMETIS_LIBRARY="${{github.workspace}}/deps/lib/libmetis.a" \
+          -DMUMPS_LIBRARY="${{github.workspace}}/deps/lib/libdmumps.a" \
+          -DMUMPS_COMMON_LIBRARY="${{github.workspace}}/deps/lib/libmumps_common.a" \
+          -DMUMPS_PORD_LIBRARY="${{github.workspace}}/deps/lib/libpord.a" \
+          -DMUMPS_MPISEQ_LIBRARY="${{github.workspace}}/deps/lib/libmpiseq.a" \
+          -DBLAS_LIBRARIES="${{github.workspace}}/deps/lib/libblas.a" \
+          -DLAPACK_LIBRARIES="${{github.workspace}}/deps/lib/liblapack.a" \
+          -DHIGHS_DIR="${{github.workspace}}/deps/highs/lib/cmake/highs" \
+          -DBUILD_STATIC_LIBS=ON \
           -DBUILD_SHARED_LIBS=ON .
 
     - name: Build

From a201db001cd2f9d33d62b83c54faa585bdcb89e8 Mon Sep 17 00:00:00 2001
From: Alexis Montoison <alexis.montoison@polymtl.ca>
Date: Thu, 31 Jul 2025 23:44:30 -0500
Subject: [PATCH 04/26] Put paths in quote on Windows

---
 .github/workflows/build-windows.yml | 30 ++++++++++++++++-------------
 1 file changed, 17 insertions(+), 13 deletions(-)

diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 810c50cfd..3e64a6ef2 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -61,26 +61,30 @@ jobs:
     - name: add MinGW64 directory to path
       run: echo "C:\tools\msys64\mingw64\bin" >> "$GITHUB_PATH"
 
+    - name: add WORKSPACE directory to path
+      run: echo "WORKSPACE=D:/a/Uno/Uno" >> "$GITHUB_PATH"
+
     - name: Configure CMake
       shell: bash
       run: |
         cmake -G "MinGW Makefiles" \
-          -B "${{github.workspace}}/build" \
+          -B "${WORKSPACE}/build" \
           -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} \
-          -DMUMPS_INCLUDE_DIR="${{github.workspace}}/deps/include" \
-          -DMETIS_INCLUDE_DIR="${{github.workspace}}/deps/include" \
-          -DBQPD="${{github.workspace}}/deps/lib/libbqpd.a" \
-          -DMETIS_LIBRARY="${{github.workspace}}/deps/lib/libmetis.a" \
-          -DMUMPS_LIBRARY="${{github.workspace}}/deps/lib/libdmumps.a" \
-          -DMUMPS_COMMON_LIBRARY="${{github.workspace}}/deps/lib/libmumps_common.a" \
-          -DMUMPS_PORD_LIBRARY="${{github.workspace}}/deps/lib/libpord.a" \
-          -DMUMPS_MPISEQ_LIBRARY="${{github.workspace}}/deps/lib/libmpiseq.a" \
-          -DBLAS_LIBRARIES="${{github.workspace}}/deps/lib/libblas.a" \
-          -DLAPACK_LIBRARIES="${{github.workspace}}/deps/lib/liblapack.a" \
-          -DHIGHS_DIR="${{github.workspace}}/deps/highs/lib/cmake/highs" \
+          -DMUMPS_INCLUDE_DIR="${WORKSPACE}/deps/include" \
+          -DMETIS_INCLUDE_DIR="${WORKSPACE}/deps/include" \
+          -DBQPD="${WORKSPACE}/deps/lib/libbqpd.a" \
+          -DMETIS_LIBRARY="${WORKSPACE}/deps/lib/libmetis.a" \
+          -DMUMPS_LIBRARY="${WORKSPACE}/deps/lib/libdmumps.a" \
+          -DMUMPS_COMMON_LIBRARY="${WORKSPACE}/deps/lib/libmumps_common.a" \
+          -DMUMPS_PORD_LIBRARY="${WORKSPACE}/deps/lib/libpord.a" \
+          -DMUMPS_MPISEQ_LIBRARY="${WORKSPACE}/deps/lib/libmpiseq.a" \
+          -DBLAS_LIBRARIES="${WORKSPACE}/deps/lib/libblas.a" \
+          -DLAPACK_LIBRARIES="${WORKSPACE}/deps/lib/liblapack.a" \
+          -DHIGHS_DIR="${WORKSPACE}/deps/highs/lib/cmake/highs" \
           -DBUILD_STATIC_LIBS=ON \
           -DBUILD_SHARED_LIBS=ON .
 
     - name: Build
+      shell: bash
       # Build your program with the given configuration
-      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}
+      run: cmake --build ${WORKSPACE}/build --config ${{env.BUILD_TYPE}}

From 55dfdfb289204da9fe5bcf514c90b9ba8778eea1 Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Thu, 28 Aug 2025 10:56:56 +0200
Subject: [PATCH 05/26] Updated build-windows.yml

---
 .github/workflows/build-windows.yml | 38 +++++++++++++----------------
 1 file changed, 17 insertions(+), 21 deletions(-)

diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 3e64a6ef2..788598950 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -31,7 +31,6 @@ jobs:
       matrix:
         os: [windows-latest]
         architecture: [x64]
-        compiler: [mingw]
 
     steps:
     - name: Checkout repository
@@ -61,30 +60,27 @@ jobs:
     - name: add MinGW64 directory to path
       run: echo "C:\tools\msys64\mingw64\bin" >> "$GITHUB_PATH"
 
-    - name: add WORKSPACE directory to path
-      run: echo "WORKSPACE=D:/a/Uno/Uno" >> "$GITHUB_PATH"
-
     - name: Configure CMake
-      shell: bash
+      shell: cmd
       run: |
-        cmake -G "MinGW Makefiles" \
-          -B "${WORKSPACE}/build" \
-          -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} \
-          -DMUMPS_INCLUDE_DIR="${WORKSPACE}/deps/include" \
-          -DMETIS_INCLUDE_DIR="${WORKSPACE}/deps/include" \
-          -DBQPD="${WORKSPACE}/deps/lib/libbqpd.a" \
-          -DMETIS_LIBRARY="${WORKSPACE}/deps/lib/libmetis.a" \
-          -DMUMPS_LIBRARY="${WORKSPACE}/deps/lib/libdmumps.a" \
-          -DMUMPS_COMMON_LIBRARY="${WORKSPACE}/deps/lib/libmumps_common.a" \
-          -DMUMPS_PORD_LIBRARY="${WORKSPACE}/deps/lib/libpord.a" \
-          -DMUMPS_MPISEQ_LIBRARY="${WORKSPACE}/deps/lib/libmpiseq.a" \
-          -DBLAS_LIBRARIES="${WORKSPACE}/deps/lib/libblas.a" \
-          -DLAPACK_LIBRARIES="${WORKSPACE}/deps/lib/liblapack.a" \
-          -DHIGHS_DIR="${WORKSPACE}/deps/highs/lib/cmake/highs" \
-          -DBUILD_STATIC_LIBS=ON \
+        cmake -G "MinGW Makefiles" ^
+          -B "${{github.workspace}}\build" ^
+          -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} ^
+          -DMUMPS_INCLUDE_DIR="${{github.workspace}}\deps\include" ^
+          -DMETIS_INCLUDE_DIR="${{github.workspace}}\deps\include" ^
+          -DBQPD="${{github.workspace}}\deps\lib\libbqpd.a" ^
+          -DMETIS_LIBRARY="${{github.workspace}}\deps\lib\libmetis.a" ^
+          -DMUMPS_LIBRARY="${{github.workspace}}\deps\lib\libdmumps.a" ^
+          -DMUMPS_COMMON_LIBRARY="${{github.workspace}}\deps\lib\libmumps_common.a" ^
+          -DMUMPS_PORD_LIBRARY="${{github.workspace}}\deps\lib\libpord.a" ^
+          -DMUMPS_MPISEQ_LIBRARY="${{github.workspace}}\deps\lib\libmpiseq.a" ^
+          -DBLAS_LIBRARIES="${{github.workspace}}\deps\lib\libblas.a" ^
+          -DLAPACK_LIBRARIES="${{github.workspace}}\deps\lib\liblapack.a" ^
+          -DHIGHS_DIR="${{github.workspace}}\deps\highs\lib\cmake\highs" ^
+          -DBUILD_STATIC_LIBS=ON ^
           -DBUILD_SHARED_LIBS=ON .
 
     - name: Build
       shell: bash
       # Build your program with the given configuration
-      run: cmake --build ${WORKSPACE}/build --config ${{env.BUILD_TYPE}}
+      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}

From 850e0afc9615bd38ea0ad8e480d8ffafa18c5966 Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Thu, 28 Aug 2025 10:58:58 +0200
Subject: [PATCH 06/26] Removed ""

---
 .github/workflows/build-windows.yml | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 788598950..a315f975c 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -64,19 +64,19 @@ jobs:
       shell: cmd
       run: |
         cmake -G "MinGW Makefiles" ^
-          -B "${{github.workspace}}\build" ^
+          -B ${{github.workspace}}\build ^
           -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} ^
-          -DMUMPS_INCLUDE_DIR="${{github.workspace}}\deps\include" ^
-          -DMETIS_INCLUDE_DIR="${{github.workspace}}\deps\include" ^
-          -DBQPD="${{github.workspace}}\deps\lib\libbqpd.a" ^
-          -DMETIS_LIBRARY="${{github.workspace}}\deps\lib\libmetis.a" ^
-          -DMUMPS_LIBRARY="${{github.workspace}}\deps\lib\libdmumps.a" ^
-          -DMUMPS_COMMON_LIBRARY="${{github.workspace}}\deps\lib\libmumps_common.a" ^
-          -DMUMPS_PORD_LIBRARY="${{github.workspace}}\deps\lib\libpord.a" ^
-          -DMUMPS_MPISEQ_LIBRARY="${{github.workspace}}\deps\lib\libmpiseq.a" ^
-          -DBLAS_LIBRARIES="${{github.workspace}}\deps\lib\libblas.a" ^
-          -DLAPACK_LIBRARIES="${{github.workspace}}\deps\lib\liblapack.a" ^
-          -DHIGHS_DIR="${{github.workspace}}\deps\highs\lib\cmake\highs" ^
+          -DMUMPS_INCLUDE_DIR=${{github.workspace}}\deps\include ^
+          -DMETIS_INCLUDE_DIR=${{github.workspace}}\deps\include ^
+          -DBQPD=${{github.workspace}}\deps\lib\libbqpd.a ^
+          -DMETIS_LIBRARY=${{github.workspace}}\deps\lib\libmetis.a ^
+          -DMUMPS_LIBRARY=${{github.workspace}}\deps\lib\libdmumps.a ^
+          -DMUMPS_COMMON_LIBRARY=${{github.workspace}}\deps\lib\libmumps_common.a ^
+          -DMUMPS_PORD_LIBRARY=${{github.workspace}}\deps\lib\libpord.a ^
+          -DMUMPS_MPISEQ_LIBRARY=${{github.workspace}}\deps\lib\libmpiseq.a ^
+          -DBLAS_LIBRARIES=${{github.workspace}}\deps\lib\libblas.a ^
+          -DLAPACK_LIBRARIES=${{github.workspace}}\deps\lib\liblapack.a ^
+          -DHIGHS_DIR=${{github.workspace}}\deps\highs\lib\cmake\highs ^
           -DBUILD_STATIC_LIBS=ON ^
           -DBUILD_SHARED_LIBS=ON .
 

From aca90101cfc5c2d1fd24768759422862a55def60 Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Thu, 28 Aug 2025 11:01:27 +0200
Subject: [PATCH 07/26] Fixed build-windows.yml

---
 .github/workflows/build-windows.yml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index a315f975c..0aa926b38 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -81,6 +81,5 @@ jobs:
           -DBUILD_SHARED_LIBS=ON .
 
     - name: Build
-      shell: bash
       # Build your program with the given configuration
       run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}

From d3a9c338c8c0721cd4a01651f571eb59c21f4ebf Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Thu, 28 Aug 2025 11:05:53 +0200
Subject: [PATCH 08/26] Trying a different path for highs in build-macos.yml

---
 .github/workflows/build-macos.yml   | 13 +++----------
 .github/workflows/build-windows.yml |  2 +-
 2 files changed, 4 insertions(+), 11 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 2cd799813..c2348844e 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -29,16 +29,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # we want the combination (macos-13, x64) + (macos-latest, arm64)
-        os: [macos-13, macos-latest]
-        architecture: [arm64, x64]
+        os: [macos-13]
+        architecture: [x64]
         compiler: [gcc]
-        exclude:
-          # macos-latest only works with arm64 architecture 
-          - os: macos-latest
-            architecture: x64
-          - os: macos-13
-            architecture: arm64
 
     steps:
     - name: Checkout repository
@@ -83,7 +76,7 @@ jobs:
                                                 -DMUMPS_COMMON_LIBRARY=${{github.workspace}}/deps/lib/libmumps_common.a \
                                                 -DMUMPS_PORD_LIBRARY=${{github.workspace}}/deps/lib/libpord.a \
                                                 -DMUMPS_MPISEQ_LIBRARY=${{github.workspace}}/deps/lib/libmpiseq.a \
-                                                -DHIGHS_DIR=${{github.workspace}}/deps/highs/lib/cmake/highs \
+                                                -DHIGHS_DIR=${{github.workspace}}/deps/highs \
                                                 -DBLAS_LIBRARIES=${{github.workspace}}/deps/lib/libblas.a \
                                                 -DLAPACK_LIBRARIES=${{github.workspace}}/deps/lib/liblapack.a \
                                                 -DBUILD_STATIC_LIBS=ON \
diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 0aa926b38..de405cbfc 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -82,4 +82,4 @@ jobs:
 
     - name: Build
       # Build your program with the given configuration
-      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}
+      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} -j4

From 3bb46f748d9fcb7677ad4b291b85ec3a94bde7fb Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Thu, 28 Aug 2025 11:10:45 +0200
Subject: [PATCH 09/26] Fixed path to highs, temporarily removed blas and
 lapack

---
 .github/workflows/build-macos.yml | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index c2348844e..5692fac37 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -76,12 +76,10 @@ jobs:
                                                 -DMUMPS_COMMON_LIBRARY=${{github.workspace}}/deps/lib/libmumps_common.a \
                                                 -DMUMPS_PORD_LIBRARY=${{github.workspace}}/deps/lib/libpord.a \
                                                 -DMUMPS_MPISEQ_LIBRARY=${{github.workspace}}/deps/lib/libmpiseq.a \
-                                                -DHIGHS_DIR=${{github.workspace}}/deps/highs \
-                                                -DBLAS_LIBRARIES=${{github.workspace}}/deps/lib/libblas.a \
-                                                -DLAPACK_LIBRARIES=${{github.workspace}}/deps/lib/liblapack.a \
+                                                -DHIGHS_DIR=${{github.workspace}}/deps/highs/lib/cmake/highs \
                                                 -DBUILD_STATIC_LIBS=ON \
                                                 -DBUILD_SHARED_LIBS=ON .
 
     - name: Build
       # Build your program with the given configuration
-      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}
\ No newline at end of file
+      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} -j4
\ No newline at end of file

From e898b665c7c6a3279c4e5d67e1e1d59a57ce0fbb Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Thu, 28 Aug 2025 11:24:12 +0200
Subject: [PATCH 10/26] Fixed path in build-macos.yml and unit-tests-linux.yml,
 removed blas and lapack in build-windows.yml

---
 .github/workflows/build-macos.yml      | 2 ++
 .github/workflows/build-windows.yml    | 2 --
 .github/workflows/unit-tests-linux.yml | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 5692fac37..8871bfc9c 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -77,6 +77,8 @@ jobs:
                                                 -DMUMPS_PORD_LIBRARY=${{github.workspace}}/deps/lib/libpord.a \
                                                 -DMUMPS_MPISEQ_LIBRARY=${{github.workspace}}/deps/lib/libmpiseq.a \
                                                 -DHIGHS_DIR=${{github.workspace}}/deps/highs/lib/cmake/highs \
+                                                -DBLAS_LIBRARIES=${{github.workspace}}/deps/lib/libblas.a \
+                                                -DLAPACK_LIBRARIES=${{github.workspace}}/deps/lib/liblapack.a \
                                                 -DBUILD_STATIC_LIBS=ON \
                                                 -DBUILD_SHARED_LIBS=ON .
 
diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index de405cbfc..88d0f4865 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -74,8 +74,6 @@ jobs:
           -DMUMPS_COMMON_LIBRARY=${{github.workspace}}\deps\lib\libmumps_common.a ^
           -DMUMPS_PORD_LIBRARY=${{github.workspace}}\deps\lib\libpord.a ^
           -DMUMPS_MPISEQ_LIBRARY=${{github.workspace}}\deps\lib\libmpiseq.a ^
-          -DBLAS_LIBRARIES=${{github.workspace}}\deps\lib\libblas.a ^
-          -DLAPACK_LIBRARIES=${{github.workspace}}\deps\lib\liblapack.a ^
           -DHIGHS_DIR=${{github.workspace}}\deps\highs\lib\cmake\highs ^
           -DBUILD_STATIC_LIBS=ON ^
           -DBUILD_SHARED_LIBS=ON .
diff --git a/.github/workflows/unit-tests-linux.yml b/.github/workflows/unit-tests-linux.yml
index b9b957f96..ea4c6c83a 100644
--- a/.github/workflows/unit-tests-linux.yml
+++ b/.github/workflows/unit-tests-linux.yml
@@ -61,7 +61,7 @@ jobs:
         mkdir deps
         tar -xzvf BQPD.v${VERSION_BQPD}.$PLATFORM-libgfortran5.tar.gz -C deps
         tar -xzvf MUMPS_static.v${VERSION_MUMPS}.$PLATFORM-libgfortran5.tar.gz -C deps
-        tar -xzvf HiGHS_static.v${VERSION_HIGHS}.$PLATFORM-libgfortran5.tar.gz -C deps
+        tar -xzvf HiGHS_static.v${VERSION_HIGHS}.$PLATFORM-libgfortran5.tar.gz -C deps/highs
 
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
@@ -78,7 +78,7 @@ jobs:
                                                 -DMUMPS_MPISEQ_LIBRARY=${{github.workspace}}/deps/lib/libmpiseq.a \
                                                 -DBLAS_LIBRARIES=${{github.workspace}}/deps/lib/libblas.a \
                                                 -DLAPACK_LIBRARIES=${{github.workspace}}/deps/lib/liblapack.a \
-                                                -DHIGHS_DIR=${{github.workspace}}/deps \
+                                                -DHIGHS_DIR=${{github.workspace}}/deps/highs/lib/cmake/highs \
                                                 -DBUILD_STATIC_LIBS=ON \
                                                 -DBUILD_SHARED_LIBS=ON .
 

From ae9288eb1273b3be5c501921aa60d6e691c26980 Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Thu, 28 Aug 2025 11:25:50 +0200
Subject: [PATCH 11/26] Fixed unit-tests-linux.yml

---
 .github/workflows/unit-tests-linux.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/unit-tests-linux.yml b/.github/workflows/unit-tests-linux.yml
index ea4c6c83a..df6f06452 100644
--- a/.github/workflows/unit-tests-linux.yml
+++ b/.github/workflows/unit-tests-linux.yml
@@ -59,6 +59,7 @@ jobs:
         wget https://github.com/amontoison/MUMPS_static_jll.jl/releases/download/MUMPS_static-v${VERSION_MUMPS}%2B0/MUMPS_static.v${VERSION_MUMPS}.$PLATFORM-libgfortran5.tar.gz
         wget https://github.com/amontoison/HiGHS_static_jll.jl/releases/download/HiGHS_static-v${VERSION_HIGHS}%2B0/HiGHS_static.v${VERSION_HIGHS}.$PLATFORM-libgfortran5.tar.gz
         mkdir deps
+        mkdir deps/highs
         tar -xzvf BQPD.v${VERSION_BQPD}.$PLATFORM-libgfortran5.tar.gz -C deps
         tar -xzvf MUMPS_static.v${VERSION_MUMPS}.$PLATFORM-libgfortran5.tar.gz -C deps
         tar -xzvf HiGHS_static.v${VERSION_HIGHS}.$PLATFORM-libgfortran5.tar.gz -C deps/highs

From c52f0c4d0db7ebc574c61a42268536d80f026ad8 Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Thu, 28 Aug 2025 11:55:31 +0200
Subject: [PATCH 12/26] Replaced GCC with Clang in build-macos.yml

---
 .github/workflows/build-macos.yml      | 6 +++---
 .github/workflows/build-windows.yml    | 2 ++
 .github/workflows/unit-tests-linux.yml | 2 +-
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 8871bfc9c..4eadd918d 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -31,7 +31,7 @@ jobs:
       matrix:
         os: [macos-13]
         architecture: [x64]
-        compiler: [gcc]
+        compiler: [clang]
 
     steps:
     - name: Checkout repository
@@ -60,8 +60,8 @@ jobs:
     - name: Install Fortran compiler
       uses: fortran-lang/setup-fortran@main
       with:
-        compiler: 'gcc'
-        version: '13'
+        compiler: 'lfortran'
+        version: '0.45.0'
 
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 88d0f4865..8e3f8903f 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -75,6 +75,8 @@ jobs:
           -DMUMPS_PORD_LIBRARY=${{github.workspace}}\deps\lib\libpord.a ^
           -DMUMPS_MPISEQ_LIBRARY=${{github.workspace}}\deps\lib\libmpiseq.a ^
           -DHIGHS_DIR=${{github.workspace}}\deps\highs\lib\cmake\highs ^
+          -DBLAS_LIBRARIES=${{github.workspace}}\deps\lib\libblas.a ^
+          -DLAPACK_LIBRARIES=${{github.workspace}}\deps\lib\liblapack.a ^
           -DBUILD_STATIC_LIBS=ON ^
           -DBUILD_SHARED_LIBS=ON .
 
diff --git a/.github/workflows/unit-tests-linux.yml b/.github/workflows/unit-tests-linux.yml
index df6f06452..f0b32c4bf 100644
--- a/.github/workflows/unit-tests-linux.yml
+++ b/.github/workflows/unit-tests-linux.yml
@@ -85,7 +85,7 @@ jobs:
 
     - name: Build
       # Build your program with the given configuration
-      run: cmake --build ${{github.workspace}}/build --target run_unotest --config ${{env.BUILD_TYPE}}
+      run: cmake --build ${{github.workspace}}/build --target run_unotest --config ${{env.BUILD_TYPE}} -j4
 
     - name: Test
       working-directory: ${{github.workspace}}/build

From d4027a504529f11bcff7689ccc572e8e99f499f1 Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Thu, 28 Aug 2025 12:10:59 +0200
Subject: [PATCH 13/26] Reverted to GCC

---
 .github/workflows/build-macos.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 4eadd918d..8871bfc9c 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -31,7 +31,7 @@ jobs:
       matrix:
         os: [macos-13]
         architecture: [x64]
-        compiler: [clang]
+        compiler: [gcc]
 
     steps:
     - name: Checkout repository
@@ -60,8 +60,8 @@ jobs:
     - name: Install Fortran compiler
       uses: fortran-lang/setup-fortran@main
       with:
-        compiler: 'lfortran'
-        version: '0.45.0'
+        compiler: 'gcc'
+        version: '13'
 
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.

From 66124202e9add1e600915e7cb570fa653de29b5f Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Wed, 8 Oct 2025 10:40:37 +0200
Subject: [PATCH 14/26] Trying different path for HIGHS_DIR (had something
 similar when Sven visited)

---
 .github/workflows/build-macos.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 8871bfc9c..049a4a4e3 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -76,7 +76,7 @@ jobs:
                                                 -DMUMPS_COMMON_LIBRARY=${{github.workspace}}/deps/lib/libmumps_common.a \
                                                 -DMUMPS_PORD_LIBRARY=${{github.workspace}}/deps/lib/libpord.a \
                                                 -DMUMPS_MPISEQ_LIBRARY=${{github.workspace}}/deps/lib/libmpiseq.a \
-                                                -DHIGHS_DIR=${{github.workspace}}/deps/highs/lib/cmake/highs \
+                                                -DHIGHS_DIR=${{github.workspace}}/deps/highs/lib \
                                                 -DBLAS_LIBRARIES=${{github.workspace}}/deps/lib/libblas.a \
                                                 -DLAPACK_LIBRARIES=${{github.workspace}}/deps/lib/liblapack.a \
                                                 -DBUILD_STATIC_LIBS=ON \

From 1c00c615469ed46babb2883a042ab11d04b8118e Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Wed, 8 Oct 2025 10:48:36 +0200
Subject: [PATCH 15/26] Nope. Reverting

---
 .github/workflows/build-macos.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 049a4a4e3..8871bfc9c 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -76,7 +76,7 @@ jobs:
                                                 -DMUMPS_COMMON_LIBRARY=${{github.workspace}}/deps/lib/libmumps_common.a \
                                                 -DMUMPS_PORD_LIBRARY=${{github.workspace}}/deps/lib/libpord.a \
                                                 -DMUMPS_MPISEQ_LIBRARY=${{github.workspace}}/deps/lib/libmpiseq.a \
-                                                -DHIGHS_DIR=${{github.workspace}}/deps/highs/lib \
+                                                -DHIGHS_DIR=${{github.workspace}}/deps/highs/lib/cmake/highs \
                                                 -DBLAS_LIBRARIES=${{github.workspace}}/deps/lib/libblas.a \
                                                 -DLAPACK_LIBRARIES=${{github.workspace}}/deps/lib/liblapack.a \
                                                 -DBUILD_STATIC_LIBS=ON \

From d699e2c6674ab3e4f3a25a705e73b4c0def10800 Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Thu, 16 Oct 2025 19:59:27 +0200
Subject: [PATCH 16/26] build-macos.yml: trying on macOS arm64 with Clang

---
 .github/workflows/build-macos.yml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 8871bfc9c..7acf30ed3 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -29,9 +29,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-13]
-        architecture: [x64]
-        compiler: [gcc]
+        os: [macos-latest]
+        architecture: [arm64]
+        compiler: [clang]
 
     steps:
     - name: Checkout repository
@@ -84,4 +84,4 @@ jobs:
 
     - name: Build
       # Build your program with the given configuration
-      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} -j4
\ No newline at end of file
+      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} -j4

From bc4709872e07dc715fc502e0a013d17b0d7bec45 Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Thu, 16 Oct 2025 20:03:39 +0200
Subject: [PATCH 17/26] build-macos.yml: set Clang as C/C++ compiler

---
 .github/workflows/build-macos.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 7acf30ed3..62328eb14 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -68,6 +68,8 @@ jobs:
       # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
       run: |
         cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} \
+                                                -DCMAKE_C_COMPILER=clang \
+                                                -DCMAKE_CPP_COMPILER=clang++ \
                                                 -DMUMPS_INCLUDE_DIR=${{github.workspace}}/deps/include \
                                                 -DMETIS_INCLUDE_DIR=${{github.workspace}}/deps/include \
                                                 -DBQPD=${{github.workspace}}/deps/lib/libbqpd.a \

From 2608427f43cbcef03d40afb5f206e7f7bdbca6c4 Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Thu, 16 Oct 2025 20:07:00 +0200
Subject: [PATCH 18/26] build-macos.yml: fixed typo

---
 .github/workflows/build-macos.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 62328eb14..3eb1caab8 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -69,7 +69,7 @@ jobs:
       run: |
         cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} \
                                                 -DCMAKE_C_COMPILER=clang \
-                                                -DCMAKE_CPP_COMPILER=clang++ \
+                                                -DCMAKE_CXX_COMPILER=clang++ \
                                                 -DMUMPS_INCLUDE_DIR=${{github.workspace}}/deps/include \
                                                 -DMETIS_INCLUDE_DIR=${{github.workspace}}/deps/include \
                                                 -DBQPD=${{github.workspace}}/deps/lib/libbqpd.a \

From 403255772123ec8d8153342ccc220ff2510b0f2b Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Thu, 16 Oct 2025 20:10:32 +0200
Subject: [PATCH 19/26] build-macos.yml: trying without MUMPS

---
 .github/workflows/build-macos.yml | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 3eb1caab8..7b23726e3 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -41,7 +41,6 @@ jobs:
       shell: bash
       run: |
         VERSION_BQPD="1.0.0"
-        VERSION_MUMPS="5.8.0"
         VERSION_HIGHS="1.11.0"
         if [[ "${{matrix.architecture}}" == "x64" ]]; then
           PLATFORM="x86_64-apple-darwin"
@@ -49,12 +48,10 @@ jobs:
           PLATFORM="aarch64-apple-darwin"
         fi
         wget https://github.com/leyffer/BQPD_jll.jl/releases/download/BQPD-v${VERSION_BQPD}%2B0/BQPD.v${VERSION_BQPD}.$PLATFORM-libgfortran5.tar.gz
-        wget https://github.com/amontoison/MUMPS_static_jll.jl/releases/download/MUMPS_static-v${VERSION_MUMPS}%2B0/MUMPS_static.v${VERSION_MUMPS}.$PLATFORM-libgfortran5.tar.gz
         wget https://github.com/amontoison/HiGHS_static_jll.jl/releases/download/HiGHS_static-v${VERSION_HIGHS}%2B0/HiGHS_static.v${VERSION_HIGHS}.$PLATFORM-libgfortran5.tar.gz
         mkdir deps
         mkdir deps/highs
         tar -xzvf BQPD.v${VERSION_BQPD}.$PLATFORM-libgfortran5.tar.gz -C deps
-        tar -xzvf MUMPS_static.v${VERSION_MUMPS}.$PLATFORM-libgfortran5.tar.gz -C deps
         tar -xzvf HiGHS_static.v${VERSION_HIGHS}.$PLATFORM-libgfortran5.tar.gz -C deps/highs
 
     - name: Install Fortran compiler
@@ -70,17 +67,8 @@ jobs:
         cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} \
                                                 -DCMAKE_C_COMPILER=clang \
                                                 -DCMAKE_CXX_COMPILER=clang++ \
-                                                -DMUMPS_INCLUDE_DIR=${{github.workspace}}/deps/include \
-                                                -DMETIS_INCLUDE_DIR=${{github.workspace}}/deps/include \
                                                 -DBQPD=${{github.workspace}}/deps/lib/libbqpd.a \
-                                                -DMETIS_LIBRARY=${{github.workspace}}/deps/lib/libmetis.a \
-                                                -DMUMPS_LIBRARY=${{github.workspace}}/deps/lib/libdmumps.a \
-                                                -DMUMPS_COMMON_LIBRARY=${{github.workspace}}/deps/lib/libmumps_common.a \
-                                                -DMUMPS_PORD_LIBRARY=${{github.workspace}}/deps/lib/libpord.a \
-                                                -DMUMPS_MPISEQ_LIBRARY=${{github.workspace}}/deps/lib/libmpiseq.a \
                                                 -DHIGHS_DIR=${{github.workspace}}/deps/highs/lib/cmake/highs \
-                                                -DBLAS_LIBRARIES=${{github.workspace}}/deps/lib/libblas.a \
-                                                -DLAPACK_LIBRARIES=${{github.workspace}}/deps/lib/liblapack.a \
                                                 -DBUILD_STATIC_LIBS=ON \
                                                 -DBUILD_SHARED_LIBS=ON .
 

From 38584fa72d7c6c83e5fa9ab76924cc04aa46cd80 Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Fri, 17 Oct 2025 14:29:27 +0200
Subject: [PATCH 20/26] build-macos.yml: need macOS 14 for Fortran action

---
 .github/workflows/build-macos.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 7b23726e3..d8f607144 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -29,7 +29,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-latest]
+        os: [macos-14]
         architecture: [arm64]
         compiler: [clang]
 

From befc1404dd2e696e69dd743fd689e1d25bb474ad Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Fri, 17 Oct 2025 14:33:20 +0200
Subject: [PATCH 21/26] build-macos.yml: set explicit Fortran compiler

---
 .github/workflows/build-macos.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index d8f607144..654f703f8 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -67,6 +67,7 @@ jobs:
         cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} \
                                                 -DCMAKE_C_COMPILER=clang \
                                                 -DCMAKE_CXX_COMPILER=clang++ \
+                                                -DCMAKE_Fortran_COMPILER=fc \
                                                 -DBQPD=${{github.workspace}}/deps/lib/libbqpd.a \
                                                 -DHIGHS_DIR=${{github.workspace}}/deps/highs/lib/cmake/highs \
                                                 -DBUILD_STATIC_LIBS=ON \

From 412323d2696e675dba7a018ad48e2a632c137ea4 Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Fri, 17 Oct 2025 14:36:25 +0200
Subject: [PATCH 22/26] Trying lfortran

---
 .github/workflows/build-macos.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 654f703f8..708e7be71 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -57,8 +57,8 @@ jobs:
     - name: Install Fortran compiler
       uses: fortran-lang/setup-fortran@main
       with:
-        compiler: 'gcc'
-        version: '13'
+        compiler: 'lfortran'
+        version: '0.45.0'
 
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.

From ff9b17cc67f85e3cd18a2424c28bbaa83ed78306 Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Fri, 17 Oct 2025 14:39:49 +0200
Subject: [PATCH 23/26] Trying explicit lfortran command

---
 .github/workflows/build-macos.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 708e7be71..5be8a0e17 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -67,7 +67,7 @@ jobs:
         cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} \
                                                 -DCMAKE_C_COMPILER=clang \
                                                 -DCMAKE_CXX_COMPILER=clang++ \
-                                                -DCMAKE_Fortran_COMPILER=fc \
+                                                -DCMAKE_Fortran_COMPILER=lfortran \
                                                 -DBQPD=${{github.workspace}}/deps/lib/libbqpd.a \
                                                 -DHIGHS_DIR=${{github.workspace}}/deps/highs/lib/cmake/highs \
                                                 -DBUILD_STATIC_LIBS=ON \

From ecd6b483ba2b299f8030fa04fefefba546440aae Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Fri, 17 Oct 2025 14:44:19 +0200
Subject: [PATCH 24/26] Trying intel-classic (ifort)

---
 .github/workflows/build-macos.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 5be8a0e17..8573dfe27 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -57,8 +57,8 @@ jobs:
     - name: Install Fortran compiler
       uses: fortran-lang/setup-fortran@main
       with:
-        compiler: 'lfortran'
-        version: '0.45.0'
+        compiler: 'intel-classic'
+        version: '2021.10'
 
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
@@ -67,7 +67,7 @@ jobs:
         cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} \
                                                 -DCMAKE_C_COMPILER=clang \
                                                 -DCMAKE_CXX_COMPILER=clang++ \
-                                                -DCMAKE_Fortran_COMPILER=lfortran \
+                                                -DCMAKE_Fortran_COMPILER=ifort \
                                                 -DBQPD=${{github.workspace}}/deps/lib/libbqpd.a \
                                                 -DHIGHS_DIR=${{github.workspace}}/deps/highs/lib/cmake/highs \
                                                 -DBUILD_STATIC_LIBS=ON \

From fd152774da0272c62eab0a3e72491da3f2c57446 Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Fri, 17 Oct 2025 14:52:14 +0200
Subject: [PATCH 25/26] Trying with GCC 15......

---
 .github/workflows/build-macos.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 8573dfe27..749ba6b10 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -57,8 +57,8 @@ jobs:
     - name: Install Fortran compiler
       uses: fortran-lang/setup-fortran@main
       with:
-        compiler: 'intel-classic'
-        version: '2021.10'
+        compiler: 'gcc'
+        version: '15'
 
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
@@ -67,7 +67,7 @@ jobs:
         cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} \
                                                 -DCMAKE_C_COMPILER=clang \
                                                 -DCMAKE_CXX_COMPILER=clang++ \
-                                                -DCMAKE_Fortran_COMPILER=ifort \
+                                                -DCMAKE_Fortran_COMPILER=gfortran \
                                                 -DBQPD=${{github.workspace}}/deps/lib/libbqpd.a \
                                                 -DHIGHS_DIR=${{github.workspace}}/deps/highs/lib/cmake/highs \
                                                 -DBUILD_STATIC_LIBS=ON \

From f8eca9dfd053542ea00ee3c5888aac0cabc968f6 Mon Sep 17 00:00:00 2001
From: Charlie Vanaret <vanaret@zib.de>
Date: Fri, 17 Oct 2025 15:45:47 +0200
Subject: [PATCH 26/26] Removed BQPD

---
 .github/workflows/build-macos.yml | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 749ba6b10..96e488de2 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -40,26 +40,17 @@ jobs:
     - name: Download dependencies
       shell: bash
       run: |
-        VERSION_BQPD="1.0.0"
         VERSION_HIGHS="1.11.0"
         if [[ "${{matrix.architecture}}" == "x64" ]]; then
           PLATFORM="x86_64-apple-darwin"
         else
           PLATFORM="aarch64-apple-darwin"
         fi
-        wget https://github.com/leyffer/BQPD_jll.jl/releases/download/BQPD-v${VERSION_BQPD}%2B0/BQPD.v${VERSION_BQPD}.$PLATFORM-libgfortran5.tar.gz
         wget https://github.com/amontoison/HiGHS_static_jll.jl/releases/download/HiGHS_static-v${VERSION_HIGHS}%2B0/HiGHS_static.v${VERSION_HIGHS}.$PLATFORM-libgfortran5.tar.gz
         mkdir deps
         mkdir deps/highs
-        tar -xzvf BQPD.v${VERSION_BQPD}.$PLATFORM-libgfortran5.tar.gz -C deps
         tar -xzvf HiGHS_static.v${VERSION_HIGHS}.$PLATFORM-libgfortran5.tar.gz -C deps/highs
 
-    - name: Install Fortran compiler
-      uses: fortran-lang/setup-fortran@main
-      with:
-        compiler: 'gcc'
-        version: '15'
-
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
       # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
@@ -67,8 +58,6 @@ jobs:
         cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} \
                                                 -DCMAKE_C_COMPILER=clang \
                                                 -DCMAKE_CXX_COMPILER=clang++ \
-                                                -DCMAKE_Fortran_COMPILER=gfortran \
-                                                -DBQPD=${{github.workspace}}/deps/lib/libbqpd.a \
                                                 -DHIGHS_DIR=${{github.workspace}}/deps/highs/lib/cmake/highs \
                                                 -DBUILD_STATIC_LIBS=ON \
                                                 -DBUILD_SHARED_LIBS=ON .