diff --git a/.github/workflows/emulated.yml b/.github/workflows/emulated.yml
index b31ba33f..d660d636 100644
--- a/.github/workflows/emulated.yml
+++ b/.github/workflows/emulated.yml
@@ -1,113 +1,113 @@
-name: arpack-ng-emu
-on:
-  workflow_dispatch:
-  push:
-  pull_request:
-
-concurrency: ci-arch-emu-${{ github.ref }}
-
-jobs:
-
-  alpine:
-    runs-on: ubuntu-latest
-
-    defaults:
-      run:
-        # Use emulated shell as default
-        shell: alpine.sh {0}
-
-    strategy:
-      # Allow other runners in the matrix to continue if some fail
-      fail-fast: false
-
-      matrix:
-        # For available CPU architectures, see:
-        # https://github.com/marketplace/actions/setup-alpine-linux-environment
-        arch: [x86, aarch64, armv7, ppc64le, riscv64, s390x]
-
-    name: alpine (${{ matrix.arch }})
-
-    steps:
-      - name: checkout repository
-        uses: actions/checkout@v4
-
-      - name: install dependencies
-        uses: jirutka/setup-alpine@v1
-        with:
-          arch: ${{ matrix.arch }}
-          packages: >
-            bash
-            build-base
-            ccache
-            cmake
-            gfortran
-            eigen-dev
-            lapack-dev
-
-      - name: prepare ccache
-        # create key with human readable timestamp
-        # used in action/cache/restore and action/cache/save steps
-        id: ccache-prepare
-        run: |
-          echo "key=ccache:alpine:${{ matrix.arch }}:${{ github.ref }}:$(date +"%Y-%m-%d_%H-%M-%S"):${{ github.sha }}" >> $GITHUB_OUTPUT
-
-      - name: restore ccache
-        # setup the GitHub cache used to maintain the ccache from one job to the next
-        uses: actions/cache/restore@v4
-        with:
-          # location of the ccache of the chroot in the root file system
-          path: /home/runner/rootfs/alpine-latest-${{ matrix.arch }}/home/runner/.ccache
-          key: ${{ steps.ccache-prepare.outputs.key }}
-          # Prefer caches from the same branch. Fall back to caches from the default branch.
-          restore-keys: |
-            ccache:alpine:${{ matrix.arch }}:${{ github.ref }}
-            ccache:alpine:${{ matrix.arch }}
-
-      - name: configure ccache
-        env:
-          CCACHE_MAX: ${{ matrix.ccache-max }}
-        run: |
-          test -d ~/.ccache || mkdir ~/.ccache
-          echo "max_size = 20M" >> ~/.ccache/ccache.conf
-          echo "compression = true" >> ~/.ccache/ccache.conf
-          ccache -s
-          which ccache
-
-      - name: configure
-        run: |
-          echo "gcc --version"
-          gcc --version
-          echo "gcc -dumpmachine"
-          gcc -dumpmachine
-          echo " "
-          mkdir -p ${GITHUB_WORKSPACE}/build && cd ${GITHUB_WORKSPACE}/build
-          cmake \
-            -DEXAMPLES=ON \
-            -DMPI=OFF \
-            -DICB=ON \
-            -DEIGEN=ON \
-            -DCMAKE_C_COMPILER_LAUNCHER="ccache" \
-            -DCMAKE_CXX_COMPILER_LAUNCHER="ccache" \
-            ..
-
-      - name: build
-        run: |
-          cd ${GITHUB_WORKSPACE}/build
-          cmake --build .
-
-      - name: ccache status
-        continue-on-error: true
-        run: ccache -s
-
-      - name: save ccache
-        # Save the cache after we are done (successfully) building
-        # This helps to retain the ccache even if the subsequent steps are failing.
-        uses: actions/cache/save@v4
-        with:
-          path: /home/runner/rootfs/alpine-latest-${{ matrix.arch }}/home/runner/.ccache
-          key: ${{ steps.ccache-prepare.outputs.key }}
-
-      - name: test
-        run: |
-          cd ${GITHUB_WORKSPACE}/build
-          ctest . || ctest . --rerun-failed --output-on-failure
+#name: arpack-ng-emu
+#on:
+#  workflow_dispatch:
+#  push:
+#  pull_request:
+#
+#concurrency: ci-arch-emu-${{ github.ref }}
+#
+#jobs:
+#
+#  alpine:
+#    runs-on: ubuntu-latest
+#
+#    defaults:
+#      run:
+#        # Use emulated shell as default
+#        shell: alpine.sh {0}
+#
+#    strategy:
+#      # Allow other runners in the matrix to continue if some fail
+#      fail-fast: false
+#
+#      matrix:
+#        # For available CPU architectures, see:
+#        # https://github.com/marketplace/actions/setup-alpine-linux-environment
+#        arch: [x86, aarch64, armv7, ppc64le, riscv64, s390x]
+#
+#    name: alpine (${{ matrix.arch }})
+#
+#    steps:
+#      - name: checkout repository
+#        uses: actions/checkout@v4
+#
+#      - name: install dependencies
+#        uses: jirutka/setup-alpine@v1
+#        with:
+#          arch: ${{ matrix.arch }}
+#          packages: >
+#            bash
+#            build-base
+#            ccache
+#            cmake
+#            gfortran
+#            eigen-dev
+#            lapack-dev
+#
+#      - name: prepare ccache
+#        # create key with human readable timestamp
+#        # used in action/cache/restore and action/cache/save steps
+#        id: ccache-prepare
+#        run: |
+#          echo "key=ccache:alpine:${{ matrix.arch }}:${{ github.ref }}:$(date +"%Y-%m-%d_%H-%M-%S"):${{ github.sha }}" >> $GITHUB_OUTPUT
+#
+#      - name: restore ccache
+#        # setup the GitHub cache used to maintain the ccache from one job to the next
+#        uses: actions/cache/restore@v4
+#        with:
+#          # location of the ccache of the chroot in the root file system
+#          path: /home/runner/rootfs/alpine-latest-${{ matrix.arch }}/home/runner/.ccache
+#          key: ${{ steps.ccache-prepare.outputs.key }}
+#          # Prefer caches from the same branch. Fall back to caches from the default branch.
+#          restore-keys: |
+#            ccache:alpine:${{ matrix.arch }}:${{ github.ref }}
+#            ccache:alpine:${{ matrix.arch }}
+#
+#      - name: configure ccache
+#        env:
+#          CCACHE_MAX: ${{ matrix.ccache-max }}
+#        run: |
+#          test -d ~/.ccache || mkdir ~/.ccache
+#          echo "max_size = 20M" >> ~/.ccache/ccache.conf
+#          echo "compression = true" >> ~/.ccache/ccache.conf
+#          ccache -s
+#          which ccache
+#
+#      - name: configure
+#        run: |
+#          echo "gcc --version"
+#          gcc --version
+#          echo "gcc -dumpmachine"
+#          gcc -dumpmachine
+#          echo " "
+#          mkdir -p ${GITHUB_WORKSPACE}/build && cd ${GITHUB_WORKSPACE}/build
+#          cmake \
+#            -DEXAMPLES=ON \
+#            -DMPI=OFF \
+#            -DICB=ON \
+#            -DEIGEN=ON \
+#            -DCMAKE_C_COMPILER_LAUNCHER="ccache" \
+#            -DCMAKE_CXX_COMPILER_LAUNCHER="ccache" \
+#            ..
+#
+#      - name: build
+#        run: |
+#          cd ${GITHUB_WORKSPACE}/build
+#          cmake --build .
+#
+#      - name: ccache status
+#        continue-on-error: true
+#        run: ccache -s
+#
+#      - name: save ccache
+#        # Save the cache after we are done (successfully) building
+#        # This helps to retain the ccache even if the subsequent steps are failing.
+#        uses: actions/cache/save@v4
+#        with:
+#          path: /home/runner/rootfs/alpine-latest-${{ matrix.arch }}/home/runner/.ccache
+#          key: ${{ steps.ccache-prepare.outputs.key }}
+#
+#      - name: test
+#        run: |
+#          cd ${GITHUB_WORKSPACE}/build
+#          ctest . || ctest . --rerun-failed --output-on-failure
diff --git a/.github/workflows/jobs.yml b/.github/workflows/jobs.yml
index ee9f1a6f..0f42d7e2 100644
--- a/.github/workflows/jobs.yml
+++ b/.github/workflows/jobs.yml
@@ -1,55 +1,55 @@
 name: arpack-ng
 on: [push, pull_request]
 jobs:
-  ubuntu_latest_cmake:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Clone and check out repository code
-        uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Update OS
-        run: sudo apt-get update
-      - name: Install apt-get dependencies
-        run: sudo apt-get install -y gfortran gcc g++ openmpi-bin libopenmpi-dev libblas-dev liblapack-dev libeigen3-dev cmake
-      - name: Run job
-        run: |
-          mkdir build
-          cd build
-          cmake -DEXAMPLES=ON -DMPI=ON -DICB=ON -DEIGEN=ON ..
-          make all
-          CTEST_OUTPUT_ON_FAILURE=1 make test
-          make package_source
-  ubuntu_latest_cmake_install:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Clone and check out repository code
-        uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Update OS
-        run: sudo apt-get update
-      - name: Install apt-get dependencies
-        run: sudo apt-get install -y gfortran gcc g++ openmpi-bin libopenmpi-dev libblas-dev liblapack-dev libeigen3-dev cmake
-      - name: Run job
-        run: |
-          mkdir build
-          cd build
-          cmake ..
-          bash ./tstCMakeInstall.sh
-          bash ./tstCMakeInstall.sh 64-
-          bash ./tstCMakeInstall.sh   -ILP64
-          bash ./tstCMakeInstall.sh 64-ILP64
+# ubuntu_latest_cmake:
+#   runs-on: ubuntu-latest
+#   steps:
+#     - name: Clone and check out repository code
+#       uses: actions/checkout@v2
+#       with:
+#         fetch-depth: 0
+#         ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
+#         repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
+#     - name: Check commit
+#       run: |
+#         git log -1
+#     - name: Update OS
+#       run: sudo apt-get update
+#     - name: Install apt-get dependencies
+#       run: sudo apt-get install -y gfortran gcc g++ openmpi-bin libopenmpi-dev libblas-dev liblapack-dev libeigen3-dev cmake
+#     - name: Run job
+#       run: |
+#         mkdir build
+#         cd build
+#         cmake -DEXAMPLES=ON -DMPI=ON -DICB=ON -DEIGEN=ON ..
+#         make all
+#         CTEST_OUTPUT_ON_FAILURE=1 make test
+#         make package_source
+# ubuntu_latest_cmake_install:
+#   runs-on: ubuntu-latest
+#   steps:
+#     - name: Clone and check out repository code
+#       uses: actions/checkout@v2
+#       with:
+#         fetch-depth: 0
+#         ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
+#         repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
+#     - name: Check commit
+#       run: |
+#         git log -1
+#     - name: Update OS
+#       run: sudo apt-get update
+#     - name: Install apt-get dependencies
+#       run: sudo apt-get install -y gfortran gcc g++ openmpi-bin libopenmpi-dev libblas-dev liblapack-dev libeigen3-dev cmake
+#     - name: Run job
+#       run: |
+#         mkdir build
+#         cd build
+#         cmake ..
+#         bash ./tstCMakeInstall.sh
+#         bash ./tstCMakeInstall.sh 64-
+#         bash ./tstCMakeInstall.sh   -ILP64
+#         bash ./tstCMakeInstall.sh 64-ILP64
   ubuntu_latest_autotools:
     runs-on: ubuntu-latest
     steps:
@@ -72,282 +72,286 @@ jobs:
           ./configure --enable-mpi --enable-icb --enable-eigen
           make all
           make check
-          make distcheck
-  ubuntu_latest_autotools_install:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Clone and check out repository code
-        uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Update OS
-        run: sudo apt-get update
-      - name: Install apt-get dependencies
-        run: sudo apt-get install -y gfortran gcc g++ openmpi-bin libopenmpi-dev libblas-dev liblapack-dev libeigen3-dev automake autoconf pkg-config libtool
-      - name: Run job
-        run: |
-          ./bootstrap
-          ./configure
-          bash ./tstAutotoolsInstall.sh
-          bash ./tstAutotoolsInstall.sh 64-
-          bash ./tstAutotoolsInstall.sh   -ILP64
-          bash ./tstAutotoolsInstall.sh 64-ILP64
-  ubuntu_latest_cmake_python:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Clone and check out repository code
-        uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Update OS
-        run: sudo apt-get update
-      - name: Install apt-get dependencies
-        run: sudo apt-get install -y gfortran gcc g++ openmpi-bin libopenmpi-dev libblas-dev liblapack-dev cmake libeigen3-dev
-      - name: Install python dependencies
-        run: sudo apt-get -y install python3-minimal python3-pip python3-numpy
-      - name: Build boost-python for python3 (not provided by apt-cache)
-        run : |
-          sudo apt-get -y install wget
-          wget https://sourceforge.net/projects/boost/files/boost/1.79.0/boost_1_79_0.tar.gz
-          tar -xf boost_1_79_0.tar.gz
-          cd boost_1_79_0
-          ./bootstrap.sh --with-libraries=python --with-python=/usr/bin/python3 --with-toolset=gcc
-          sudo ./b2 toolset=gcc install
-          sudo apt-get install locate
-          sudo updatedb
-      - name: Run job
-        run: |
-          mkdir build
-          cd build
-          cmake -DEXAMPLES=ON -DMPI=ON -DICB=ON -DEIGEN=ON -DPYTHON3=ON ..
-          make all
-          CTEST_OUTPUT_ON_FAILURE=1 make test
-  ubuntu_latest_autotools_ilp64:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Clone and check out repository code
-        uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Update OS
-        run: sudo apt-get update
-      - name: Install apt-get dependencies
-        run: sudo apt-get install -y gfortran gcc g++ openmpi-bin libopenmpi-dev libblas-dev liblapack-dev automake autoconf pkg-config libtool libeigen3-dev
-      - name: Install Intel MKL (ILP64 blas/lapack)
-        run: echo yes | sudo apt-get -y install intel-mkl libmkl-dev
-      - name: Run job
-        run: |
-          ./bootstrap
-          ./configure --enable-icb --with-blas=mkl_gf_ilp64 --with-lapack=mkl_gf_ilp64
-          make all
-          make check
-        env:
-          FFLAGS: "-DMKL_ILP64 -I/usr/include/mkl"
-          FCFLAGS: "-DMKL_ILP64 -I/usr/include/mkl"
-          LIBS: "-Wl,--no-as-needed -L/usr/lib/x86_64-linux-gnu -lmkl_sequential -lmkl_core -lpthread -lm -ldl"
-          INTERFACE64: "1"
-  macos_latest_cmake:
-    runs-on: macos-latest
-    steps:
-      - name: Clone and check out repository code
-        uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Install brew dependencies
-        run: |
-          brew reinstall gcc # brings gfortran on path
-          brew install cmake mpich eigen
-      - name: Run job
-        run: |
-          mkdir -p build
-          cd build
-          export FC=mpif90 # Uses gfortran.
-          export FFLAGS="-ff2c -fno-second-underscore"
-          export CC=mpicc # Uses clang.
-          export CFLAGS="-Qunused-arguments"
-          export CXX=mpic++ # Uses clang++.
-          export CXXFLAGS="-Qunused-arguments"
-          cmake -DBLA_VENDOR=Apple -DEXAMPLES=ON -DICB=ON -DEIGEN=ON -DMPI=ON ..
-          make all
-          CTEST_OUTPUT_ON_FAILURE=1 make test
-  macos_latest_cmake_python:
-    runs-on: macos-latest
-    steps:
-      - name: Clone and check out repository code
-        uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Install brew dependencies
-        run: |
-          # Unlink and re-link to prevent errors when github mac runner images
-          # install python outside of brew, for example:
-          # https://github.com/orgs/Homebrew/discussions/3895
-          # https://github.com/actions/setup-python/issues/577
-          # https://github.com/actions/runner-images/issues/6459
-          # https://github.com/actions/runner-images/issues/6507
-          # https://github.com/actions/runner-images/issues/2322
-          brew list -1 | grep python | while read formula; do brew unlink $formula; brew link --overwrite $formula; done
-          brew reinstall gcc # brings gfortran on path
-          brew install cmake eigen boost-python3 python3 numpy
-      - name: Run job
-        run: |
-          mkdir -p build
-          cd build
-          export FC=gfortran
-          export FFLAGS="-ff2c -fno-second-underscore"
-          export CC=clang
-          export CFLAGS="-Qunused-arguments"
-          export CXX=clang++
-          export CXXFLAGS="-Qunused-arguments"
-          cmake -DBLA_VENDOR=Apple -DEXAMPLES=ON -DICB=ON -DEIGEN=ON -DPYTHON3=ON ..
-          make all
-          CTEST_OUTPUT_ON_FAILURE=1 make test
-  macos_latest_autotools:
-    runs-on: macos-latest
-    steps:
-      - name: Clone and check out repository code
-        uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Install brew dependencies
-        run: |
-          brew reinstall gcc # brings gfortran on path
-          brew install autoconf automake libtool pkg-config mpich eigen
-      - name: Run job
-        run: |
-          ./bootstrap
-          LIBS="-framework Accelerate" FFLAGS="-ff2c -fno-second-underscore" FCFLAGS="-ff2c -fno-second-underscore" \
-            ./configure --enable-icb --enable-eigen --enable-mpi
-          make all
-          make check
-  windows_latest_cmake:
-    runs-on: windows-latest
-    name: MinGW-w64 ${{ matrix.msystem }} INTERFACE64=${{ matrix.int64 }}/MPI=${{ matrix.mpi }}
-    strategy:
-      fail-fast: false
-      matrix:
-        msystem: [UCRT64, CLANG64]
-        int64: [ON, OFF]
-        mpi: [ON, OFF]
-        exclude:
-          - int64: ON
-            mpi: ON
-    defaults:
-      run:
-        # Use MSYS2 as default shell
-        shell: msys2 {0}
-    steps:
-      - name: Install MSYS2 build environment
-        uses: msys2/setup-msys2@v2
-        with:
-          update: true
-          msystem: ${{ matrix.msystem }}
-          install: >-
-            base-devel
-            git
-          pacboy: >-
-            cmake:p
-            ninja:p
-            cc:p
-            fc:p
-            eigen3:p
-      - name: Install OpenBLAS and MS-MPI from MSYS2
-        run: |
-          if [[ ${{ matrix.int64 }} != ON ]]; then
-            pacboy -S openblas:p --noconfirm
-          else
-            pacboy -S openblas64:p --noconfirm
-          fi
-          if [[ ${{ matrix.mpi }} = ON ]]; then
-            # This installs only the link library.
-            # The actual library will be installed in the next step.
-            pacboy -S msmpi:p --noconfirm
-          fi
-      - name: Install MS-MPI (for mpiexec)
-        uses: mpi4py/setup-mpi@v1
-      - name: Clone and check out repository code
-        uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Run job
-        run: |
-          mkdir -p build && cd build
-          echo "::group::Configure"
-          if [[ ${{ matrix.int64 }} == ON ]]; then
-            _blas_lib_flag="-DBLAS_LIBRARIES=openblas_64"
-          fi
-          cmake \
-            -GNinja \
-            -DICB=ON \
-            -DEIGEN=ON \
-            -DEXAMPLES=ON \
-            -DMPI=${{ matrix.mpi }} \
-            -DINTERFACE64=${{ matrix.int64 }} \
-            ${_blas_lib_flag} \
-            ..
-          echo "::endgroup::"
-          echo "::group::Build"
-          cmake --build . -v
-          echo "::endgroup::"
-      - name: Run tests
-        id: run-ctest
-        run: |
-          if [[ ${{ matrix.mpi }} == ON ]]; then
-            export PATH="/c/Program Files/Microsoft MPI/Bin":$PATH # add mpiexec to msys2 path
-          fi
-          export PATH="${GITHUB_WORKSPACE}/build":$PATH # add libarpack.dll to msys2 path for tests that run in different directory
-          cd build
-          ctest
-      - name: Re-run tests
-        if: always() && (steps.run-ctest.outcome == 'failure')
-        timeout-minutes: 60
+      - name: Debug job
         run: |
-          if [[ ${{ matrix.mpi }} == ON ]]; then
-            export PATH="/c/Program Files/Microsoft MPI/Bin":$PATH # add mpiexec to msys2 path
-          fi
-          export PATH="${GITHUB_WORKSPACE}/build":$PATH # add libarpack.dll to msys2 path for tests that run in different directory
-          cd build
-          echo "::group::Re-run ctest"
-          ctest --rerun-failed --output-on-failure || true
-          echo "::endgroup::"
-          echo "::group::Log from these tests"
-          [ ! -f Testing/Temporary/LastTest.log ] || cat Testing/Temporary/LastTest.log
-          echo "::endgroup::"
-          echo "::group::Content of arpackmm.run.log"
-          [ ! -f EXAMPLES/MATRIX_MARKET/arpackmm.run.log ] || cat EXAMPLES/MATRIX_MARKET/arpackmm.run.log
-          echo "::endgroup::"
+          cat ./EXAMPLES/MATRIX_MARKET/arpackmm.run.log
+          cat ./EXAMPLES/MATRIX_MARKET/test-suite.log
+#         make distcheck
+# ubuntu_latest_autotools_install:
+#   runs-on: ubuntu-latest
+#   steps:
+#     - name: Clone and check out repository code
+#       uses: actions/checkout@v2
+#       with:
+#         fetch-depth: 0
+#         ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
+#         repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
+#     - name: Check commit
+#       run: |
+#         git log -1
+#     - name: Update OS
+#       run: sudo apt-get update
+#     - name: Install apt-get dependencies
+#       run: sudo apt-get install -y gfortran gcc g++ openmpi-bin libopenmpi-dev libblas-dev liblapack-dev libeigen3-dev automake autoconf pkg-config libtool
+#     - name: Run job
+#       run: |
+#         ./bootstrap
+#         ./configure
+#         bash ./tstAutotoolsInstall.sh
+#         bash ./tstAutotoolsInstall.sh 64-
+#         bash ./tstAutotoolsInstall.sh   -ILP64
+#         bash ./tstAutotoolsInstall.sh 64-ILP64
+# ubuntu_latest_cmake_python:
+#   runs-on: ubuntu-latest
+#   steps:
+#     - name: Clone and check out repository code
+#       uses: actions/checkout@v2
+#       with:
+#         fetch-depth: 0
+#         ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
+#         repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
+#     - name: Check commit
+#       run: |
+#         git log -1
+#     - name: Update OS
+#       run: sudo apt-get update
+#     - name: Install apt-get dependencies
+#       run: sudo apt-get install -y gfortran gcc g++ openmpi-bin libopenmpi-dev libblas-dev liblapack-dev cmake libeigen3-dev
+#     - name: Install python dependencies
+#       run: sudo apt-get -y install python3-minimal python3-pip python3-numpy
+#     - name: Build boost-python for python3 (not provided by apt-cache)
+#       run : |
+#         sudo apt-get -y install wget
+#         wget https://sourceforge.net/projects/boost/files/boost/1.79.0/boost_1_79_0.tar.gz
+#         tar -xf boost_1_79_0.tar.gz
+#         cd boost_1_79_0
+#         ./bootstrap.sh --with-libraries=python --with-python=/usr/bin/python3 --with-toolset=gcc
+#         sudo ./b2 toolset=gcc install
+#         sudo apt-get install locate
+#         sudo updatedb
+#     - name: Run job
+#       run: |
+#         mkdir build
+#         cd build
+#         cmake -DEXAMPLES=ON -DMPI=ON -DICB=ON -DEIGEN=ON -DPYTHON3=ON ..
+#         make all
+#         CTEST_OUTPUT_ON_FAILURE=1 make test
+# ubuntu_latest_autotools_ilp64:
+#   runs-on: ubuntu-latest
+#   steps:
+#     - name: Clone and check out repository code
+#       uses: actions/checkout@v2
+#       with:
+#         fetch-depth: 0
+#         ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
+#         repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
+#     - name: Check commit
+#       run: |
+#         git log -1
+#     - name: Update OS
+#       run: sudo apt-get update
+#     - name: Install apt-get dependencies
+#       run: sudo apt-get install -y gfortran gcc g++ openmpi-bin libopenmpi-dev libblas-dev liblapack-dev automake autoconf pkg-config libtool libeigen3-dev
+#     - name: Install Intel MKL (ILP64 blas/lapack)
+#       run: echo yes | sudo apt-get -y install intel-mkl libmkl-dev
+#     - name: Run job
+#       run: |
+#         ./bootstrap
+#         ./configure --enable-icb --with-blas=mkl_gf_ilp64 --with-lapack=mkl_gf_ilp64
+#         make all
+#         make check
+#       env:
+#         FFLAGS: "-DMKL_ILP64 -I/usr/include/mkl"
+#         FCFLAGS: "-DMKL_ILP64 -I/usr/include/mkl"
+#         LIBS: "-Wl,--no-as-needed -L/usr/lib/x86_64-linux-gnu -lmkl_sequential -lmkl_core -lpthread -lm -ldl"
+#         INTERFACE64: "1"
+# macos_latest_cmake:
+#   runs-on: macos-latest
+#   steps:
+#     - name: Clone and check out repository code
+#       uses: actions/checkout@v2
+#       with:
+#         fetch-depth: 0
+#         ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
+#         repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
+#     - name: Check commit
+#       run: |
+#         git log -1
+#     - name: Install brew dependencies
+#       run: |
+#         brew reinstall gcc # brings gfortran on path
+#         brew install cmake mpich eigen
+#     - name: Run job
+#       run: |
+#         mkdir -p build
+#         cd build
+#         export FC=mpif90 # Uses gfortran.
+#         export FFLAGS="-ff2c -fno-second-underscore"
+#         export CC=mpicc # Uses clang.
+#         export CFLAGS="-Qunused-arguments"
+#         export CXX=mpic++ # Uses clang++.
+#         export CXXFLAGS="-Qunused-arguments"
+#         cmake -DBLA_VENDOR=Apple -DEXAMPLES=ON -DICB=ON -DEIGEN=ON -DMPI=ON ..
+#         make all
+#         CTEST_OUTPUT_ON_FAILURE=1 make test
+# macos_latest_cmake_python:
+#   runs-on: macos-latest
+#   steps:
+#     - name: Clone and check out repository code
+#       uses: actions/checkout@v2
+#       with:
+#         fetch-depth: 0
+#         ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
+#         repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
+#     - name: Check commit
+#       run: |
+#         git log -1
+#     - name: Install brew dependencies
+#       run: |
+#         # Unlink and re-link to prevent errors when github mac runner images
+#         # install python outside of brew, for example:
+#         # https://github.com/orgs/Homebrew/discussions/3895
+#         # https://github.com/actions/setup-python/issues/577
+#         # https://github.com/actions/runner-images/issues/6459
+#         # https://github.com/actions/runner-images/issues/6507
+#         # https://github.com/actions/runner-images/issues/2322
+#         brew list -1 | grep python | while read formula; do brew unlink $formula; brew link --overwrite $formula; done
+#         brew reinstall gcc # brings gfortran on path
+#         brew install cmake eigen boost-python3 python3 numpy
+#     - name: Run job
+#       run: |
+#         mkdir -p build
+#         cd build
+#         export FC=gfortran
+#         export FFLAGS="-ff2c -fno-second-underscore"
+#         export CC=clang
+#         export CFLAGS="-Qunused-arguments"
+#         export CXX=clang++
+#         export CXXFLAGS="-Qunused-arguments"
+#         cmake -DBLA_VENDOR=Apple -DEXAMPLES=ON -DICB=ON -DEIGEN=ON -DPYTHON3=ON ..
+#         make all
+#         CTEST_OUTPUT_ON_FAILURE=1 make test
+# macos_latest_autotools:
+#   runs-on: macos-latest
+#   steps:
+#     - name: Clone and check out repository code
+#       uses: actions/checkout@v2
+#       with:
+#         fetch-depth: 0
+#         ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
+#         repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
+#     - name: Check commit
+#       run: |
+#         git log -1
+#     - name: Install brew dependencies
+#       run: |
+#         brew reinstall gcc # brings gfortran on path
+#         brew install autoconf automake libtool pkg-config mpich eigen
+#     - name: Run job
+#       run: |
+#         ./bootstrap
+#         LIBS="-framework Accelerate" FFLAGS="-ff2c -fno-second-underscore" FCFLAGS="-ff2c -fno-second-underscore" \
+#           ./configure --enable-icb --enable-eigen --enable-mpi
+#         make all
+#         make check
+# windows_latest_cmake:
+#   runs-on: windows-latest
+#   name: MinGW-w64 ${{ matrix.msystem }} INTERFACE64=${{ matrix.int64 }}/MPI=${{ matrix.mpi }}
+#   strategy:
+#     fail-fast: false
+#     matrix:
+#       msystem: [UCRT64, CLANG64]
+#       int64: [ON, OFF]
+#       mpi: [ON, OFF]
+#       exclude:
+#         - int64: ON
+#           mpi: ON
+#   defaults:
+#     run:
+#       # Use MSYS2 as default shell
+#       shell: msys2 {0}
+#   steps:
+#     - name: Install MSYS2 build environment
+#       uses: msys2/setup-msys2@v2
+#       with:
+#         update: true
+#         msystem: ${{ matrix.msystem }}
+#         install: >-
+#           base-devel
+#           git
+#         pacboy: >-
+#           cmake:p
+#           ninja:p
+#           cc:p
+#           fc:p
+#           eigen3:p
+#     - name: Install OpenBLAS and MS-MPI from MSYS2
+#       run: |
+#         if [[ ${{ matrix.int64 }} != ON ]]; then
+#           pacboy -S openblas:p --noconfirm
+#         else
+#           pacboy -S openblas64:p --noconfirm
+#         fi
+#         if [[ ${{ matrix.mpi }} = ON ]]; then
+#           # This installs only the link library.
+#           # The actual library will be installed in the next step.
+#           pacboy -S msmpi:p --noconfirm
+#         fi
+#     - name: Install MS-MPI (for mpiexec)
+#       uses: mpi4py/setup-mpi@v1
+#     - name: Clone and check out repository code
+#       uses: actions/checkout@v2
+#       with:
+#         fetch-depth: 0
+#         ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
+#         repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
+#     - name: Check commit
+#       run: |
+#         git log -1
+#     - name: Run job
+#       run: |
+#         mkdir -p build && cd build
+#         echo "::group::Configure"
+#         if [[ ${{ matrix.int64 }} == ON ]]; then
+#           _blas_lib_flag="-DBLAS_LIBRARIES=openblas_64"
+#         fi
+#         cmake \
+#           -GNinja \
+#           -DICB=ON \
+#           -DEIGEN=ON \
+#           -DEXAMPLES=ON \
+#           -DMPI=${{ matrix.mpi }} \
+#           -DINTERFACE64=${{ matrix.int64 }} \
+#           ${_blas_lib_flag} \
+#           ..
+#         echo "::endgroup::"
+#         echo "::group::Build"
+#         cmake --build . -v
+#         echo "::endgroup::"
+#     - name: Run tests
+#       id: run-ctest
+#       run: |
+#         if [[ ${{ matrix.mpi }} == ON ]]; then
+#           export PATH="/c/Program Files/Microsoft MPI/Bin":$PATH # add mpiexec to msys2 path
+#         fi
+#         export PATH="${GITHUB_WORKSPACE}/build":$PATH # add libarpack.dll to msys2 path for tests that run in different directory
+#         cd build
+#         ctest
+#     - name: Re-run tests
+#       if: always() && (steps.run-ctest.outcome == 'failure')
+#       timeout-minutes: 60
+#       run: |
+#         if [[ ${{ matrix.mpi }} == ON ]]; then
+#           export PATH="/c/Program Files/Microsoft MPI/Bin":$PATH # add mpiexec to msys2 path
+#         fi
+#         export PATH="${GITHUB_WORKSPACE}/build":$PATH # add libarpack.dll to msys2 path for tests that run in different directory
+#         cd build
+#         echo "::group::Re-run ctest"
+#         ctest --rerun-failed --output-on-failure || true
+#         echo "::endgroup::"
+#         echo "::group::Log from these tests"
+#         [ ! -f Testing/Temporary/LastTest.log ] || cat Testing/Temporary/LastTest.log
+#         echo "::endgroup::"
+#         echo "::group::Content of arpackmm.run.log"
+#         [ ! -f EXAMPLES/MATRIX_MARKET/arpackmm.run.log ] || cat EXAMPLES/MATRIX_MARKET/arpackmm.run.log
+#         echo "::endgroup::"