Add option to disable all non-root presolve

.bazelrc

@@ -1 +0,0 @@
-common --noenable_bzlmod

.github/workflows/build-bazel.yml

@@ -18,10 +18,10 @@ jobs:
         run: bazel clean
 
       - name: build bazel
-        run: bazel build --enable_bzlmod //...
+        run: bazel build //...
 
       - name: test all
-        run: bazel test --enable_bzlmod //...
+        run: bazel test //...
 
       - name: test example
         run: ./bazel-bin/call-highs-example

.github/workflows/build-python-package.yml

@@ -75,26 +75,23 @@ jobs:
           python -m pytest 
 
   build_wheel_linux:
-    # ubuntu 22 has a latest version of cmake, but setup-python 
-    # does not seem to provide all necessary modules to find python
-    # from cmake. works on my machine, test the wheels manually
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
+    strategy:
+        matrix:
+          python: [3.11]
     steps:
       - uses: actions/checkout@v4
-      # strategy:
-      #   matrix:
-      #     python: [3.12]
 
       - name: Install correct python version
         uses: actions/setup-python@v5
-        # with:
-        #   python-version: ${{ matrix.python }}
+        with:
+          python-version: ${{ matrix.python }}
 
       - name: Build wheel
         run: |
           python3 --version
           python3 -m pip install cibuildwheel
-          python3 -m cibuildwheel --only cp310-manylinux_x86_64 $GITHUB_WORKSPACE
+          python3 -m cibuildwheel --only cp311-manylinux_x86_64 $GITHUB_WORKSPACE
 
       - name: Install wheel
         run: |
@@ -105,7 +102,36 @@ jobs:
         run: |
           python3 -m pip install pytest
           python3 -m pytest $GITHUB_WORKSPACE
-
+
+  build_wheel_linux_arm:
+    runs-on: ubuntu-24.04-arm
+    strategy:
+        matrix:
+          python: [3.11]
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python }}
+
+      - name: Build wheel
+        run: |
+          python3 --version
+          python3 -m pip install cibuildwheel
+          python3 -m cibuildwheel --only cp311-manylinux_aarch64 $GITHUB_WORKSPACE
+
+      - name: Install wheel
+        run: |
+          ls wheelhouse
+          python3 -m pip install wheelhouse/*.whl
+
+      - name: Test highspy
+        run: |
+          python3 -m pip install pytest
+          python3 -m pytest $GITHUB_WORKSPACE
+
   # macos 13 is Intel
   build_wheel_macos_13:
     runs-on: macos-13

.github/workflows/build-wheels-push.yml

@@ -1,12 +1,12 @@
 name: build-wheels-push
 
-on: []
+# on: []
 # on: push
 
-# on:
-#  release:
-#    types:
-#      - published
+on:
+ release:
+   types:
+     - published
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -43,12 +43,12 @@ jobs:
         # Github Actions doesn't support pairing matrix values together, let's improvise
         # https://github.com/github/feedback/discussions/7835#discussioncomment-1769026
         buildplat:
-          - [ubuntu-20.04, manylinux_x86_64]
-          - [ubuntu-20.04, manylinux_i686]
-          - [ubuntu-20.04, manylinux_aarch64]
-          - [ubuntu-20.04, musllinux_x86_64] # No OpenBlas, no test
-          - [ubuntu-20.04, musllinux_i686]
-          - [ubuntu-20.04, musllinux_aarch64]
+          - [ubuntu-24.04, manylinux_x86_64]
+          - [ubuntu-24.04, manylinux_i686]
+          - [ubuntu-24.04-arm, manylinux_aarch64]
+          - [ubuntu-24.04, musllinux_x86_64] # No OpenBlas, no test
+          - [ubuntu-24.04, musllinux_i686]
+          - [ubuntu-24.04-arm, musllinux_aarch64]
           - [macos-13, macosx_x86_64]
           - [macos-14, macosx_arm64]
           - [windows-2019, win_amd64]
@@ -58,21 +58,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Set up QEMU # Required for aarch64 builds
-        if: ${{ contains(matrix.buildplat[1], 'aarch64') }}
-        uses: docker/setup-qemu-action@v3
-        with:
-          platforms: all
-
-      - name: Build wheels (aarch64)
-        if: ${{ contains(matrix.buildplat[1], 'aarch64') }}
-        uses: pypa/[email protected]
-        env:
-          CIBW_BUILD: ${{ matrix.python }}-${{ matrix.buildplat[1] }}
-          CIBW_ARCHS_LINUX: aarch64
-
-      - name: Build wheels (not aarch64)
-        if: ${{ !contains(matrix.buildplat[1], 'aarch64') }}
+      - name: Build wheels
         uses: pypa/[email protected]
         env:
           CIBW_BUILD: ${{ matrix.python }}-${{ matrix.buildplat[1] }}
@@ -82,51 +68,22 @@ jobs:
           name: cibw-wheels-${{ matrix.python }}-${{ matrix.buildplat[1] }}
           path: wheelhouse/*.whl
 
-  upload_testpypi:
-    name: >-
-      Publish highspy to TestPyPI
-    runs-on: ubuntu-latest
-    needs: [build_wheels, build_sdist]
-    # needs: [build_sdist]
-
-    # upload to PyPI on every tag starting with 'v'
-    # if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
-
-    environment:
-      name: testpypi
-      url: https://test.pypi.org/p/highspy
-
-    permissions:
-      id-token: write  # IMPORTANT: mandatory for trusted publishing
-    steps:
-      - uses: actions/download-artifact@v4
-        with:
-          pattern: cibw-*
-          path: dist
-          merge-multiple: true
-
-      - name: Download all
-        uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          repository-url: https://test.pypi.org/legacy/
-          verbose: true
-
-  # upload_pypi:
+  # upload_testpypi:
   #   name: >-
-  #     Publish highspy to PyPI
+  #     Publish highspy to TestPyPI
   #   runs-on: ubuntu-latest
   #   needs: [build_wheels, build_sdist]
+  #   # needs: [build_sdist]
 
   #   # upload to PyPI on every tag starting with 'v'
   #   # if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
 
   #   environment:
-  #     name: pypi
-  #     url: https://pypi.org/p/highspy
+  #     name: testpypi
+  #     url: https://test.pypi.org/p/highspy
 
   #   permissions:
   #     id-token: write  # IMPORTANT: mandatory for trusted publishing
-
   #   steps:
   #     - uses: actions/download-artifact@v4
   #       with:
@@ -136,3 +93,32 @@ jobs:
 
   #     - name: Download all
   #       uses: pypa/gh-action-pypi-publish@release/v1
+  #       with:
+  #         repository-url: https://test.pypi.org/legacy/
+  #         verbose: true
+
+  upload_pypi:
+    name: >-
+      Publish highspy to PyPI
+    runs-on: ubuntu-latest
+    needs: [build_wheels, build_sdist]
+
+    # upload to PyPI on every tag starting with 'v'
+    # if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
+
+    environment:
+      name: pypi
+      url: https://pypi.org/p/highspy
+
+    permissions:
+      id-token: write  # IMPORTANT: mandatory for trusted publishing
+
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          pattern: cibw-*
+          path: dist
+          merge-multiple: true
+
+      - name: Download all
+        uses: pypa/gh-action-pypi-publish@release/v1

.github/workflows/build-wheels.yml

@@ -32,12 +32,12 @@ jobs:
         # Github Actions doesn't support pairing matrix values together, let's improvise
         # https://github.com/github/feedback/discussions/7835#discussioncomment-1769026
         buildplat:
-          - [ubuntu-20.04, manylinux_x86_64]
-          - [ubuntu-20.04, manylinux_i686]
-          - [ubuntu-20.04, manylinux_aarch64]
-          - [ubuntu-20.04, musllinux_x86_64] # No OpenBlas, no test
-          - [ubuntu-20.04, musllinux_i686]
-          - [ubuntu-20.04, musllinux_aarch64]
+          - [ubuntu-24.04, manylinux_x86_64]
+          - [ubuntu-24.04, manylinux_i686]
+          - [ubuntu-24.04-arm, manylinux_aarch64]
+          - [ubuntu-24.04, musllinux_x86_64] # No OpenBlas, no test
+          - [ubuntu-24.04, musllinux_i686]
+          - [ubuntu-24.04-arm, musllinux_aarch64]
           - [macos-13, macosx_x86_64]
           - [macos-14, macosx_arm64]
           - [windows-2019, win_amd64]
@@ -46,21 +46,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - name: Set up QEMU # Required for aarch64 builds
-        if: ${{ contains(matrix.buildplat[1], 'aarch64') }}
-        uses: docker/setup-qemu-action@v3
-        with:
-          platforms: all
-
-      - name: Build wheels (aarch64)
-        if: ${{ contains(matrix.buildplat[1], 'aarch64') }}
-        uses: pypa/[email protected]
-        env:
-          CIBW_BUILD: ${{ matrix.python }}-${{ matrix.buildplat[1] }}
-          CIBW_ARCHS_LINUX: aarch64
-
-      - name: Build wheels (not aarch64)
-        if: ${{ !contains(matrix.buildplat[1], 'aarch64') }}
+      - name: Build wheels
         uses: pypa/[email protected]
         env:
           CIBW_BUILD: ${{ matrix.python }}-${{ matrix.buildplat[1] }}

.github/workflows/code-coverage.yml

@@ -0,0 +1,68 @@
+name: code-coverage
+
+on: [pull_request]
+
+jobs:
+  debug:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: install 
+        run: sudo apt-get update && sudo apt-get install lcov 
+
+      - name: Create Build Environment
+        run: cmake -E make_directory ${{runner.workspace}}/build
+
+      - name: Configure CMake
+        shell: bash
+        working-directory: ${{runner.workspace}}/build
+        run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=Debug -DHIGHS_COVERAGE=ON -DALL_TESTS=ON -DBUILD_SHARED_LIBS=OFF -D CMAKE_C_COMPILER=gcc -D CMAKE_CXX_COMPILER=g++
+
+      - name: Build
+        working-directory: ${{runner.workspace}}/build
+        shell: bash
+        run: |
+          cmake --build . --parallel --config Debug
+
+      - name: Test
+        working-directory: ${{runner.workspace}}/build
+        shell: bash
+        run: ctest --parallel --timeout 300 --output-on-failure 
+
+      - name: Generate Report
+        working-directory: ${{runner.workspace}}/build
+        shell: bash
+        run: |
+          lcov -d . -c -o cov.info --ignore-errors empty
+          lcov --remove cov.info "/usr/include/*" -o cov.info
+          lcov --remove cov.info "/usr/lib/*" -o cov.info
+          lcov --remove cov.info "extern/pdqsort/*" -o cov.info
+          lcov --remove cov.info "extern/zstr/*" -o cov.info
+          lcov --remove cov.info "extern/catch*" -o cov.info
+          lcov --remove cov.info "app/cxxopts*" -o cov.info
+          lcov --remove cov.info "src/test*" -o cov.info
+          lcov --list cov.info
+          mv cov.info coverage.info
+
+      - name: Genhtml Results Summary 
+        working-directory: ${{runner.workspace}}/build
+        shell: bash
+        run: |
+          genhtml -o coverage coverage.info
+
+      # Made it past the first token issue. 
+      # May need some more time to porpagate on the codecov side. 
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          slug: ERGO-Code/HiGHS
+          fail_ci_if_error: true # optional (default = false)
+          files: ${{runner.workspace}}/build/coverage.info # optional
+          # name: codecov-umbrella # optional
+          verbose: true # optional (default = false)

.gitignore

@@ -230,6 +230,7 @@ pip-log.txt
 
 # Unit test / coverage reports
 .coverage
+cov.info
 .tox
 
 #Translations