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‎.github/workflows/hipo-fetch.yml‎

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run: |
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ctest --parallel --timeout 300 --output-on-failure
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ubuntu_32:
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runs-on: ubuntu-latest
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strategy:
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matrix:
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config: [Release]
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all_tests: [ON]
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# Temporarily disable ubuntu_32 for 1.13
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# ubuntu_32:
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# runs-on: ubuntu-latest
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# strategy:
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# matrix:
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# config: [Release]
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# all_tests: [ON]
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steps:
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- uses: actions/checkout@v4
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# steps:
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# - uses: actions/checkout@v4
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- name: Create Build Environment
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run: cmake -E make_directory ${{runner.workspace}}/build
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# - name: Create Build Environment
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# run: cmake -E make_directory ${{runner.workspace}}/build
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- name: Install 32-bit deps
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run: |
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sudo dpkg --add-architecture i386
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sudo apt update
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sudo apt install -y gcc-multilib g++-multilib libc6-dev-i386
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# - name: Install 32-bit deps
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# run: |
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# sudo dpkg --add-architecture i386
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# sudo apt update
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# sudo apt install -y gcc-multilib g++-multilib libc6-dev-i386
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- name: Configure CMake
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working-directory: ${{runner.workspace}}/build
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run: |
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cmake $GITHUB_WORKSPACE -DHIPO=ON -DBUILD_OPENBLAS=ON \
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-DALL_TESTS=${{ matrix.all_tests }} \
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-DCMAKE_C_FLAGS="-m32" \
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-DCMAKE_CXX_FLAGS="-m32" \
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-DCMAKE_SHARED_LINKER_FLAGS="-m32"
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# - name: Configure CMake
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# working-directory: ${{runner.workspace}}/build
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# run: |
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# cmake $GITHUB_WORKSPACE -DHIPO=ON -DBUILD_OPENBLAS=ON \
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# -DALL_TESTS=${{ matrix.all_tests }} \
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# -DCMAKE_C_FLAGS="-m32" \
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# -DCMAKE_CXX_FLAGS="-m32" \
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# -DCMAKE_SHARED_LINKER_FLAGS="-m32"
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- name: Build
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working-directory: ${{runner.workspace}}/build
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run: |
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cmake --build . -j2
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# - name: Build
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# working-directory: ${{runner.workspace}}/build
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# run: |
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# cmake --build . -j2
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- name: Check
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working-directory: ${{runner.workspace}}/build
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run: |
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cd _deps/openblas-build/lib/
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ar t libopenblas.a | head -1 | xargs ar p libopenblas.a | file -
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# - name: Check
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# working-directory: ${{runner.workspace}}/build
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# run: |
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# cd _deps/openblas-build/lib/
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# ar t libopenblas.a | head -1 | xargs ar p libopenblas.a | file -
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- name: Test executable
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working-directory: ${{runner.workspace}}/build
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run: ./bin/highs --solver=hipo $GITHUB_WORKSPACE/check/instances/afiro.mps
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# - name: Test executable
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# working-directory: ${{runner.workspace}}/build
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# run: ./bin/highs --solver=hipo $GITHUB_WORKSPACE/check/instances/afiro.mps
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- name: Ctest
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working-directory: ${{runner.workspace}}/build
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run: |
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ctest --parallel --timeout 600 --output-on-failure
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# - name: Ctest
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# working-directory: ${{runner.workspace}}/build
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# run: |
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# ctest --parallel --timeout 600 --output-on-failure
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ubuntu_32_no_hipo:
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runs-on: ubuntu-latest

‎CMakeLists.txt‎

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find_package(ZLIB 1.2.3)
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endif()
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install(FILES README.md LICENSE.txt DESTINATION .)
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install(FILES README.md LICENSE.txt THIRD_PARTY_NOTICES.md DESTINATION .)
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# Set default generator based on platform
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if(WIN32)

‎FEATURES.md‎

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Added singleton column stuffing to MIP presolve - see Gamrath et al., Progress in presolving for mixed integer programming. Math. Prog. Comp. 7, 367–398 (2015).
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## Build changes
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Added Python 3.14 support.
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Added a CMake option BUILD_OPENBLAS for Windows and Linux, when HIPO is ON and BUILD_OPENBLAS is ON, OpenBLAS is downloaded and built as a subproject. The default value is OFF.
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Update rules_cuda for the bazel build.
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Filereader is now in highs/ rather than extern/.
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Metis, amd and rcm are now in extern/. Metis is no longer an external dependency.
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Binaries are now available. Standard HiGHS binaries are MIT-licensed and HiGHS with HiPO are Apache-licensed.

‎THIRD_PARTY_NOTICES.md‎

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* https://github.com/DrTimothyAldenDavis/SuiteSparse
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To avoid compiling this code into HiGHS, use `-DHIPO=OFF`.
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To avoid compiling this code into HiGHS, use `-DHIPO=OFF` (the default value).
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## cli
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* https://github.com/KarypisLab/METIS
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* https://github.com/KarypisLab/GKlib
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To avoid compiling this code into HiGHS, use `-DHIPO=OFF`.
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To avoid compiling this code into HiGHS, use `-DHIPO=OFF` (the default value).
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## pdqsort
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* https://people.sc.fsu.edu/~jburkardt/cpp_src/rcm/rcm.html
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To avoid compiling this code into HiGHS, use `-DHIPO=OFF` (the default value).
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## zstr
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The source code in `/extern/zstr` is distributed under the [MIT license](https://opensource.org/license/MIT)

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