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Update the cibuildwheel matrix (Linux/macOS/Windows) to cp311-cp314, bump requires-python to >=3.11, the mypy target to 3.11, and the README badge to 3.11+. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…illo
vcpkg install of openblas + lapack-reference fails on Windows: vcpkg's
Fortran toolchain (vcpkg-gfortran -> LLVMFlang) can't build reference
LAPACK, so every Windows wheel job died at CIBW_BEFORE_ALL. Same failure
the sibling `smooth` package hit and solved.
Switch Windows to the OpenMathLib pre-built OpenBLAS zip (BLAS + LAPACK in
one DLL, no Fortran build) consumed via OPENBLAS_HOME, mirroring smooth;
delvewheel bundles libopenblas.dll. CMakeLists now:
- locates system Armadillo (Linux/macOS) and falls back to a header-only
FetchContent of armadillo-code on Windows (no system Armadillo, no
vcpkg). SOURCE_SUBDIR=include downloads without running Armadillo's
CMake; ARMA_USE_BLAS/LAPACK set explicitly for the fetched headers.
- on Windows, points BLAS/LAPACK at OpenBLAS's import lib from
OPENBLAS_HOME, FATAL_ERROR if absent; Linux/macOS keep find_package.
Workflow: replace the vcpkg cache + install/toolchain env with the
OpenBLAS download (cached at C:\openblas) + OPENBLAS_HOME + delvewheel
--add-path C:/openblas/bin.
Verified: Linux configure finds system Armadillo + OpenBLAS, clean rebuild
imports, 39 functionality tests pass; the Windows FetchContent download-only
idiom validated standalone against gitlab.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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