Ensure string lengths are provided as arguments when calling BLAS/LAPACK Fortran APIs from C #372
Description
Checklist
Please ensure the following tasks are completed before filing a bug report.
- Read and understood the Code of Conduct.
- Searched for existing issues and pull requests.
Description
Description of the issue.
As discussed elsewhere,
- https://developer.r-project.org/Blog/public/2019/05/15/gfortran-issues-with-lapack/
- C Fortran ABI issues with character arguments scipy/scipy#10335
- https://lwn.net/Articles/791393/
a bug arose due to changes in the GFortran compiler when calling from C into Fortran in the reference BLAS/LAPACK implementations. We should be aware of this bug, as we work to include BLAS wrappers in the codebase.
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No.
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