On 03/05/2015 00:00, Geoffrey Knauth wrote:
On Friday, May 1, 2015 at 5:53:04 PM UTC-4, Greg Trzeciak wrote:
It's an old thread but just in case someone is looking for the answer Julia has
(now?) C API:
http://julia.readthedocs.org/en/latest/manual/embedding/
I hesitate to mention connecting Racket to Fortran some day but I wonder if
that's ever been done. Nine years ago when I worked on parallel programming
enhancements to Octave, the free MATLAB-workalike written in C++, Octave leaned
heavily on Fortran scientific libraries that had been highly optimized over
decades. Julia is also speedy doing math.
If it's old Fortran 77 code (BLAS, LAPACK, etc.), C interfacing
techniques work quite well in practice. You have to know how the Fortran
compiler's API maps to a C API, but there are only two or three
conventions around, which differ in trivial things like underscores
added to subroutine names. Fortran 95 and later are a different story.
Konrad.
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