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[ARTICLE · art-65701] src=fortran-lang.discourse.group ↗ pub= topic=developer-tools verified=true sentiment=· neutral

C to Fortran transpiler

A developer used AI models Codex and Claude to create a Python-based transpiler that converts C code to modern Fortran, successfully translating several numerical C programs. The tool is being tested on larger code bases.

read1 min views33 publishedJul 20, 2026

I used Codex and Claude to write in Python a transpiler from C to modern Fortran. It correctly translates a handful of numerical C codes at the repo, and I will test it on larger C code bases.

source & further reading
fortran-lang.discourse.group — original article Scientists are using artificial intelligence and large language models to rewrite old code in modern languages Benchmarking nested do loops, MATMUL and Blas DGEMM Ported a C code to Fortran, etiquette around it?
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