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Languages & runtimes · #fortran
A concise guide to using Fortran’s ISO_C_BINDING for safe, minimal interoperation with C, covering design, checks, failure scenarios.
Fortran lets you apply operators to whole arrays or slices, avoiding loops, but requires conformable shapes and proper procedure intent.
Diagnose and fix Fortran BIND(C) interoperability failures with a clear step‑by‑step guide: check symbol names, argument types, compiler flags, ABI compatibility, and use a minimal test case to verify the link and runtime behavior.
Stop writing verbose MPI boilerplate. Learn how Fortran Coarrays enable distributed memory parallelism using simple bracket notation and PGAS memory models.
Learn how to safely call a C math routine such as sin from Fortran using ISO_C_BINDING, with compile, link, and verification steps.
A step‑by‑step guide to building a lightweight Fortran 2008 coarray module that splits a large array across images, with clear requirements, trust boundaries, operational checks, failure modes, and when redesign is needed.
A decision guide for Fortran memory management, comparing static, automatic, and allocatable arrays to optimize performance and prevent stack overflows in engineering simulations.
Passing array sizes as separate arguments is a legacy habit that defers bugs to runtime. Module procedures with assumed-shape dummy arrays let the compiler check every call — here's a worked normalization kernel and the honest trade-offs.
DO CONCURRENT lets you promise the compiler that loop iterations are independent, unlocking vectorization and parallel execution without OpenMP directives — if you can keep that promise.