FortranTip

Short instructional Fortran codes associated with Twitter @FortranTip . Search tips and run codes at FortranTipBrowser. Recently I have duplicated Twitter posts at Bluesky.

Index of Tweets, Most Recent First, with Associated Code. A List by Topic is here.

UK Met Office introductory and intermediate Fortran courses 7:24 AM · May 10, 2025 introductory, intermediate<br> Sovereign Tech Fund funding gfortran €360,000 11:40 AM · May 7, 2025 link<br> Fprettify formats Fortran code 9:47 AM · May 4, 2025 GitHub<br> Webinar - Fortran on CPU and GPU, by Vincent Lafage 12:06 PM · Apr 20, 2025 video<br> Papers on LLMs in HPC 9:19 AM · Apr 18, 2025 post<br> Fortran LLM Agents 9:09 AM · Apr 18, 2025 repo<br> Writing Portable Fortran by Peter Klausler 12:10 PM · Apr 7, 2025 repo<br> Avoid compiler checks for allocatable array resizing 7:37 AM · Mar 28, 2025 post<br> Warning about procedures that should not be called in new code 6:47 AM · Mar 27, 2025 post<br> Intel Fortran compiler 2025.1 released 3:01 PM · Mar 26, 2025 post<br> Array operations vs. loops 8:15 AM · Mar 23, 2025 post <br> Fortran 2023 for you -- talk by Katherine Rasmussen 12:16 PM · Mar 20, 2025 video<br> Read line with advance="no" and size specifier to avoid trailing spaces 8:43 AM · Mar 16, 2025 code here<br> Numerical algorithms to code to learn a scientific programming language 7:06 AM · Mar 13, 2025 post<br> First official release of Flang compiler 6:48 AM · Mar 12, 2025 announcement here<br> Guides to Fortran intrinsic functions, statements, and syntax by John S. Urban 1:33 PM · Mar 11, 2025 here<br> Getting started with Fortran using FPM and stdlib 6:49 AM · Mar 10, 2025 Fortran Discourse post<br> Fortuno object-oriented unit testing framework 6:44 AM · Mar 7, 2025 here<br> 400 projects that work with the Fortran Package Manager, listed by topic 6:40 AM · Mar 6, 2025 here<br> Meaning of dimension(1) arguments 12:46 PM · Mar 2, 2025 discussed here<br> F-IKOS is a static analyzer for Fortran 7:26 AM · Feb 26, 2025 available here<br> Quickr transpiles numerical R functions to Fortran for speed 8:29 AM · Feb 24, 2025 repo here<br> John Burkardt's Fortran 90 codes are on GitHub 9:55 AM · Feb 23, 2025 repo here<br> Online Fortran course March 11-13 6:49 AM · Feb 21, 2025 course here, notes for previous version here<br> Fortran-lang article "Putting Fortran’s object-related features to practical use" 11:36 AM · Feb 20, 2025 article here<br> Fortran features in GCC 14 8:59 AM · May 17, 2024 linking to Fortran Discourse<br> Table of banded linear solvers in Fortran 6:13 AM · May 18, 2024 linking to Fortran Discourse<br> Fortran ranked 10th on TIOBE 7:04 AM · May 6, 2024<br> Repost: How to use LFortran to compile Fortran codes to WebAssembly via LLVM and host on static web pages 4:21 PM · May 2, 2024 linking to blog post<br> Proceedings of past Cray User Group conferences are available 7:05 AM · Apr 23, 2024 for example here<br> Intel Fortran 2024.1.0 6 is released 7:50 PM · Apr 18, 2024 linking to release notes<br> Fortran projects of gha3mi 8:57 AM · Apr 16, 2024 on GitHub<br> Fortran Standard Library v0.5.0 is released 8:11 AM · Apr 12, 2024 linking to Fortran Discourse<br> Fortran for Scientific Computing course at HLRS 7:38 PM · Apr 11, 2024 -- course site<br> Intermediate Modern Fortran course by Kevin Stratford 9:29 PM · Apr 9, 2024 -- GitHub<br> New paper "Scheduling and Performance of Asynchronous Tasks in Fortran 2018 with FEATS" 8:04 PM · Apr 1, 2024 -- GitHub<br> Is Fortran Memory-Safe? 11:26 AM · Mar 29, 2024 -- Fortran Discourse<br> For REAL x and COMPLEX z, x = z%re is clearer than x = z 7:16 AM · Mar 23, 2024<br> Production code should not use parameterized derived types 7:13 PM · Mar 21, 2024 -- Fortran Discourse<br> Fortran literal constant cannot have a minus sign 8:44 PM · Mar 14, 2024<br> By creating a namelist string from GET_COMMAND() you can parse command line arguments 6:40 AM · Mar 4, 2024 -- GitHub<br> Namelists blog post by Antoine Dauptain 7:11 AM · Mar 3, 2024<br> Installing gfortran on Windows 6:44 AM · Mar 2, 2024<br> Overloading of asterisk (*) -- post by John Harper 8:57 AM · Mar 1, 2024<br> Special meaning of asterisk (*) in DATA, READ, and NAMELIST 3:24 AM · Feb 29, 2024<br> Variables set in a DATA statement have the SAVE attribute 6:44 AM · Feb 28, 2024<br> [DATA