Release of FastJet 3.4.2 (latest stable release), 28 July 2023 (release notes).
This is a bug-fix release of FastJet, resolving a small compatibility issue with c++20, and updating SISCone to 3.0.6 (turns off -ffast-math compile-time option). See the full release notes for details. Download
Latest stable release of fjcore (v3.4.2), 28 July 2023
Lightweight access to the core FastJet functionality (PseudoJet, JetDefinition, ClusterSequence and Selector).
It consists of just two files, fjcore.hh and, which can easily be included in 3rd party projects. Compile time: a few seconds. A fortran interface and basic examples are also included in the distribution. Download size: 75k.
Release of FastJet Contrib 1.053, 29 September 2023.
A package of contributed add-ons to FastJet. This release updates LundPlane to version 2.0.4 with a const-correctness fix and a new LundPlane.hh header as a shortcut to the main other headers. FastJet contrib 1.047 upwards now requires c++11 support in the compiler (if using g++ it should be version 5.1.0 or later). Direct download.