CLHep offers a collection of HEP-oriented fundamental and support classes in software engineering.
Additionally, the software comes with a range of example files that demonstrate how to use the HepMC package with Pythia, which is currently linked to Pythia6.1. In some cases, users may need to initialize pythia PYDATA block data externally in certain platforms, which can be achieved using the initpydata() call.
To prevent pythia initialization errors, users can try commenting in/out the initpydata() call in the MyPythia examples. It's worth noting that the Pythia wrappers are not a part of the HepMC package, and are only meant to facilitate the running of examples.
Overall, the software provides a range of features that are useful for HEP-related tasks, and this latest release includes minor bugfixes that improve support for gcc 4.3.0.
Version 2.03.07: N/A