src/Algorithms Opal-cycl tracker, Opal-T tracker

src/Distribution particle distribution

src/Elements parser part for the elements

src/OpalParser parser

src/Optimize parser part for the optimizer

src/Sample parser part and bit more for the sampler

src/Solvers field solvers, CSR and wake field solvers

src/Steppers stepper algorithms, e.g. RK, Boris

src/Structure classes for output

src/Classic/AbsBeamline element definitions

src/Classic/Algorithms particle bunch

src/Classic/BeamlineCore wrappers for the elements

src/Classic/Fields field maps

src/Classic/Filters filters for CSR and geometric wake field

src/Classic/Parser low level parser

src/Classic/Physics physical constants and material definitions

src/Classic/TrimCoils definitions for trim coils

optimizer low level optimizer library

ippl low level library for grids, fft, particles, output