madgraph.core.base_objects: Definitions of all basic objects used in the core code: particle,
interaction, model, leg, vertex, process, ...
madgraph.core.color_algebra: Classes and methods required for all calculations related to SU(N)
color algebra.
madgraph.core.color_amp: Classes, methods and functions required to write QCD color
information for a diagram and build a color basis, and to square a
QCD color string for squared diagrams and interference terms.
madgraph.iolibs.group_subprocs: Methods and classes to group subprocesses according to initial
states, and produce the corresponding grouped subprocess
directories.
madgraph.iolibs.ufo_expression_parsers: Parsers for algebraic expressions coming from UFO, outputting into
different languages/frameworks (Fortran and Pythia8).
madgraph.loop.loop_color_amp: Classes, methods and functions required to write QCD color
information for a loop diagram and build a color basis, and to
square a QCD color string for squared diagrams and interference
terms.
madgraph.loop.loop_helas_objects: Definitions of objects inheriting from the classes defined in
helas_objects.py and which have special attributes and function
devoted to the treatment of Loop processes