These demos are only for those who want to study the numerical and symbolic calculation of roulette amplitudes. They have been created as part of the debugging and validation of the roulette calculations from v3.0 to v3.2.
Custom Amplitudes Files show how to use custom files with algebraic expressions for the roulette amplitudes. It also discusses some of the variants tried in v3.0-v3.2.
By default CosmoSim calculates roulette amplitudes in double precision in the C++ library. It is also possible to compute in arbitrary precision. These two demos show how, and compare the approaches.