MOCCA

MOCCA is the standalone modern cascade application extracted from the larger refactor work. The name stands for MOdern Code for CAscade.

This repository contains only:

the modern C++ cascade implementation
a helper that translates legacy card decks into the modern JSON schema
the original literature and published source material kept for provenance

It intentionally does not depend on the old Python implementation or the earlier C++ refactor.

Build

cmake -S . -B build
cmake --build build -j

This produces the mocca executable in build/.

Run

./build/mocca examples/fe_stat_n15.json --output result.json

The executable reads a structured JSON input file and writes a structured JSON result artifact. The bundled coefficient tables are compiled into the binary, so no external runtime data files are required.

Translate Legacy Decks

python3 tools/card_to_json.py legacy_case.inp --output case.json

The translator is a standalone helper built on the Python standard library only. It converts the historical card input into the JSON schema used by MOCCA.

Project Layout

include/mocca: public headers
src: MOCCA implementation
tools/card_to_json.py: legacy-card to JSON translator
examples: example JSON inputs
docs: high-level documentation
literature: original papers and published source material

Literature

The literature/ folder keeps the original papers and source material that the implementation was checked against:

Akylas_VR_1978.pdf
1-s2.0-0010465578900991-main.pdf
aama_v1_0.f