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Navigating the Code
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The CCL package is laid out as follows.

- ``.github/``: workflow to run tests on Github Actions.
- ``benchmarks/``: source code and data for the benchmark tests, see :ref:`benchmarks`
  for more details.
- ``cmake/``: ``CMake`` modules for building the CCL ``C`` layer
- ``doc/``: latex source for the CCL note and the original CCL paper
- ``examples/``: (possible outdated) examples of how to use CCL
- ``include/``: CCL ``C`` layer header files
- ``pyccl/``: the CCL ``Python`` package
- ``readthedocs/``: the CCL ``Read the Docs`` source
- ``src/``: the CCL ``C`` layer source code
- ``setup.py``: the ``Python`` install script
- ``CMakeLists.txt``: the ``CMake`` installation configuration
- ``CHANGELOG.md``: the CCL log of changes to the code