Langevin C++ source

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cplusplus Directory Reference

## Directories
| core
| dp

## Detailed Description

# Build notes

The first build step is to set up a Python environment (see environment.yml for a conda install, and refer to requirements.txt for a definitive but overly strict list of "dependencies"). The second build step uses meson-python to compile and link the C++ source to generate a Python-importable executable, and (optionally) deploy in the usual way as a Python package within that environment.

First step: having cloned the repo, enter the root directory; don't try to build from the src/ directory.

Second step: build and deploy as a Python package:

    rm -rf build; pip install .

or just build and not deploy:

    rm -rf build; meson setup build; meson compile -C build

Then, check your build/deployment using the Python script and Jupyter notebook in demos/. See the README there for more details.

If you choose to build the langevin package and subsequently use it in-place, without deployment, you will need something like the following in all your Python scripts:

    import sys, os
    sys.path.insert(0, os.path.join(os.path.pardir, "build"))

Here, the assumption is you're running the script from a directory parallel with build/, such as in demos/.