[fredsonnenwald]

This PR adds support for up to four layers in the LDPC rate matching code. The changes mostly consist of making sure that _rateMatch treats d as a 2D array. I've updated the MATLAB test to check that the correct result is produced.

$ python -m pytest tests/matlab/test_nrRateMatchLDPC_matlab.py
============================= test session starts ==============================
platform linux -- Python 3.12.3, pytest-9.0.3, pluggy-1.6.0
rootdir: /home/user/py3gpp
configfile: pyproject.toml
collected 576 items                                                            

tests/matlab/test_nrRateMatchLDPC_matlab.py ............................ [  4%]
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============================= 576 passed in 18.27s =============================

[catkira]

Hi @fredsonnenwald, thanks for the PR. Can You fix this CI https://github.com/catkira/py3gpp/actions/runs/25857226141/job/75981143085?pr=81 ?

[fredsonnenwald]

Sorry @catkira, I thought I had pushed that fix already! Hopefully that does it now.