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NCrystal : a library for thermal neutron transport in crystals and other materials

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When we apply smin in ncmat2endf processing, the kernels might end up with edge rows or columns consisting of pure zeroes. We should chop off these before putting in ENDF...

endf

Now that we can optionally rely on endf-parserpy we should add a new utility method on NCMATComposer which allows to add dyninfo scatknl from an ENDF file. That way we...

python
endf

Currently the ENDF extinction notebook uses a feature from the `._ncmat2endf_impl` module to allow exporting files after using the `CrysExtn` plugin. This has to be fixed of course.

enhancement
data library
plugins
endf

Recently a bunch of notebooks in the ncrystal-notebooks stopped rendering in the github preview, due to an error with nbconvert. For reference it could be reproduced locally with: ``` jupyter...

enhancement
python
documentation
tests
github_actions

Seeing this warning with setuptools-based pyproject.toml files: ``` ******************************************************************************** Please use a simple string containing a SPDX expression for `project.license`. You can also use `project.license-files`. (Both options available on setuptools>=77.0.0)....

bug

On conda-forge linux-aarch64 builds, several warnings were observed, including: ``` In file included from /home/conda/feedstock_root/build_artifacts/ncrystal-suite_1749662841834/work/src/ncrystal_core/include/NCrystal/internal/sab/NCSABExtender.hh:25, from /home/conda/feedstock_root/build_artifacts/ncrystal-suite_1749662841834/work/src/ncrystal_core/include/NCrystal/internal/sab/NCSABSampler.hh:25, from /home/conda/feedstock_root/build_artifacts/ncrystal-suite_1749662841834/work/src/ncrystal_core/include/NCrystal/internal/sab/NCSABScatterHelper.hh:24, from /home/conda/feedstock_root/build_artifacts/ncrystal-suite_1749662841834/work/src/ncrystal_core/include/NCrystal/internal/sab/NCSABIntegrator.hh:24, from /home/conda/feedstock_root/build_artifacts/ncrystal-suite_1749662841834/work/src/ncrystal_core/src/sab/NCSABIntegrator.cc:21: /home/conda/feedstock_root/build_artifacts/ncrystal-suite_1749662841834/work/src/ncrystal_core/include/NCrystal/internal/phys_utils/NCFreeGasUtils.hh: In member function 'NCrystal::PairDD NCrystal::FreeGasSampler::sampleAlphaBeta(NCrystal::RNG&) const':...

bug

We should add extinction models to NCrystal, inspired by work in https://github.com/XuShuqi7/ncplugin-CrysExtn. This issue will be used to track details of this work which has already started after discussions with...

enhancement
algorithms