Baptiste Mouginot

Adding atomic mass management in C++ API

9

# Description This adds a simple API to read store and access, atomic masses. This is merrily a transposition of the existing version in the Python API. see [data.py](https://github.com/openmc-dev/openmc/blob/47c37f506daad78b596536ae37aa0d61e2efab33/openmc/data/data.py#L208-L251) This...

## Description Right now, `CellFromFilter` (and the soon to be added `MaterialFromFilter`) test are wrapped in surface tally test. As mentioned by @pshriwise in #2750, they probably should have their...

Formatting difficulties with clang-format

4

I have the OpenMC formatting hook installed as well as `clang-format`. Files were properly formatted (according to my `clang-format`), but CI was still complaining. I think it is a version...

Differentiate materials in DAGMC universes

9

# Description This allows to differentiate materials in DAGMC universe when using the same DAGMC geometry to fill different CG cells This provides a mechanism to overload material assignment embedded...

## Description Working on #3056, I had to modify the `model.differentiate_depletable_mats()` method. Right now when using the `model.differentiate_depletable_mats("cell match)` if a depletable materials (that has multiple instance) is filling a...

Ensuring only exact "vacuum" assignment is detected as vacuum

3

# Description This is a follow up on [svalinn/DAGMC#805](https://github.com/svalinn/DAGMC/issues/805) This ensures that a assignment named "not_a_vacuum" is not flagged as vacuum and therefore is not assigned with vacuum boundary condition....