Fixed source k simplified#3788

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mlouis9 wants to merge 30 commits intoopenmc-dev:developfrom

mlouis9:fixed-source-k-simplified

Commits on Feb 10, 2026

initial implementation

GuySten
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mlouis9
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fix math

GuySten
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mlouis9
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fix print

GuySten
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mlouis9
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made implementation lean

GuySten
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mlouis9
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improved python handling

GuySten
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mlouis9
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fix math typo

GuySten
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mlouis9
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fix math typo again

GuySten
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mlouis9
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add test

GuySten
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mlouis9
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improved test

GuySten
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mlouis9
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added another test

GuySten
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mlouis9
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store less data in global_tallies

GuySten
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mlouis9
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various fixes

GuySten
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mlouis9
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fix narrowing warning

GuySten
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mlouis9
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fix size bug

GuySten
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mlouis9
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fix typo

GuySten
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mlouis9
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update test results

GuySten
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mlouis9
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Added new input option for calculating subcritical k in fixed source mode
mlouis9
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Initial implementation of total multiplication factor tally in fixed source mode, currently incorrect though
mlouis9
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Initial implementation of kq tallies using first generation accumulations of global k estimators
mlouis9
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Fixed bug underestimating first generation tallies
mlouis9
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Added combined kq estimators, and fixed bugs with accumulating sumsquares
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Add ks to statepoint and update test
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Subcritical k calculation documentation
mlouis9
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Fix bug in HDF 5 dataset writing order and update tests
mlouis9
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Clean up rebase and tests
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Add setting for printing out other subcritical k factors. Add tallies for products between k and kq tallies for covaraince calculations
mlouis9
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Add combined ks estimator
mlouis9
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Fix ks attrs in statepoint and polish
mlouis9
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Update docs and fix ks_combined stddev calculation
mlouis9
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Commits on Mar 9, 2026

Fix naming bug in MPI code
mlouis9
committed