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Ran 12 Jan 2026 12:50PM UTC

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Committed 12 Jan 2026 12:48PM UTC coverage: 93.761% (-0.09%) from 93.855%

Job # 20919937437.3

Build Type

push

github

Committed by

bjmorgan

Commit Message

Refactor get_sc_fermi to use scipy.optimize.brentq

Replaced custom bisection-like solver with scipy's Brent's method.

Benefits:
- 40x faster (2.6ms vs 102ms per solve)
- Simpler, more robust code
- Well-tested implementation

The n_trial_steps parameter is deprecated and will be removed in a
future version. Brent's method converges in ~30 iterations.

Also includes fix for charge state concentration scaling (#53) which
was exposed by the new solver's stricter NaN handling.

Closes #52
Closes #53

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