new `polynomial_fit` module#145

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pavelkomarov merged 2 commits intomasterfrom

make-poly-module

Aug 15, 2025

Commits on Aug 15, 2025

moved splinediff, polydiff, and savgoldiff to a new module called polynomial_fit, leaving method stubs behind so everything is backwards compatible. The tests still pass without modification, impor…
pavelkomarov
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updated tests and optimization code to import from the new locations, changed name of the general finite_difference function to be finitediff so it doesn't collide with the module name, updated the…
pavelkomarov
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