refac(piecewise): introduce Slopes class, remove breakpoints(slopes=) mode#673

Merged

FabianHofmann merged 20 commits into

feat/slopes-class

May 7, 2026

Commits on May 6, 2026

feat(piecewise): add Slopes class for deferred breakpoint specs

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refactor(piecewise): remove slopes-mode of breakpoints() and slopes_to_points

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docs(piecewise): migrate slopes examples to Slopes class

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feat(piecewise): custom Slopes repr that hides defaults and summarises bulky values

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test(piecewise): consolidate Slopes tests into focused, parametrised classes

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chore: hoist _slopes_to_points test import + strip notebook execution metadata

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fix(notebook): restore em-dashes from — escapes to UTF-8

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fix(notebook): restore unrelated unicode chars and Python version metadata

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review fixes: emit Slopes warning, bound seq repr, harden dispatch test

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fix(piecewise): three robustness issues in Slopes

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feat(piecewise): value-equality on Slopes via type-dispatched __eq__

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feat(piecewise): summarise multi-dim ndarray Slopes values by shape

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fix(piecewise): broaden Slopes equality, trim release-notes entry

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docs(piecewise): trim notebook section 8 to match the surrounding shape

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fix(piecewise): require exactly one non-Slopes tuple in add_piecewise_formulation

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