4c271f5e9f
generate/rate_comprehension/model.py: RateProblem (quantity = rate × time, exactly one unknown == query; rate_unit fixes all three units by construction; structural guard refuses zero/two unknowns). evals/rate_oracle/: span-free signature, a 12-fixture gold (6 solved / 2 solver_refuses / 2... reader_refuses), closed expect+reason taxonomy, gold-validation runner + CLI. No reader yet — proves the ruler (12/12 valid). Gold shape gives the 6/0/6 target: 6 single-rate solved (forward + both inverses, non-temporal 'per box' included), 2 non-integer-inverse solver refusals, 4 reader refusals (unit mismatch minutes-vs-hour, missing time, combined rates, clock-time temporal). Off-serving. 9 oracle + 10 unit tests; per-branch meaningful-fail.
36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
"""Span-free canonical signature for the R3 rate setup oracle (R3b).
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A deterministic, order-independent projection of a single-rate setup — the rate unit, the known
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values keyed by role, and the query — used to compare a reader's comprehended ``RateProblem``
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against the independent gold. The R3 twin of ``evals.setup_oracle.signature`` /
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``evals.constraint_oracle.signature``. Pure, deterministic.
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"""
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from __future__ import annotations
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from typing import Any
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from generate.rate_comprehension.model import RateProblem
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def rate_setup_signature(problem: RateProblem) -> dict[str, Any]:
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"""Canonical ``(rate_unit, knowns, query)`` signature of a single-rate setup."""
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knowns = tuple(
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sorted(
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(role, value)
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for role, value in (
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("rate", problem.rate),
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("time", problem.time),
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("quantity", problem.quantity),
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)
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if value is not None
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)
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)
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return {
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"rate_unit": (problem.rate_unit.numerator, problem.rate_unit.denominator),
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"knowns": knowns,
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"query": problem.query,
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}
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__all__ = ["rate_setup_signature"]
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