FA-66558 / Airline fare rule evaluation / Member archive

NUC total rounded instead of truncated · case 03

The NUC total on the fare calculation line is a cent higher than the component sum allows.

Member previewVariant 3 · 3 implementations · 10 checks per implementation

Case contract

Input {'nuc':[component amounts],'roe','currency'}. Sum components exactly, truncate the NUC total to 2 decimals, multiply by ROE, and round UP to the currency unit (USD/EUR/GBP 1, JPY 100, KWD 0.1) in exact decimal arithmetic; other currencies -> 'ERR_CURRENCY'. Return [NUC string, local string].

Why this case matters

Fare construction sums neutral units, converts with a rate of exchange, and rounds to currency-specific units in a prescribed direction.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
USD two components	`["800.61", "801"]`	`["800.60", "801"]`	Failed

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