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### 514. Size of state for subtract_with_carry

Section: 28.5.4.4 [rand.eng.sub], 99 [tr.rand.eng.sub] Status: NAD Editorial Submitter: Walter Brown Opened: 2005-07-03 Last modified: 2016-01-28

Priority: Not Prioritized

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Discussion:

Paragraph 2 begins:

> The size of the state is r.

However, the next sentence specifies a total of r+1 items in the textual representation of the state, r specific x's as well as a specific carry. This makes a total of r+1 items that constitute the size of the state, rather than r.

Proposed resolution:

We recommend the sentence be corrected to match:

> The size of the state is r+1.

[ Jens: I plead for "NAD" on the grounds that "size of state" is only used as an argument for big-O complexity notation, thus constant factors and additions don't count. ]

[ Berlin: N1932 adopts the proposed NAD. ]