Re: Greatest Common Divisor
От | Vik Fearing |
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Тема | Re: Greatest Common Divisor |
Дата | |
Msg-id | 4c2a91c8-62e4-af28-5ea7-caf7726d9793@2ndquadrant.com обсуждение исходный текст |
Ответ на | Re: Greatest Common Divisor (Dean Rasheed <dean.a.rasheed@gmail.com>) |
Ответы |
Re: Greatest Common Divisor
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Список | pgsql-hackers |
On 20/01/2020 11:28, Dean Rasheed wrote: > Looking at the docs, I think it's worth going a little further than > just saying what the acronyms stand for -- especially since the > behaviour for zero inputs is an implementation choice (albeit the most > common one). I propose the following: > > + <entry> > + greatest common divisor — the largest positive number that > + divides both inputs with no remainder; returns <literal>0</literal> if > + both inputs are zero > + </entry> > > and: > > + <entry> > + least common multiple — the smallest strictly positive number > + that is an integer multiple of both inputs; returns > <literal>0</literal> > + if either input is zero > + </entry> > > (I have tried to be precise in my use of terms like "number" and > "integer", to cover the different cases) In that case should lcm be "...that is an integral multiple..." since the numeric version will return numeric? Other than that, I'm happy with this change. -- Vik Fearing
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