Re: numeric precision when raising one numeric to
От | Bruce Momjian |
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Тема | Re: numeric precision when raising one numeric to |
Дата | |
Msg-id | 200505201537.j4KFbqX20426@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: numeric precision when raising one numeric to (Scott Marlowe <smarlowe@g2switchworks.com>) |
Ответы |
Re: numeric precision when raising one numeric to
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Список | pgsql-general |
Scott Marlowe wrote: > I could be wrong, and would be unoffended to be proven so, but I don't > think I am. I think that argument is just hand waving. > > 2: How many people who DO work with large exponents and need arbitrary > precision have looked at postgresql, typed in "select 3^100" got back > 5.15377520732011e+47, and simply went to another piece of software and > never looked back? We don't know. And the attitude that it seems > useless to me so it must be useless to everybody else isn't going to > help attract people who do things that seem esoteric and strange to you, > but are important to them. > > 3: Is this worth submitting a patch for? I don't want to spend x hours > making a patch and 10x hours arguing over getting it accepted... :) Seems we could create a NUMERIC^NUMERIC function that does integral exponents accurately and non-integrals using floats. Is the problem that the function can only return NUMERIC or float? -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
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