Subject:
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Re: number notation in official parts
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Newsgroups:
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lugnet.cad.dev
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Date:
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Fri, 12 Mar 2010 09:50:14 GMT
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Viewed:
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24053 times
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In lugnet.cad.dev, Travis Cobbs wrote:
> In lugnet.cad.dev, Timothy Gould wrote:
> > My point is that to write in mixed format (some %f and others %e) requires some
> > strange coding unless there is a weird language which does it automatically. I'm
> > pretty sure that to do it in C or Fortran would be quite hard.
>
> Actually, in C, %g does exactly this. Having said that, I think LDDP is a
> Delphi app, so it uses Pascal, and I don't remember how Pascal does formatting.
>
> --Travis
Ahhh. I'd never heard of %g before now. I'm so used to %f and %e it had never
occured to me that there might be a mixed option. Handy to know as I suspect it
would be helpful in reading files of unknown format.
I'm sure Delphi has some hideous yet totally type-safe system ;)
Tim
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Message has 2 Replies:
 | | Re: number notation in official parts
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| (...) All float specifiers (e, E, f, g, G) are treated identically by the scanf functions. When scanning floats, they always recognize all float formats. One other thing about %g on output is that it automatically strips trailing zeros, which %f (...) (15 years ago, 12-Mar-10, to lugnet.cad.dev)
| | | Re: number notation in official parts
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| (...) Yes, and no, or rather, maybe. In Delphi you would do something like Write(Format('%g', [Value])); i.e more or less the same format strings as in C. But, it is type-safe at runtime :-) (15 years ago, 12-Mar-10, to lugnet.cad.dev)
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