Re: printf scientific notation?
| From: | Richard Lynch | Date: | Fri, 05 Oct 2001 05:09:02 +0000 |
| Subject: | Re: printf scientific notation? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-70025@lists.php.net to get a copy of this message | ||
You could roll your own...
% and (int) / and round() are all you need.
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----- Original Message -----
From: Bill Rausch <bill@numerical.com>
Newsgroups: php.general
To: <php-general@lists.php.net>
Sent: Wednesday, October 03, 2001 10:40 AM
Subject: printf scientific notation?
> I'll try this again, with a new topic and a better description.
>
> Can PHP print floating point numbers using scientific notation?
> (like 1.32e+5) sscanf reads them ok using %f, but I'd like to print
> them with %e or %g and the printf documentation doesn't mention them.
>
> I've tried %e anyway and it fails to print the exponent part.
>
> I've looked at the source code to PHP a little but with the IFDEFs
> I'm not sure which routine is actually being used. I sort of have the
> impression it is just calling the C routines directly so the %e and
> %g should work?
>
> Linux (RH 7.1), Apache (1.3.20), PHP (4.0.6)
>
> Thanks.
> --
> Bill Rausch, Software Development, Unix, Mac, Windows
> Numerical Applications, Inc. 509-943-0861 bill@numerical.com