Floating point numbers

[Chris Ditri]

Hi David,

That is very cool!  It doesn't bother me if it is normal :0).

But, I did not use %d, here is the line I was using:
spamicity_formats = %6.2e, %6.2e, %0.6f

(Which is just the one that comes in bogofilter.cf.example.)

Specifically, what I was getting was this:  spamicity=1.08e-02

Currently, I am back to:
spamicity_formats = %0.6f, %0.6f

Is this normal?

Chris







On Monday 05 May 2003 07:39 am, David Relson wrote:
> At 12:03 PM 4/30/03, Chris Ditri wrote:
> >Hi...
> >
> >I Just installed .12.2 and I am getting scientific notion in my X-bogosity
> >headers.
> >
> >You guys know about this?
> >
> >I am afraid of how this will affect the filtering process.   Anything we
> > can do to fix this?
> >
> >
> >Thanks,
> >
> >Chris
>
> Chris,
>
> Bogofilter's output formatting has the ability to display spamicity using
> fixed point, e.g. 0.123456, or as floating point, e.g. 1.23e-02.  I find
> the floating point to be useful with Robinson-Fisher since values are often
> _very_ close to 0.000000 or to 1.000000.
>
> By "very close", I mean that they can be within 1e-6, 1e-10, or even
> closer.  Such close values would display as 0.000000 or 1.000000 (depending
> on whether it's ham or spam).  Bogofilter's "%d" formatting option takes
> values below 0.001 or above 0.999, computes the difference from 0.000000
> (for ham) or from 1.000000 (for spam) and prints the result using floating
> point.
>
> Bogofilter's formatting uses "%p" for fixed point probabilities and uses
> "%d" for a floating point (delta) display.
>
> The default setup is to used fixed point ("%p"), rather than floating point
> ("%d").  Unless something is radically wrong, bogofilter.cf.example has
> "%p" in the "header_format=" line.
>
> What do you have in your config file for that option?  Look whether you
> have "%p" or "%d".  Probably you have "%d" and you want "%p".
>
> David
>
>
>
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