Re: [boost] Statistics code example

From: Neal D. Becker (nbecker_at_[hidden])
Date: 2003-04-03 07:34:26

On Wednesday 02 April 2003 02:57 pm, Paul A. Bristow wrote:
> Sadly (but perhaps not too surpringly) this does not seem to work for MSVC
> 7.0 with complex. (OK without)
>

Could you elaborate?  What didn't work?  Any ideas how to fix?  I don't use 
MSVC.

> A full working example with at least a few comments might sell this better?
>
> Paul
>
> Paul A Bristow, Prizet Farmhouse, Kendal, Cumbria, LA8 8AB  UK
> [phone]   Mobile [phone]
> Mobile mailto:pabristow_at_[hidden]
> mailto:pbristow_at_[hidden]
>
> > -----Original Message-----
> > From: boost-bounces_at_[hidden]
> > [mailto:boost-bounces_at_[hidden]]On Behalf Of Neal D. Becker
> > Sent: Tuesday, April 01, 2003 2:26 PM
> > To: boost_at_[hidden]
> > Subject: [boost] Statistics code example
> >
> >
> > Here is an example of a class that can compute 2nd order stats that will
> > work for either scalar or complex types.
> >
> > It could be made slightly more efficient.  It uses abs(), relying on the
> > "trick" that abs() is defined for both scalar float and complex.  It
> > could be improved by defining our own "norm" function for both scalar
> > float and complex.  (Unfortunately for efficiency, complex norm is
> > defined in terms of abs, which uses sqrt, on at least some systems
> > (libstdc++)).
>
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