[Kst] RE: Kst Digest, Vol 12, Issue 33

[Barth Netterfield]

OK... how about 2^22 then.  I think I have used up to 2^19 before.

cbn

On April 28, 2004 04:26 pm, Andrew Walker wrote:
> No particular reason. But as no memory checks are done
> on the allocated arrays it seemed sensible to limit the
> size. Or perhaps not. I still believe that at some point
> we have to confirm all memory allocations and fail
> gracefully where necessary.
>
> Andrew
>
> =============================================
>
> Date: Wed, 28 Apr 2004 15:19:33 -0400
> From: Barth Netterfield <netterfield at astro.utoronto.ca>
> Subject: Re: [Kst] kdeextragear-2/kst/kst
> To: kst at kde.org
> Message-ID: <200404281519.33107.netterfield at astro.utoronto.ca>
> Content-Type: text/plain;  charset="utf-8"
>
> Are you limiting the psd to 65536 frequency bins?  If so, why?
>
> cbn
>
> On April 28, 2004 03:09 pm, Andrew Walker wrote:
> > CVS commit by arwalker:
> >
> > The KstPSDCurve constructor is not expecting the length of FFT vector,
> > but instead its log2(length).
> >
> >
> >   M +5 -1      datawizard.ui.h   1.17
> >
> >
> > --- kdeextragear-2/kst/kst/datawizard.ui.h  #1.16:1.17
> > @@ -350,5 +351,8 @@ void DataWizard::finished()
> >            name += "'";
> >          }
> > -        iLength = int(pow(2.0, int(ceil(log(double(xv->length())) /
> > log(2))))); +        iLength = int(ceil(log(double(xv->length())) /
> > log(2.0))); +        if( iLength > 16 ) {
> > +          iLength = 16;
> > +        }
> >          KstBaseCurvePtr c = new KstPSDCurve(name, xv, 1.0, iLength, "",
> > "", KstColorSequence::next()); if (_drawBoth->isChecked()) {
>
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