| From: | Josh Berkus <josh(at)agliodbs(dot)com> |
|---|---|
| To: | Alessandro Baretta <alex(at)baretta(dot)com>, PostgreSQL Novice Mailing List <pgsql-novice(at)postgresql(dot)org> |
| Subject: | Re: Arrays and FFTW |
| Date: | 2002-07-19 16:20:20 |
| Message-ID: | 200207190920.20356.josh@agliodbs.com |
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| Lists: | pgsql-novice |
Alex,
> I am using (trying to...) PGSQL to store a database of
> digital signals. Each signal is a sequence of (signal_id,
> timestamp, double) tuples. I've managed to write resampling
> alogrithms in pl/pgsql, and I don't think it would be hard
> to write autoregressive filters. However, now I'm confronted
> with the need to compute the power spectra of my signals. I
> would like to use FFTW, which is lightning fast on my
> machine. Has anyone already written FFTW bindings for
> PostgreSQL?
I you don't get an answer here, try posting to pgsql-hackers mailing list.
--
-Josh Berkus
Aglio Database Solutions
San Francisco
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