Lowpass or highpass filter algorhythms needed

[Leo Possajennikov]

In article <4b35i0$dfp at zeus.rbi.informatik.uni-frankfurt.de>,
Ferber at zoology.uni-frankfurt.de (Michael Ferber) wrote:

> FROM: Ferber at zoology.uni-frankfurt.de (Michael Ferber)
>  For some reasons I have to write a program that analyses
electrophysiological 
>  data  sampled with an AD converter. For the analysis of the data it may be 
>  necessary to apply "filters" like lowpass, highpass or highpass filters to 
>  the data. Does anayone have a suggestion where I can find informations on 
>  filtering algorhythms or ready to use functions for this purpose? Also 
>  symbolic code or source codes in c or c++ would be helpful. 
>  Due to the fact that my files are really large (up to several millions of 
>  data points) really fast algorhythms are needed.
>  

Check "Numerical Recipes in C: The Art of Scientific Computing", Second
Edition, Cambridge University Press, 1992. It has source code.

Leo Possajennikov,
Analyst/Programmer,
ADInstruments