>I just pushed a branch to my github repo called iir_filter that
>implements the optional argument to the IIR filter as we discussed.
>The default is oldstyle=True and doesn't change any behavior. If you
>set this to False, you can directly copy taps from programs like
>gr_filter_design (the new version not yet integrated into GNU Radio).
>Comments, questions, etc.? If no one sees a problem with this, I'll
>merge it into next.
Tried a few IIR filters using iir_filter branch with taps copied from gr_filter_design (in GRC). Works fine! :).