Reg : gr_adaptive_fir_ccc & adaptive_fir_ccc_impl

GNU Radio
1

I saw two types of adaptive filter files and headers.

One is gnuradio/gnuradio-core/src/lib/filter/gr_adaptive_fir_ccc.cc
with
header gr_adaptive_fir_ccc.h

While another is /gnuradio/gr-filter/lib/adaptive_fir_ccc_impl.cc with
header adaptive_fir_ccc_impl.h

So what is the difference between the two.

I noticed that for the second one there are no swig files. Is it used or
obsolete. I am not able to get its documentation as I got for the first
one
at
http://gnuradio.org/doc/doxygen/classgr__adaptive__fir__ccc.html#detailshttp://
http://gnuradio.org/doc/doxygen/classgr__adaptive__fir__ccc.html#detailshttp://

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2

On Wed, Oct 10, 2012 at 5:52 PM, sumitstop
[email protected] wrote:

I noticed that for the second one there are no swig files. Is it used or
obsolete. I am not able to get its documentation as I got for the first one
at
http://gnuradio.org/doc/doxygen/classgr__adaptive__fir__ccc.html#detailshttp://

http://gnuradio.org/doc/doxygen/classgr__adaptive__fir__ccc.html#detailshttp://

In many cases where we have functionality that we might want to use
other than as a GNU Radio block, we create an implementation class,
which we then create a gr_ class that wraps around this to bring the
implementation into an actual gr_block. So in this case, both are
valid, but one is a gr_block the other is the algorithm used inside of
the gr_block.

Tom

3

Ohh … got it … that’s why I couldn’t find swig files for
adaptive_fir_ccc_impl !!

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