Hi Tom and Chris,
Thanks for your detailed guidance on this. I'll try this out.
Bob
On Mon, Oct 7, 2013 at 9:49 PM, KB3CS - Chris <kb...@arrl.net> wrote:
> $ git diff v3.6.3 HEAD gr-filter/lib/firdes.cc (but modified since you
> remain @ v3.6.3)
>
> diff --git a/gr-filter/lib/firdes.cc b/gr-filter/lib/firdes.cc
> index 5c3320d..d55a4ba 100644
> --- a/gr-filter/lib/firdes.cc
> +++ b/gr-filter/lib/firdes.cc
> @@ -746,6 +746,7 @@ namespace gr {
> case WIN_RECTANGULAR:
> for(int n = 0; n < ntaps; n++)
> taps[n] = 1;
> + break;
>
> case WIN_HAMMING:
> for(int n = 0; n < ntaps; n++)
> @@ -774,16 +775,13 @@ namespace gr {
> double IBeta = 1.0/Izero(beta);
> double inm1 = 1.0/((double)(ntaps));
> double temp;
> - //fprintf(stderr, "IBeta = %g; inm1 = %g\n", IBeta, inm1);
>
> - for(int i=0; i<ntaps; i++) {
> - temp = i * inm1;
> - //fprintf(stderr, "temp = %g\n", temp);
> - taps[i] = Izero(beta*sqrt(1.0-temp*temp)) * IBeta;
> - //fprintf(stderr, "taps[%d] = %g\n", i, taps[i]);
> - }
> + for(int i= 0; i<ntaps; i++) {
> + temp = 2*i*inm1 - 1;
> + taps[i] = Izero(beta*sqrt(1.0-temp*temp)) * IBeta;
> + }
> }
> - break;
> + break;
>
> default:
> throw std::out_of_range("firdes:window: type out of range");
> @@ -804,7 +802,7 @@ namespace gr {
> throw std::out_of_range("firdes check failed: 0 < fa <=
> sampling_freq / 2");
>
> if(transition_width <= 0)
> - throw std::out_of_range("gr_dirdes check failed: transition_width
> > 0");
> + throw std::out_of_range("gr_firdes check failed: transition_width
> > 0");
> }
>
> void
>
> .. but don't make the #include file changes in your v3.6.3 and you should
> change the version number (VERSION_INFO_MAINT_VERSION) in CMakeLists.txt
>
>
_______________________________________________
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
