Re: [Discuss-gnuradio] python manual little errors

[Ben Reynwar]

Yes, you're correct.  Thanks for pointing this error in the documentation out.

On Wed, Apr 3, 2013 at 12:35 PM, vegihat vegihat <address@hidden> wrote:
> Hello folks,
>
> i am doing my first steps on gnuradio, and as my first program i added 2
> gr.sig_source_c  using  gr.add_ff.
>
> gr.sig_source_c is a signal generator with gr_complex output, so i used
> gr.add_ff because as you can see in [1] has been written that "Add streams
> of complex values"
>
> but with this setup i take an error "ValueError: itemsize mismatch:
> sig_source_c(1):0 using 8, add_ff(3):0 using 4"
>
> on the other hand if i change gr.add_ff with gr.add_cc or gr.sig_source_c
> with gr.sig_source_f there isn't any error.
>
> In my opinion i think that python manual at this point is not correct (from
> the view of a new user). If i miss something or i am wrong please let me
> know. If i am right , i think that "gnuradio.gr.add_ff Add streams of
> complex values." should be changed to "gnuradio.gr.add_ff Add streams of
> float values" and "gnuradio.gr.add_cc output = sum (input_0, input_1, ...)"
> should be changed to "gnuradio.gr.add_cc Add streams of complex values"
>
> --vg
>
> [1] http://gnuradio.org/doc/sphinx/gr/math_blk.html#gnuradio.gr.add_ff
>
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