Re: [Discuss-gnuradio] gr_block: history

[Eric Blossom]

On Thu, Jul 27, 2006 at 09:59:16PM +0200, Jens Elsner wrote:
> Hello,
> 
> a quick question regarding gr_block::history() etc.
> 
> Say I've called set_history(2) in the constructor and 
> my work function pointers look like this:
> 
> gr_complex const *in = (const gr_complex *) input_items[0];
> gr_complex *out = (gr_complex *) output_items[0];
> 
> What does "in" point to? Is the item "in" points to already processed,
> as the name history suggests? Or does it just assure that there are at least
> 2 items in "input_items"?
> 
> Jens

set_history impacts the result computed by forecast.  Take a look at
that code.

Eric