So how would you represent this expression so that it evaluates as floating point: As the "Delay" variable in a delay block: Phase * (SampleRate/360)
On Tue, Jan 22, 2019 at 5:59 AM david vanhorn <kc6...@gmail.com> wrote: > Nope. > > 1/Averaging evaluates to zero. > 1/Averaging. (trailing period) does not evaluate, either in the Moving > Average parameters, or as a separate variable. > > > On Mon, Jan 21, 2019 at 11:00 PM Cinaed Simson <cinaed.sim...@gmail.com> > wrote: > >> 1/5 is zero using integer division in python. >> >> Try using float division >> >> 1/4000. >> 1/5. >> >> -- Cinaed >> >> >> On 1/21/19 4:41 PM, david vanhorn wrote: >> > The docs say that I need to set Scale to the inverse of the Length. >> > Ok, I interpret that as Length = 4000 and Scale = 1/4000 >> > The docs here: >> > >> https://www.gnuradio.org/doc/doxygen/classgr_1_1blocks_1_1moving__average__ff.html >> > says that Scale is a float. >> > >> > The discussion here clearly shows Scale working for values <1 and >0 >> > >> https://lists.gnu.org/archive/html/discuss-gnuradio/2016-01/msg00084.html >> > >> > If I enter a scale value by hand, like 0.2, then I see 200m which is >> > what I expect. >> > If I enter a scale value as (1/5) then I see 0. >> > If I set a variable called "Scale" = (1/) and enter "Scale" in the Scale >> > field of the moving average, it evaluates to 0. >> > >> > >> > When I enter the values in the block, it looks like scale is an int, >> > which makes 1/4000 or indeed 1/(>1) problematic in that it always >> > evaluates to zero, which kinda breaks things. >> > When I enter 1/2 I get "0" >> > >> > When I hover over the field to enter Scale, I get Type Real. >> > >> > I have the input and output of my integrator connected to a QT GUI Time >> > Sink, and while the input waveform is what I expect, if I have any <1 >> > Scale parameter, the output is 0. >> > >> > >> > Is something broken here, or is it me? >> > I've not had any problems using simple math in any of the other fields >> > where appropriate. >> > >> > >> > -- >> > K1FZY (WA4TPW) SK 9/29/37-4/13/15 >> > >> > _______________________________________________ >> > Discuss-gnuradio mailing list >> > Discuss-gnuradio@gnu.org >> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> > >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> > > > -- > K1FZY (WA4TPW) SK 9/29/37-4/13/15 > -- K1FZY (WA4TPW) SK 9/29/37-4/13/15
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