On 1/22/19 4:59 AM, david vanhorn 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.
You can't put a "." after a variable. Use 1/float(Averaging) or 1./Averaging -- Cinaed > > > On Mon, Jan 21, 2019 at 11:00 PM Cinaed Simson <cinaed.sim...@gmail.com > <mailto: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 <mailto:Discuss-gnuradio@gnu.org> > > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org <mailto:Discuss-gnuradio@gnu.org> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > -- > 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
