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 > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > _______________________________________________ Discuss-gnuradio mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
