Hi Till, What about :
dsBus2int(1) = _; dsBus2int(N) = dsBus2int(N-1) << 1, dsBus2int(1) :> _; Where N is the number of binary signals that you want to combine. Or, if you want to keep the comparison : dsBus2int(1) = >(0); dsBus2int(N) = dsBus2int(N-1) << 1, dsBus2int(1) :> _; Cheers Yann *Yann Orlarey* Directeur scientifique/Scientific director orla...@grame.fr <x...@grame.fr> T : +33 (0) 4 72 07 37 00 GRAME - Centre national de création musicale 11 cours de Verdun Gensoul | 69002 Lyon www.grame.fr | facebook <https://www.facebook.com/Gramelyon/> | instagram <https://www.instagram.com/grame_cncm/> | twitter <https://twitter.com/GRAME_LYON> Le jeu. 16 juil. 2020 à 18:27, Till Bovermann <lf...@lfsaw.de> a écrit : > Hello, > > I'd like to write a custom "inject" function that works on parallel input > streams and turns them into a 1-dim signal (a bit like `sum` or `prod` but > with a custom concatenation function). > > As an example, I made "dsBus2int", which, assuming a parallel > binary-stream (e.g. `(1, 0, 0, 1)`, assembles an integer via a left-shift > operation. > > The current version assumes a fixed input dimensionality (6, in this case): > > ``` > import("stdfaust.lib"); > dsBus2int_6 = si.bus(6) : \(x0, x1, x2, x3, x4, x5).(left_shift((x0, x1, > x2, x3, x4, x5))) with { > left_shift((x, xs)) = left_shift(xs) & ((x > 0) << 1) ; > left_shift(x) = x > 0; > }; > > process = (1, 0, 0, 1, 1, 1) : dsBus2int_6; > ``` > > Now I'd like to write a version that takes an N-dimensional stream (N < > 32) with the interface > > ``` > process = insignal : dsBus2int(N) with { > N = 12; > insignal = si.nus(N); // or something else... > }; > ``` > > What I need to do, is to turn the parallel composed items of `si.bus(N)` > into a list that can be processed by the `left_shift` recursive expression > without the step of explicitly declaring the parameter-list `x0, x1, ...` > in the lambda expression... > > anyone has an idea on how to do that? > > all the best and thanks in advance! > > Till > > > -- > Till Bovermann > > https://tai-studio.org | http://lfsaw.de | > https://www.instagram.com/_lfsaw/ > > > > > > > > > > > > > > _______________________________________________ > Faudiostream-users mailing list > Faudiostream-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/faudiostream-users >
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