Good morning,
@David thank you for the reference to the Guile Manual, and @Urs thank you for your introduction! Bests, Amir lilypond-user-requ...@gnu.org writes: > Send lilypond-user mailing list submissions to > lilypond-user@gnu.org > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.gnu.org/mailman/listinfo/lilypond-user > or, via email, send a message with subject or body 'help' to > lilypond-user-requ...@gnu.org > > You can reach the person managing the list at > lilypond-user-ow...@gnu.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of lilypond-user digest..." > > > Today's Topics: > > 1. Re: Scheme function evluates only once (Urs Liska) > 2. Re: Scheme function evluates only once (David Kastrup) > 3. Re: Scheme function evluates only once (Thomas Morley) > 4. Re: Beams over rests and concaveness (Gilberto Agostinho) > 5. Re: Odd Behaviour: \break after \repeat (David Wright) > 6. partcombine & killCues (Michael Seifert) > 7. Re: partcombine & killCues (Aaron Hill) > 8. Clef change placement (Daniel Rosen) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Thu, 23 Jan 2020 22:46:55 +0100 > From: Urs Liska <li...@openlilylib.org> > To: David Kastrup <d...@gnu.org>, Amir Teymuri <ateymur...@gmail.com> > Cc: lilypond-user <lilypond-user@gnu.org> > Subject: Re: Scheme function evluates only once > Message-ID: > <a1074aa8f31d3e5bc6ef3e1350980ea3a002fb16.ca...@openlilylib.org> > Content-Type: text/plain; charset="UTF-8" > > Hi, > > I intended to write about the same, but when I came back home to switch > the computer back on David had already replied, although in clearer > words than I would have done. > > But let me take the opportunity to introduce you to Amir who I think > has never posted on the LilyPond lists so far. For those who might > phyiscally be able but failed to put a face to his name: he also was in > Salzburg, watching the conference closely. > > For those who weren't there: We are in the lucky position to have Amir > as my "intern" for some time. He is supposed to spend about 4-5 weeks > of full time work with me, for which he'll be "reimbursed" in credit > points equivalent to 1/3 of a semester for his master in music > informatics. He will mostly spend his energy on openLilyLib, presumably > helping with the integration of the extension mechanism into LilyPond > but also working on some specific functionality we haven't decided yet. > Additionally I hope he will integrate a number of functions into > LilyPond that are now in openLilyLib, \shapeII being on top of my > personal wish list. > > He'll start seriously in a few weeks, but an initial pull request and > this question show that he's already started getting familiar with the > matter. > > Best > Urs > > Am Donnerstag, den 23.01.2020, 21:33 +0100 schrieb David Kastrup: >> Amir Teymuri <ateymur...@gmail.com> writes: >> >> > Hi, >> > >> > this is just a nonsense exercise for me to get to know LilyPond >> > better! >> > I can't figure out why in the following the #(rnd-col) is evaluated >> > only >> > once and not upon each compilation of my ly file? The first time i >> > compile this i will get the four colors displayed: >> > >> > (0.5 0.5 0) >> > (0.5 0 1.0) >> > (0.5 0 1.0) >> > (0 0.5 1.0) >> > >> > which however doesn't change in next compilations, so that there is >> > no >> > color change. Can someone explain what am i missing? >> > Thanks >> > >> > >> > %% >> > \version "2.19.83" >> > >> > #(define (rnd-col) (map (lambda (x) (* x 0.5)) (list (random 3) >> > (random 3) (random 3)))) >> > >> > coloredAcc = #(define-music-function () () >> > (newline) >> > (display (rnd-col)) >> > #{ >> > \once \override Accidental.color = #(rnd-col) >> > #}) >> > >> > \relative c'' { >> > \coloredAcc cisis >> > \coloredAcc cisis! >> > \coloredAcc cisis! >> > \coloredAcc cisis! >> > } >> > %% >> >> Guile manual: >> >> File: guile.info, Node: Random, Prev: Bitwise Operations, Up: >> Numbers >> >> 6.6.2.14 Random Number Generation >> ................................. >> >> Pseudo-random numbers are generated from a random state object, which >> can be created with ‘seed->random-state’ or ‘datum->random- >> state’. An >> external representation (i.e. one which can written with ‘write’ and >> read with ‘read’) of a random state object can be obtained via >> ‘random-state->datum’. The STATE parameter to the various functions >> below is optional, it defaults to the state object in the >> ‘*random-state*’ variable. >> >> [...] >> >> Note that the initial value of ‘*random-state*’ is the same every >> time Guile starts up. Therefore, if you don’t pass a STATE parameter >> to >> the above procedures, and you don’t set ‘*random-state*’ to >> ‘(seed->random-state your-seed)’, where ‘your-seed’ is something that >> _isn’t_ the same every time, you’ll get the same sequence of “random” >> numbers on every run. >> >> For example, unless the relevant source code has changed, ‘(map >> random (cdr (iota 30)))’, if the first use of random numbers since >> Guile >> started up, will always give: >> >> (map random (cdr (iota 19))) >> ⇒ >> (0 1 1 2 2 2 1 2 6 7 10 0 5 3 12 5 5 12) >> >> To seed the random state in a sensible way for non-security- >> critical >> applications, do this during initialization of your program: >> >> (set! *random-state* (random-state-from-platform)) >> >> >> > > > > > ------------------------------ > > Message: 2 > Date: Thu, 23 Jan 2020 23:11:30 +0100 > From: David Kastrup <d...@gnu.org> > To: Urs Liska <li...@openlilylib.org> > Cc: Amir Teymuri <ateymur...@gmail.com>, lilypond-user > <lilypond-user@gnu.org> > Subject: Re: Scheme function evluates only once > Message-ID: <874kwlhlgt....@fencepost.gnu.org> > Content-Type: text/plain > > Urs Liska <li...@openlilylib.org> writes: > >> Hi, >> >> I intended to write about the same, but when I came back home to switch >> the computer back on David had already replied, although in clearer >> words than I would have done. > > Since I only quoted the Guile manual, any clarity has to be credited to > the people writing that section. > > -- > David Kastrup > > > > ------------------------------ > > Message: 3 > Date: Thu, 23 Jan 2020 23:20:47 +0100 > From: Thomas Morley <thomasmorle...@gmail.com> > To: Urs Liska <li...@openlilylib.org> > Cc: David Kastrup <d...@gnu.org>, Amir Teymuri <ateymur...@gmail.com>, > lilypond-user <lilypond-user@gnu.org> > Subject: Re: Scheme function evluates only once > Message-ID: > <cabsfgyxoc4fdxx1kkzwiyq6wbjx2ufjykg+jr0a21+m3cm_...@mail.gmail.com> > Content-Type: text/plain; charset="UTF-8" > > Am Do., 23. Jan. 2020 um 22:47 Uhr schrieb Urs Liska <li...@openlilylib.org>: > >> But let me take the opportunity to introduce you to Amir who I think >> has never posted on the LilyPond lists so far. > > German Forum? > https://lilypondforum.de/index.php/topic,214.msg1333.html > > Cheers, > Harm > > > > ------------------------------ > > Message: 4 > Date: Thu, 23 Jan 2020 15:28:17 -0700 (MST) > From: Gilberto Agostinho <gilbertohasn...@gmail.com> > To: lilypond-user@gnu.org > Subject: Re: Beams over rests and concaveness > Message-ID: <1579818497518-0.p...@n5.nabble.com> > Content-Type: text/plain; charset=us-ascii > > Hi Carl, > > Thank you so much for the reply, I will report this in the bugs subforum. > Also, thanks for the workaround, I will use it for the moment being. > > Best, > Gilberto -- Amir Teymuri