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Re: Simultaneous notes yield "programming error"


From: Timothy Lanfear
Subject: Re: Simultaneous notes yield "programming error"
Date: Fri, 2 Sep 2016 08:59:59 +0100

See the similar report by me to this list on 6 August and Harm's reply. 

Timothy Lanfear

> On 2 Sep 2016, at 08:38, Simon Albrecht <address@hidden> wrote:
> 
> Hi Joel,
> 
> thanks for the report.
> 
> On the user list, I may have exaggerated my zeal for minimal examples. Here 
> on the bug list, however, they are more strictly required, so the bass clef 
> and bar checks (which I believe are certainly unrelated with the bug – can’t 
> test on Linux) could’ve been left out. Also it will be very much appreciated 
> if you revise your code formatting. Privately, you may do whatever you like, 
> but sharing code requires complying to some conventions such as indenting by 
> two spaces, giving closing brackets or braces their own line if the opening 
> struct also has one &c. See attached.
> 
> And don’t misunderstand me: This is not about my personal preferences, but 
> badly formatted code is an obstacle in understanding it.
> 
> I’ll wait submitting an issue tracker and see if somebody can say some more 
> on what the actual problem is.
> 
> Best, Simon
> 
> 
>> On 02.09.2016 05:57, Joel C. Salomon wrote:
>> Compiling the attached file with LilyPond 2.19.46 on Windows 10 64-bit
>> via Frescobaldi yields:
>> 
>> Starting lilypond-windows.exe 2.19.46 [programming_error.ly]...
>> Processing 
>> `c:/users/chesky/appdata/local/temp/frescobaldi-irr7t1/tmpc362im/programming_error.ly'
>> Parsing...
>> Interpreting music...
>> Preprocessing graphical objects...
>> Interpreting music...
>> MIDI output to `programming_error.mid'...
>> programming error: asked to compute volume at +1.000000 for dynamic
>> span of duration 1.000000 starting at 1
>> continuing, cross fingers
>> programming error: asked to compute volume at +1.000000 for dynamic
>> span of duration 1.000000 starting at 1
>> continuing, cross fingers
>> Finding the ideal number of pages...
>> Fitting music on 1 page...
>> Drawing systems...
>> Layout output to `./tmp-lilypond-XEJJlg'...
>> Converting to `programming_error.pdf'...
>> Deleting `./tmp-lilypond-XEJJlg'...
>> Success: compilation successfully completed
>> Completed successfully in 1.3".
>> 
>> Replacing the << {} \new Voice {} >> structure with << {} \\ {} >>
>> makes this go away; interestingly, simply writing << \new Voice {}
>> \new Voice {} >> still yields the error.
>> 
>> Giving the note immediately following the << >> structure an explicit
>> dynamic (\f, for example) also makes the error disappear.
>> 
>> —Joel C. Salomon
>> 
>> 
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> 
> <programming_error.ly>
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