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Simultaneous notes yield "programming error"


From: Joel C. Salomon
Subject: Simultaneous notes yield "programming error"
Date: Thu, 1 Sep 2016 23:57:52 -0400

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

Attachment: programming_error.ly
Description: Text Data


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