Re: Issue 1009 in lilypond: \transpose causes crash (std::logic_error)

[lilypond]

Comment #4 on issue 1009 by n.puttock: \transpose causes crash  
(std::logic_error)
http://code.google.com/p/lilypond/issues/detail?id=1009

I don't get an exception under Ubuntu 9.10 x64, but the warning message is  
a bit weird:

warning: transposition by b��' makes alteration larger than double

The garbled pitch string changes each time the snippet's compiled, which is  
hardly
surprising when you look in pitch.cc and see that trying to convert  
Rational (-3/2)
into a valid alteration results in a memory access outside the array  
holding the
alteration strings (the index is -2).

We have a private method Pitch::normalize (), which ensures valid octaves  
and
alterations; why don't we use it in this case (even if it has to be made  
public)?



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