Kristof Bastiaensen writes:

> Hi, how can I subtract two moments in scheme?

#(define (ly:sub-moment a b)
  (ly:add-moment a (ly:mul-moment b (ly:make-moment -1 1))))

#(display (ly:sub-moment (ly:make-moment 4 1) (ly:make-moment 3 1)))

> Isn't there a function (ly:moment-sub moment1 moment2)?

Currently not.

Jan.

-- 
Jan Nieuwenhuizen <[EMAIL PROTECTED]> | GNU LilyPond - The music typesetter
http://www.xs4all.nl/~jantien       | http://www.lilypond.org


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