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Re: \compoundMeter cannot handle irrational or fractional meters

From: Ralph Palmer
Subject: Re: \compoundMeter cannot handle irrational or fractional meters
Date: Thu, 2 Aug 2012 13:24:40 -0400

On Wed, Aug 1, 2012 at 7:30 AM, Joseph Rushton Wakeling <
address@hidden> wrote:

> Lilypond currently supports simple "irrational meters" like 4/10, 7/6,
> etc. which are used by contemporary composers such as Ferneyhough, Adčs,
> etc.
> However, \compoundMeter cannot handle many of these complex notations.  It
> sometimes fails when an irrational component such as 1/10 is included in
> the compound meter, and fails when a _fractional_ value such as 2/3 is
> included in the compound meter -- as in Boulez' "Le marteau sans maître"
> where there are time signatures such as (4 + 2/3)/8 .
> I've attached 3 minimal examples, 2 which fail with the compound meter but
> compile with the equivalent non-compound irrational meter; and one which
> includes a compound irrational meter that works.

Thank you for your email, Joseph Rushton Wakeling.

I was not sure if this should be an enhancement or a defect in the core
program. I chose enhancement because it seems possible to get the correct
time signature (but not handle the measures?) currently.

This has been submitted as issue 2713 :


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