Hello,
On Wed, 18 Apr 2018 15:42:42 -0700, Aaron Hill <[email protected]> wrote:
> I encountered this when typesetting a piece that needs fairly wide
> stanza markings. One piece worked fine, while another failed with
> "mis-predicted force" errors. While reducing the repro, it seemed the
> main difference was the presence of an invisible bar line (i.e. \bar "")
> earlier in the score along with some wide lyrics. Without that bar line
> present or by narrowing the stanza marking, the piece that had failed no
> longer reported any errors.
>
> For reference, I am using version 2.19.80 (MinGW) on Windows 10 Pro
> 64-bit (16299.371).
>
> Here is a minimal repro using a simple lyric instead of a stanza
> marking:
>
> %%%%
> % The combination of an invisible bar line and a wide lyric produces:
> % "programming error: mis-predicted force, 108.120472 ~= 108.482555"
> \version "2.19.80"
> { r2 \bar "" c'2 } \addlyrics { "mmmmmm" }
> %%%%
>
> The only references I could find to "mis-predicted force" are in
> relation to an issue regarding grace notes and possible floating-point
> arithmetic issues in the Windows/MinGW build. Presuming this is
> related, here is hoping this repro can help shed some light on the
> underlying issue.
While not very helpful to you personally, it maybe a useful point of reference
for the other devs in that I can compile this without issue using latest
current master (2.21.0) on Ubuntu 16.10.
Regards
James
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