Re: [Lilypond-auto] Issue 4468 in lilypond: stencil-integrate.cc: root out "slopes"

[lilypond]

Updates:
        Status: Fixed
        Labels: -Patch-push Fixed_2_19_23

Comment #9 on issue 4468 by address@hidden: stencil-integrate.cc: root  
out "slopes"
https://code.google.com/p/lilypond/issues/detail?id=4468

Well, I trust myself.  I ran all the files manually and compared manually.   
It would just have been more convincing to any other reviewers of the  
regtest differences if the skylines would have been there.  But frankly, I  
don't think there were any but you and me.

Pushed to staging as
commit 33e433beb994aaa770c552e714ae83823dfe3300
Author: David Kastrup <address@hidden>
Date:   Tue Jun 30 07:48:24 2015 +0200

    stencil-integrate.cc: wrap several overfull lines

commit 5ce3603640c820f4f18c3e0e32631d158e14fa72
Author: David Kastrup <address@hidden>
Date:   Tue Jun 30 11:44:50 2015 +0200

    Issue 4468/2: Avoid skyline interruptions at line caps

    Line caps are made to slightly overhang into their corresponding line in
    order to avoid numerics causing a gap.  Such a gap is unlikely to be
    relevant for positioning but is ungainly when using -ddebug-skylines.

commit 8cb9ecce8fe4de67c776603dacc9c7f270b3c8bf
Author: David Kastrup <address@hidden>
Date:   Tue Jun 30 00:04:49 2015 +0200

    Issue 4468/1: stencil-integrate.cc: root out "slopes"

    They are quite unsuitable for the computational geometry performed here.
    Their use rendered the code inefficient, obtuse, and unreliable.

    Contains several other fixes like removing duplicate calculations and
    wrong values.  The C++ <complex> module is no longer used.  It had only
    been used for calculating sin and cos in an obscure manner.

commit f3f291c3c4411f9e73b59bfff94af0be60b43934
Author: David Kastrup <address@hidden>
Date:   Mon Jun 29 10:48:29 2015 +0200

    Robustify Offset::direction and Offset::length


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