Re: [Monotone-devel] Re: Bug in monotone lca

[Florian Weimer]

* Wim Oudshoorn:

> However in that case lcad has a bug :-)
>
> Consider the following graph:
>
>                   A
>                  / \
>                 B   C
>                 |  /|
>                 | / E
>                 D   |\
>                 |   F \
>                 |   |  G
>                 |   H  |
>                 |   |  I
>                 \   J  |
>                  \ /   K
>                   L
>
> monotone lcad L K             // version 0.19
> will return C, not E.

But E doesn't dominate L, so it would be an incorrect choice.  C seems
to be correct for "lcad", and "lca" should give E.