Re: Release candidate for Qhull 2012.1

[Dmitri A. Sergatskov]

On Sun, Jan 29, 2012 at 7:38 PM, Ben Abbott <address@hidden> wrote:

> On Matlab ...
>
> cube = [0 0 0;1 0 0;1 1 0;0 1 0;0 0 1;1 0 1;1 1 1;0 1 1];
> [h, v] = convhulln (cube);
>
> h =
>
>     3     4     2
>     2     4     1
>     6     2     1
>     5     6     1
>     4     8     1
>     8     5     1
>     7     3     2
>     6     7     2
>     7     4     3
>     7     8     4
>     7     6     5
>     8     7     5
>
>
> v =
>
>     1
>
> [h, v] = convhulln (cube, {'Qt'})
>
> h =
>
>     3     4     2
>     2     4     1
>     6     2     1
>     5     6     1
>     4     8     1
>     8     5     1
>     7     3     2
>     6     7     2
>     7     4     3
>     7     8     4
>     7     6     5
>     8     7     5
>
> v =
>
>     1
>
> I get the same with Octave (tip below) on MacOSX 10.7.2 (Lion).
>
> $ hg tip
> changeset:   14282:b4d7de953066
> tag:         tip
> user:        Michael Goffioul <address@hidden>
> date:        Sun Jan 29 12:53:05 2012 +0000
> summary:     Export more required symbols [Win32].
>
> Does Fedora really return a 6x4 matrix for the first test?
>
> Ben
>

octave:1> cube = [0 0 0;1 0 0;1 1 0;0 1 0;0 0 1;1 0 1;1 1 1;0 1 1];
octave:2> [h, v] = convhulln (cube);
octave:3> h
h =

   4   1   2   3
   5   6   2   1
   8   5   1   4
   6   7   3   2
   7   8   4   3
   8   7   6   5

Fedora 16 x86_64, octave 3.6.0, qhull 2003.1

Dmitri.
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