Re: [griddata]:__delaunay__ function

[Petr Gajdos]

On Tue, Nov 15, 2011 at 11:53:36PM +0100, Martin Helm wrote:
> I found a discussion on this list from 30.08.2011 where builds for mac
> and mingw also have problems with qhull 2011 by giving wrong results
> after compiling octave against it, so it seems to be in general that
> octave is incompatible with qhull6 whatever trick one applies to make it

Look at example I have derived from octave's __delaunayn__.cc.

work/qhull> gcc -o qhull-test qhull-test.c -lqhull -lm
-DQHULL5
qhull-test.c:4:2: warning: #warning qhull5 [-Wcpp]
work/qhull> ./qhull-test
4 20 47 
6 20 29 
2 44 29 
53 35 33 
66 30 56 
25 43 4 
25 41 50 
25 41 43 
98 53 33 
51 35 44 
[...]
work/qhull> gcc -o qhull-test qhull-test.c -lqhull6
-lm 
qhull-test.c:7:2: warning: #warning qhull6 [-Wcpp]
work/qhull> ./qhull-test
work/qhull> 

So there is any output from qhull-test when building against qhull6 in
contrast when building against qhull5.

Maybe it's time to ask qhull upstream, will do next week.

Petr

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