Lucas Nussbaum wrote:

> It seems that the problem is only triggered when building with gcc-4.3
> from i386, and running on an x86_64 CPU. 
[snip]
> 
> I think that there's a bug in sketch, that is always there, but only
> triggered in that specific case (at least with those examples).
Agreed.

> 
> Now, same binary, same system, running inside valgrind:

> ==13605== 
> ==13605== Conditional jump or move depends on uninitialised value(s)
> ==13605==    at 0x804F147: fold_min_max_pt_3d (geometry.c:378)
> ==13605==    by 0x8055061: get_extent_of_line (scene.c:1548)
> ==13605==    by 0x8054F30: xy_overlap_p (scene.c:1637)
> ==13605==    by 0x804BD7E: emit (emit.c:822)
> ==13605==    by 0x8053B8D: main (main.c:99)
> ==13605== 

I get the same valgrind errors on i386, so likely I can track track this down.
The same errors are present in the next upstream version, so no magic solution 
:-)

Thanks for your help

David




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