Christian Müller a écrit :
> I never succeeded running a "mvn clean install" on an IBM sdk. Can anybody
> notify me if we succeed with sun java 6. Afterwards I will try it with the
> ibm sdk (necessairy for all users running geotools/geoserver in Websphere or
> using geotools on AIX, Linux/ppc or Linux/zOs)
The build fails not only on Java 6, but also on different processors (AMD
versus
Intel). In the referencing code, it sound like that AMD/Intel or Java 5/6
produce slightly different results in some corner cases of floating points
calculations, like in "atan(eps1) / sqrt(eps2)" where "eps" are small values.
In practice, the concequence is that when the projection result looks like
(90°N, x°E), the value of x varies greatly between Java version and processors
(same at 90°S). We can ignore totally the value of x in the special case of
90°N
or 90°S, since this is the same point no matter what the longitude is. But the
test suite in GeoTools 2.x was not prepared to this special case.
In Geotidy, I tried to improve the test suite and relaxed the comparaison
threshold for some cases like the above-mentioned one. If you happen to have a
bit of time, would it be possible to download the file "sources.zip" from the
following link:
http://test.geomatys.fr/hudson/job/GeoTidy/
and run "mvn install" on it using IBM dsk please? I would be interrested to
know
about the errors you may get I try to fix them.
Regards,
Martin
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