[[Imported from SVN: r963]]

[[Imported from SVN: r962]]

Ist noch nicht ausführlich getestet (wie alles hier), liefert
aber erst mal ähnliche Ergebnisse wie CG

[[Imported from SVN: r961]]

[[Imported from SVN: r960]]

[[Imported from SVN: r959]]

Then the Domain and Range, which are DiscreteFunctions and by default the
same. All applications using this operator has swap the template
arguments.

[[Imported from SVN: r958]]

DiscreteOperatorDefault. This means that all DiscreteOperators written and
inherited from DiscreteOperatorDefault can use the operator +
functionality of combining two operators by combining thier local operators.
Also the sotrage of the new created local operators is provided now.

[[Imported from SVN: r957]]

[[Imported from SVN: r956]]

[[Imported from SVN: r955]]

[[Imported from SVN: r954]]

[[Imported from SVN: r953]]

[[Imported from SVN: r952]]

ilu0 preconditioner can now be used

[[Imported from SVN: r951]]

[[Imported from SVN: r950]]

with up to microsecond-resolution (and doesn't need the HZ or CLK_TCK
define)

[[Imported from SVN: r949]]

system/libc-functions. You wouldn't normally catch this :)

[[Imported from SVN: r948]]

[[Imported from SVN: r947]]

[[Imported from SVN: r946]]

[[Imported from SVN: r945]]

[[Imported from SVN: r944]]

[[Imported from SVN: r943]]

[[Imported from SVN: r942]]

[[Imported from SVN: r941]]

[[Imported from SVN: r940]]

[[Imported from SVN: r939]]

[[Imported from SVN: r938]]

[[Imported from SVN: r937]]

use for time calculation. Now the method returns user+sys time which is the
time the process really needed. This time should be equal for diffrent  run
on the same machine, not depending on how busy the machine is.

[[Imported from SVN: r936]]

[[Imported from SVN: r935]]

[[Imported from SVN: r934]]

QuadratureImp --> Quadrature.

Wer sich jetzt noch beschwert, macht die Änderungen selbst :).

[[Imported from SVN: r933]]

[[Imported from SVN: r932]]

[[Imported from SVN: r931]]

Further more adaption seems to work.

[[Imported from SVN: r930]]

[[Imported from SVN: r929]]

[[Imported from SVN: r928]]

[[Imported from SVN: r927]]

[[Imported from SVN: r926]]

[[Imported from SVN: r925]]

[[Imported from SVN: r924]]