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]]

- supports operator concept, i.e. you can use e.g. CG with on-the-fly operators
  and preconditioners
- supports parallel preconditioners

[[Imported from SVN: r923]]

[[Imported from SVN: r922]]

[[Imported from SVN: r921]]

[[Imported from SVN: r920]]

should be included.

[[Imported from SVN: r919]]

[[Imported from SVN: r918]]

[[Imported from SVN: r917]]

[[Imported from SVN: r916]]

[[Imported from SVN: r915]]

[[Imported from SVN: r914]]

[[Imported from SVN: r913]]

[[Imported from SVN: r912]]

[[Imported from SVN: r911]]

[[Imported from SVN: r910]]