[[Imported from SVN: r5613]]

[[Imported from SVN: r5612]]

[[Imported from SVN: r5609]]

[[Imported from SVN: r5608]]

[[Imported from SVN: r5607]]

[[Imported from SVN: r5606]]

[[Imported from SVN: r5604]]

[[Imported from SVN: r5603]]

[[Imported from SVN: r5599]]

[[Imported from SVN: r5598]]

[[Imported from SVN: r5597]]

[[Imported from SVN: r5596]]

[[Imported from SVN: r5595]]

[[Imported from SVN: r5594]]

[[Imported from SVN: r5593]]

[[Imported from SVN: r5592]]

[[Imported from SVN: r5590]]

[[Imported from SVN: r5589]]

[[Imported from SVN: r5588]]

distance.

Thanks to the guys of statoilHydro for trying istl with
-D_GLIBCXX_DEBUG which gave a hint that somewhere was a bug.

[[Imported from SVN: r5585]]

[[Imported from SVN: r5581]]

[[Imported from SVN: r5579]]

pointing this out.)

[[Imported from SVN: r5578]]

Otherwise on some 64bit platforms we run into trouble.

[[Imported from SVN: r5576]]

Fixed parmetis check. Parmetis is only enanbled if the correct
CPPFLAGS are used (just like MPI).

[[Imported from SVN: r5573]]

[[Imported from SVN: r5572]]

[[Imported from SVN: r5571]]

Made tuple_writer available and added a delimiter argument.

[[Imported from SVN: r5570]]

[[Imported from SVN: r5566]]

[[Imported from SVN: r5556]]

[[Imported from SVN: r5555]]

[[Imported from SVN: r5554]]

[[Imported from SVN: r5553]]

[[Imported from SVN: r5552]]

[[Imported from SVN: r5551]]

[[Imported from SVN: r5550]]

Note that the current implementation of the determinant is rather
subobtimal.  While it is rather efficient, it is neither the most
numerically stable way to compute the determinant, nor does it work
for integers.  But I think it is much better than no implementation at
all.

[[Imported from SVN: r5549]]

[[Imported from SVN: r5548]]

[[Imported from SVN: r5545]]

[[Imported from SVN: r5544]]