#39 Some auto-tests fail when NOERASE file is present

[Anonymous]

Originally created by: wdobler@gmail.com
Originally owned by: wdobler@gmail.com

cd samples/meissner
touch NOERASE
pc_auto-test .

will fail (wrong results).
This is a double-precision test and some other tests in this class may
fail, too. The difference is of the order 1e-7, so maybe we are reading in
some parameter at single precision when it should be double precision.