OPM/opm-core — pull request #241 by bska (2013-05-14 08:19:59+00:00)
Title: Always interpret 'ref_pressure' as a double

Otherwise, when specifying (e.g.)

ref_pressure=1.0e-5

(1 Pascal in bars), the value gets reinterpreted as

ref_pressure=1

which is one bar.