Another math domain checking, if ref intensity is set to 0.0, then points are skipped, rather than raising an Error.
This can happen for extremely bad dispersion data.
Task #7826 (https://gna.org/task/index.php?7826): Write an python class for the repeated analysis of dispersion data.
Authored by: tlinnet 2014-09-16
Parent: [r25857]
Child: [r25859]
