Made the lib function of CR72 accept the R20A, R20B and dw of the original array.
This is for speed-up.
Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.
Authored by: tlinnet 2014-06-12
Parent: [r23864]
Child: [r23866]
