Swith the looping from spin->frq to frq->spin.
Since the number of dispersion points are the same for all spins, this allows to move the calculation of pA and kex array one level up.
This saves alot of computation.
Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.
Authored by: tlinnet 2014-06-08
Parent: [r23744]
Child: [r23746]