Speed-up of model DPL94.
task #7793: (https://gna.org/task/?7793) Speed-up of dispersion models.
Change in speed is:
test_dpl94_data_to_dpl94 19.412s -> 4.427s
Authored by: tlinnet 2014-05-19
Parent: [r23228]
Child: [r23230]
