Log Message: |
Procedure filtreg_hemisph is always called with sdd2 = 1 / sdd1. It
would not make sense otherwise. I do not like that this does not
appear explicitly in filtreg_hemisph. So replaced the two arguments
sdd1 and sdd2 by a single argument sdd. The cost is computing a
division instead of multplication for every 3-dimensional
position. Besides, this changes the results.
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