|- number of classes of things to order|
|array||- the number of things in each class on this processor|
- the usual processor stuff
offsets - the beginning number for each class on this processor in the global numbering
the number of classes across all the processors
This routine, given a list of totals, finds where we should be numbered. For example, if proc 0 submits a list of 10 and 20 and proc 1 submits a list of 5 and 11 and proc 2 submits a list of 6 and 9, we want to do a tree ordering where proc 0 gets back 5 and 32, proc 1 gets back 0 and 21 and proc 2 gets back 15 and 52.
int BSoffset(int length, int *array, int **offsets, BSprocinfo *procinfo)