Program sfpresum | 
[SYNOPSIS]
sfpresum < Fin.rsf > Fou.rsf verb=n nsum=1
[COMMENTS]
presum traces
Paul Sava
Copyright (C) 2022 Colorado School of Mines

[PARAMETERS]
int     | nsum | =1 |   | 	number of traces to sum 
bool    | verb | =n |  [y/n] | 	verbosity  
[DIRECTORY]
user/psava
