Program sfpchain1 | Nonstationary Prony by chain of PEFs - linear operator 
[SYNOPSIS]
sfpchain1 < inp.rsf pef=pef.rsf sig=sig.rsf > out.rsf adj=n
[PARAMETERS]
bool    | adj | =n |  [y/n] | 	adjoint flag 
file    | pef | = |   | 	auxiliary input file name
file    | sig | = |   | 	auxiliary input file name
[DIRECTORY]
user/fomels
