Program sfcconjgradmpi | Generic conjugate-gradient solver for linear inversion.
[SYNOPSIS]
sfcconjgradmpi mod=mod.rsf x0=x0.rsf niter=1
[COMMENTS]

In this version, the linear operator program uses --input and --output instead of stdin and stdout.

[PARAMETERS]
file    | mod | = |   | 	auxiliary input file name
int     | niter | =1 |   | 	number of iterations 
string  | x0 | = |   | 	auxiliary input file name
[DIRECTORY]
system/main
