Program sftrisolver | Tridiagonal matrix solver using chasing method
[SYNOPSIS]
sftrisolver < in.rsf rhs=rhs.rsf > out.rsf verb=n
[COMMENTS]
Ax=d-> LUx=d -> Ly=d -> Ux=y -> x

[PARAMETERS]
file    | rhs | = |   | 	auxiliary input file name
bool    | verb | =n |  [y/n] | 	
[DIRECTORY]
user/chenyk
