Program sfspline | 1-D cubic spline interpolation.
[SYNOPSIS]
sfspline < in.rsf > out.rsf pattern=pattern.rsf fp= sort=n
[COMMENTS]

Specify either n1= o1= d1= or pattern=

[PARAMETERS]
floats  | fp | = |   | 	end-point derivatives  [2]
string  | pattern | = |   | 	auxiliary input file name
bool    | sort | =n |  [y/n] | 	if y, the coordinates need sorting 
[DIRECTORY]
system/generic
