Program sfinttest1 | Interpolation from a regular grid in 1-D. 
[SYNOPSIS]
sfinttest1 < in.rsf > out.rsf coord=crd.rsf nw= same=y kai=4.0 interp=
[COMMENTS]

January 2014 program of the month:
http://ahay.org/blog/2014/01/09/program-of-the-month-sfinttest1/

[PARAMETERS]
file    | coord | = |   | 	auxiliary input file name
string  | interp | = |   | 	interpolation (lagrange,cubic,kaiser,lanczos,cosine,welch,spline,mom) 
float   | kai | =4.0 |   | 	Kaiser window parameter 
int     | nw | = |   | 	interpolator size 
bool    | same | =y |  [y/n] | 	same or different coordinates for each trace 
[DIRECTORY]
system/generic
