Program sfsnr2 | Compute signal-noise-ratio.
[SYNOPSIS]
sfsnr2 < signal.rsf noise=noise.rsf > snrf.rsf
[COMMENTS]

SNR=10 log10(sum(clean)/sum(noise))

August 2019 program of the month:
http://ahay.org/blog/2019/08/10/program-of-the-month-sfsnr2/

[PARAMETERS]
file    | noise | = |   | 	auxiliary input file name
[DIRECTORY]
user/chenyk
