add subroutine compute_cylindrical_shell_histogram
add subroutine compute_cylindrical_shell_histogram

pdebuyl/RMPCDMD,laurensdeprez/RMPCDMD,pdebuyl-lab/RMPCDMD,pdebuyl/RMPCDMD,pdebuyl-lab/RMPCDMD,laurensdeprez/RMPCDMD