{version = 1.05; (* of difint.p 1996 October 24}
(* begin module describe.difint *)
(*
name
difint: differences between integers
synopsis
difint(input: in, output: out);
files
input: a set of integers, one per line.
Lines that begin with "*" are ignored.
output: the difference between each integer and the previous one.
describe
Lines that begin with an asterisk ('*') are first copied to the output.
then the difference between each integer in input and the previous one is
given to the output.
author
Thomas Dana Schneider
technical notes
The program originally acted as if the integer before the first one is zero,
but this creates artifacts. The initial data point is now dropped. However,
data often comes separate into chunks. This is marked by the comments.
So the program resets everytime there is a comment line.
bugs
none known
*)
(* end module describe.difint *)
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