Include:      irlist.h

Purpose:      typdefs and declarations for lists.

Category:     IRAS

Author:       Do Kester

Description:
	A list is a number of snip.det combinations. The items are floats,
	whose integral part is the sequential snip number and the 
	fractional part is the `true' detector number divided by 100.
	The purpose of the list is either to perform some processing 
	for the items in the list only or for the complement of the list.

	Utilities are present to ask a list from the user, sort it,
	select items which are not in the present band, disjunct or merge
	2 lists, write the contents of a list to the screen/logfile,
	select detectors and decide whether a detector snip should
	be processed.

	irlist.h contains the typedef of struct list_type and the
	declarations of the pertaining utility functions.

Updates:      	04 Jun 1992: DK, Creation of this document
		03 Sep 1992: DK, EPSIL added