V401: Find Compatible Node-Nets in an Incompatibility Graph

Author(s): A. Regl Library: MATHLIB
Submitter: H. Grote Submitted: 01.02.1974
Language: Fortran Revised: 15.09.1978

GRAPH finds all compatible sets of events (nodes) in an incompatibility graph (in which incompatible events or nodes are connected). It is useful, for example, in track-matching programs for eliminating spurious tracks.

On each call, one compatible node-set is returned. The user may decide in the first call whether the solutions should be evaluated over the whole graph or subgraph by subgraph. Indications on "end-of-graph" and, if applicable, "end-of-subgraph" are given.

Structure:

SUBROUTINE subprogram
User Entry Names: GRAPH
Internal Entry Names: PGRAPH, GETBIT, SETBIT, TUP, IGET, TREVNI
External References:
JBIT,SBIT,JBYT, SBYT,
UFILL,UZERO
@l COMMON

Usage:

See Long Write-up.
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Michel Goossens Wed Jun 5 09:25:38 METDST 1996