Singular Manual: isCompressed

| #### D.13.2.29 isCompressed Procedure from library `polymake.lib` (see polymake_lib). Usage: isCompressed(p); p polytope Return: 1, if p has maximal facet width 1; 0 otherwise Example:
    LIB "polymake.lib";
    ==> Welcome to polymake version
    ==> Copyright (c) 1997-2015
    ==> Ewgenij Gawrilow, Michael Joswig (TU Darmstadt)
    ==> http://www.polymake.org
    intmat M[4][3]=
    1,2,0,
    1,0,1,
    1,2,1,
    1,0,0;
    polytope p = polytopeViaPoints(M);
    isCompressed(p);
    ==> polymake: used package ppl
    ==>   The Parma Polyhedra Library (PPL): A C++ library for convex polyhedra
    ==>   and other numerical abstractions.
    ==>   http://www.cs.unipr.it/ppl/
    ==>
    ==> 0
    intmat N[4][3]=
    1,1,0,
    1,0,1,
    1,1,1,
    1,0,0;
    polytope q = polytopeViaPoints(N);
    isCompressed(q);
    ==> 1

User manual for Singular version 4-1-2p3, 2020, generated by texi2html.