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D.16.2.1 boundaryLatticePoints

Syntax:
Polymake::boundaryLatticePoints( polytope p )
Assume:
p bounded
Type:
intmat
Purpose:
intmat, whose rows are the lattice points on the relative boundary of p.
Example:
 
LIB"polymake.lib";
==> Welcome to polymake
==> Copyright (c) 1997-2012
==> Ewgenij Gawrilow, Michael Joswig (TU Darmstadt)
==> http://www.polymake.org
intmat M[3][3]=1,2,-1, 1,-1,2, 1,-1,-1;
polytope p = polytopeViaPoints(M);
Polymake::boundaryLatticePoints(p);
==> polymake: used package cddlib
==>   Implementation of the double description method of Motzkin et al.
==>   Copyright by Komei Fukuda.
==>   http://www.ifor.math.ethz.ch/~fukuda/cdd_home/cdd.html
==> 
==> 1,-1,-1,
==> 1,-1,0,
==> 1,-1,1,
==> 1,-1,2,
==> 1,0,-1,
==> 1,0,1,
==> 1,1,-1,
==> 1,1,0,
==> 1,2,-1 
intmat N[2][3]=1,2,0, 1,0,2;
polytope q = polytopeViaPoints(N);
Polymake::boundaryLatticePoints(q);
==> 1,0,2,
==> 1,2,0