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D.16.2.32 nBoundaryLatticePoints

Syntax:
Polymake::nBoundaryLatticePoints( polytope p )
Assume:
p bounded.
Type:
int
Purpose:
the number of 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::nBoundaryLatticePoints(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
==> 
==> polymake:  WARNING: rule latte.integer_points: N_LATTICE_POINTS : CONE_AM\
   BIENT_DIM , FACETS | INEQUALITIES failed: can't parse output from LattE's\
    'count'
==> polymake:  WARNING: rule latte.integer_points: N_INTERIOR_LATTICE_POINTS \
   : CONE_AMBIENT_DIM , FACETS | INEQUALITIES , CONE_DIM failed: can't parse\
    output from LattE's 'count'
==> 9
  intmat N[2][3]=1,2,0, 1,0,2;
  polytope q = polytopeViaPoints(N);
  Polymake::nBoundaryLatticePoints(q);
==> polymake:  WARNING: rule latte.integer_points: N_INTERIOR_LATTICE_POINTS \
   : CONE_AMBIENT_DIM , FACETS | INEQUALITIES , CONE_DIM failed: can't parse\
    output from LattE's 'count'
==> 2