| #### D.13.2.31 isLatticeEmpty Procedure from library `polymake.lib` (see polymake_lib). Usage: isLatticeEmpty(p); p polytope Return: 1, if p contains no lattice points other than the vertices; 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]=
    1,1,0,
    1,1,1,
    1,0,1,
    1,0,0;
    polytope p = polytopeViaPoints(M);
    isLatticeEmpty(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/
    ==>
    ==> polymake:  WARNING: rule latte.integer_points: N_LATTICE_POINTS : CONE_AM\
       BIENT_DIM, CONE_DIM, FACETS | INEQUALITIES failed: can't parse output fro\
       m LattE's 'count'
    ==> polymake:  WARNING: rule latte.integer_points: N_LATTICE_POINTS : CONE_AM\
       BIENT_DIM , VERTICES failed: can't parse output from LattE's 'count'
    ==> polymake:  WARNING: rule latte.ehrhartpoly: LATTICE, EHRHART_POLYNOMIAL_C\
       OEFF : CONE_AMBIENT_DIM, FACETS | INEQUALITIES failed: could not parse ou\
       tput from latte at /usr/share/polymake/apps/polytope/rules/latte.rules li\
       ne 231.
    ==> 1
    intmat N[4][3]=
    1,1,0,
    1,2,1,
    1,0,1,
    1,0,0;
    polytope q = polytopeViaPoints(N);
    isLatticeEmpty(q);
    ==> polymake:  WARNING: rule latte.integer_points: N_LATTICE_POINTS : CONE_AM\
       BIENT_DIM, CONE_DIM, FACETS | INEQUALITIES failed: can't parse output fro\
       m LattE's 'count'
    ==> polymake:  WARNING: rule latte.integer_points: N_LATTICE_POINTS : CONE_AM\
       BIENT_DIM , VERTICES failed: can't parse output from LattE's 'count'
    ==> polymake:  WARNING: rule latte.ehrhartpoly: LATTICE, EHRHART_POLYNOMIAL_C\
       OEFF : CONE_AMBIENT_DIM, FACETS | INEQUALITIES failed: could not parse ou\
       tput from latte at /usr/share/polymake/apps/polytope/rules/latte.rules li\
       ne 231.
    ==> 0

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