Singular Manual: nBoundaryLatticePoints

| #### D.13.2.46 nBoundaryLatticePoints Procedure from library `polymake.lib` (see polymake_lib). Usage: nBoundaryLatticePoints(p); p polytope Assume: isBounded(p)==1 Return: int, the number of lattice points in the relative boundary of p Example:
    LIB "polymake.lib";
    ==> Welcome to polymake version
    ==> Copyright (c) 1997-2015
    ==> 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);
    nBoundaryLatticePoints(p);
    ==> polymake:  WARNING: rule latte.integer_points: N_INTERIOR_LATTICE_POINTS \
       : CONE_AMBIENT_DIM, CONE_DIM, FACETS | INEQUALITIES failed: can't parse o\
       utput 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.
    ==> 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/
    ==>
    ==> 9
    intmat N[2][3]=
    1,2,0,
    1,0,2;
    polytope q = polytopeViaPoints(N);
    nBoundaryLatticePoints(q);
    ==> polymake:  WARNING: rule latte.integer_points: N_INTERIOR_LATTICE_POINTS \
       : CONE_AMBIENT_DIM, CONE_DIM, FACETS | INEQUALITIES failed: can't parse o\
       utput 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.
    ==> 2

User manual for Singular version 4-1-3p2, 2020, generated by texi2html.