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D.13.2.51 nInteriorLatticePoints

Procedure from library polymake.lib (see polymake_lib).

Usage:
nInteriorLatticePoints(p); p polytope

Assume:
isBounded(p)==1

Return:
int, the number of lattice points in the relative interior 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);
nInteriorLatticePoints(p);
==> polymake: used package latte
==>   LattE (Lattice point Enumeration) is a computer software dedicated to t\
   he 
==>   problems of counting lattice points and integration inside convex polyt\
   opes.
==>   Copyright by Matthias Koeppe, Jesus A. De Loera and others.
==>   http://www.math.ucdavis.edu/~latte/
==> 
==> 1
intmat N[2][3]=
1,2,0,
1,0,2;
polytope q = polytopeViaPoints(N);
nInteriorLatticePoints(q);
==> 1


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