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GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
Project: cocalc-sagemath-dev-slelievre
Views: 418346gap> START_TEST("NormalizInterface: InhomIneq.tst");
#
# Test a Hilbert series with negative shift
#
gap> M := [
> [0, 2, 1],
> [0, -2, 3],
> [2, -2, 3]
> ];
[ [ 0, 2, 1 ], [ 0, -2, 3 ], [ 2, -2, 3 ] ]
gap> InhomIneq := NmzCone(["inhom_inequalities", M, "grading", [[1,0]] ]);
<a Normaliz cone>
gap> NmzHilbertSeries(InhomIneq);
[ 1+t^-1, [ [ 1, 1 ] ] ]
gap> NmzHilbertQuasiPolynomial(InhomIneq);
[ 2 ]
#
gap> STOP_TEST("InhomIneq.tst", 0);