#13234: Add Normaliz optional package
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Reporter: novoselt | Owner: tbd
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-5.6
Component: packages | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Andrey Novoseltsev | Merged in:
Dependencies: | Stopgaps:
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Changes (by dimpase):
* status: needs_review => needs_work
Comment:
after installing the spkg, one can call {{{normaliz}}} from Sage's
{{{singular_console()}}}, but results don't always make sense. E.g.
{{{
sage: singular_console()
SINGULAR /
Development
A Computer Algebra System for Polynomial Computations / version
3-1-5
0<
by: W. Decker, G.-M. Greuel, G. Pfister, H. Schoenemann \ Jul 2012
FB Mathematik der Universitaet, D-67653 Kaiserslautern \
> LIB "normaliz.lib";
// ** loaded
/usr/local/src/sage/sage-5.5.rc0/local/share/singular/normaliz.lib $Id$
> ring R=0,(x,y,z,t),dp;
> ideal I=x^2,y^2,z^3;
> list l=intclMonIdeal(I);
> showNuminvs();
hilbert_basis_elements : 2
number_extreme_rays : 2
rank : 2
index : 1
number_support_hyperplanes : 2
size_triangulation : 1
sum_dets : 1
graded : 1
degree_1_elements : 2
grading : 1,-1
grading_denom : 1
multiplicity : 1
multiplicity_denom : 1
hilbert_series_num : 1
hilbert_series_denom : 1,1
primary : 1
ideal_multiplicity : 2
>
}}}
whereas according to [http://www.singular.uni-
kl.de/Manual/latest/sing_1143.htm#SEC1219 Singular docs] the output should
be
{{{
showNuminvs();
==> hilbert_basis_elements : 9
==> number_extreme_rays : 6
==> rank : 4
==> index : 1
==> number_support_hyperplanes : 5
==> homogeneous : 0
==> primary : 1
==> ideal_multiplicity : 12
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13234#comment:10>
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