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/**************************************************************************
* *
* Regina - A Normal Surface Theory Calculator *
* Computational Engine *
* *
* Copyright (c) 1999-2025, Ben Burton *
* For further details contact Ben Burton (bab@debian.org). *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation; either version 2 of the *
* License, or (at your option) any later version. *
* *
* As an exception, when this program is distributed through (i) the *
* App Store by Apple Inc.; (ii) the Mac App Store by Apple Inc.; or *
* (iii) Google Play by Google Inc., then that store may impose any *
* digital rights management, device limits and/or redistribution *
* restrictions that are required by its terms of service. *
* *
* This program is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <https://www.gnu.org/licenses/>. *
* *
**************************************************************************/
#include "enumerate/hilbertprimal.h"
#include "libnormaliz/cone.h"
namespace regina {
std::vector<std::vector<mpz_class>> HilbertPrimal::normaliz(
const std::vector<std::vector<mpz_class>>& input) {
libnormaliz::Cone<mpz_class> cone(
libnormaliz::Type::integral_closure, input);
libnormaliz::ConeProperties wanted(
libnormaliz::ConeProperty::HilbertBasis);
cone.deactivateChangeOfPrecision();
cone.compute(wanted);
if (! cone.isComputed(libnormaliz::ConeProperty::HilbertBasis))
throw UnsolvedCase("Normaliz was not able to compute the "
"Hilbert basis on a maximal face");
return cone.getHilbertBasis();
}
} // namespace regina
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