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/**************************************************************************
* *
* Regina - A Normal Surface Theory Calculator *
* Python Interface *
* *
* 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 <pybind11/pybind11.h>
#include "enumerate/ordering.h"
#include "maths/matrix.h"
#include "../helpers.h"
#include "../docstrings/enumerate/ordering.h"
using regina::MatrixInt;
using regina::PosOrder;
void addOrdering(pybind11::module_& m) {
RDOC_SCOPE_BEGIN(PosOrder)
auto c = pybind11::class_<PosOrder>(m, "PosOrder", rdoc_scope)
.def(pybind11::init<const MatrixInt&>(), rdoc::__init)
.def(pybind11::init<const PosOrder&>(), rdoc::__copy)
.def("__call__", [](const PosOrder& p, long i, long j) {
return p(i, j);
}, rdoc::__call)
;
regina::python::add_output_custom(c, [](const PosOrder& o,
std::ostream& s) {
// A PosOrder object is basically like a lambda that has captured
// a matrix by reference. The main reason this class even exists
// is because it was written long before lambdas were a part of C++.
//
// It doesn't make a lot of sense to output the internal data for
// what is essentially a function object.
s << "Compare row indices using position vectors";
});
// It doesn't really make sense to compare these objects either.
regina::python::disable_eq_operators(c);
RDOC_SCOPE_END
}
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