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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 <pybind11/functional.h>
#include <pybind11/stl.h>
#include "../helpers.h"
#include "algebra/grouppresentation.h"
#include "triangulation/dim2.h"
#include "triangulation/facetpairing.h"
#include "triangulation/isosigtype.h"
#include "triangulation/detail/isosig-impl.h"
#include "../generic/facehelper.h"
#include "../docstrings/triangulation/dim2/triangulation2.h"
#include "../docstrings/triangulation/detail/triangulation.h"
#include "../docstrings/utilities/snapshot.h"
#include "../generic/isosig-bindings.h" // must come after docstrings
using pybind11::overload_cast;
using regina::AbelianGroup;
using regina::Face;
using regina::Isomorphism;
using regina::MarkedAbelianGroup;
using regina::MatrixInt;
using regina::Simplex;
using regina::Triangulation;
void addTriangulation2(pybind11::module_& m, pybind11::module_& internal) {
RDOC_SCOPE_BEGIN(Triangulation)
RDOC_SCOPE_BASE_2(detail::TriangulationBase, Snapshottable)
auto c = pybind11::class_<Triangulation<2>,
std::shared_ptr<Triangulation<2>>>(m, "Triangulation2", rdoc_scope)
.def(pybind11::init<>(), rdoc::__default)
.def(pybind11::init<const Triangulation<2>&>(), rdoc::__copy)
.def(pybind11::init<const Triangulation<2>&, bool, bool>(),
pybind11::arg("src"),
pybind11::arg("cloneProps"),
pybind11::arg("cloneLocks") = true,
rdoc::__init)
.def(pybind11::init<const std::string&>(), rdoc::__init_2)
.def("isReadOnlySnapshot", &Triangulation<2>::isReadOnlySnapshot,
rbase2::isReadOnlySnapshot)
.def("size", &Triangulation<2>::size, rbase::size)
.def("countTriangles", &Triangulation<2>::countTriangles,
rbase::countTriangles)
.def("triangles", &Triangulation<2>::triangles,
pybind11::keep_alive<0, 1>(), rbase::triangles)
.def("simplices", &Triangulation<2>::simplices,
pybind11::keep_alive<0, 1>(), rbase::simplices)
.def("triangle",
// gcc-10 struggles with casting: even a static_cast fails here
// because gcc-10 cannot handle the "auto" return type.
// Just use simplex(), which triangle() is an alias for.
overload_cast<size_t>(&Triangulation<2>::simplex),
pybind11::return_value_policy::reference_internal, rbase::triangle)
.def("simplex",
overload_cast<size_t>(&Triangulation<2>::simplex),
pybind11::return_value_policy::reference_internal, rbase::simplex)
.def("newTriangle", overload_cast<>(
&Triangulation<2>::newTriangle),
pybind11::return_value_policy::reference_internal,
rdoc::newTriangle)
.def("newSimplex", overload_cast<>(&Triangulation<2>::newSimplex),
pybind11::return_value_policy::reference_internal,
rbase::newSimplex)
.def("newTriangle", overload_cast<const std::string&>(
&Triangulation<2>::newTriangle),
pybind11::return_value_policy::reference_internal,
rdoc::newTriangle_2)
.def("newSimplex", overload_cast<const std::string&>(
&Triangulation<2>::newSimplex),
pybind11::return_value_policy::reference_internal,
rbase::newSimplex_2)
.def("newSimplices", [](Triangulation<2>& t, size_t k) {
pybind11::tuple ans(k);
for (size_t i = 0; i < k; ++i)
ans[i] = t.newSimplex();
return ans;
}, pybind11::return_value_policy::reference_internal,
pybind11::arg("k"), rbase::newSimplices)
.def("newTriangles", [](Triangulation<2>& t, size_t k) {
pybind11::tuple ans(k);
for (size_t i = 0; i < k; ++i)
ans[i] = t.newSimplex();
return ans;
}, pybind11::return_value_policy::reference_internal,
rdoc::newTriangles)
.def("removeTriangle", &Triangulation<2>::removeTriangle,
rdoc::removeTriangle)
.def("removeSimplex", &Triangulation<2>::removeSimplex,
rbase::removeSimplex)
.def("removeTriangleAt", &Triangulation<2>::removeTriangleAt,
rdoc::removeTriangleAt)
.def("removeSimplexAt", &Triangulation<2>::removeSimplexAt,
rbase::removeSimplexAt)
.def("removeAllTriangles", &Triangulation<2>::removeAllTriangles,
rdoc::removeAllTriangles)
.def("removeAllSimplices", &Triangulation<2>::removeAllSimplices,
rbase::removeAllSimplices)
.def("swap", &Triangulation<2>::swap, rdoc::swap)
.def("moveContentsTo", &Triangulation<2>::moveContentsTo,
rbase::moveContentsTo)
.def("hasLocks", &Triangulation<2>::hasLocks, rbase::hasLocks)
.def("lockBoundary", &Triangulation<2>::lockBoundary,
rbase::lockBoundary)
.def("unlockAll", &Triangulation<2>::unlockAll, rbase::unlockAll)
.def("countComponents", &Triangulation<2>::countComponents,
rbase::countComponents)
.def("countBoundaryComponents",
&Triangulation<2>::countBoundaryComponents,
rbase::countBoundaryComponents)
.def("countFaces", (regina::python::countFacesFunc<Triangulation<2>>)(
&Triangulation<2>::countFaces), rbase::countFaces)
.def("countVertices", &Triangulation<2>::countVertices,
rbase::countVertices)
.def("countEdges", &Triangulation<2>::countEdges, rbase::countEdges)
.def("fVector", &Triangulation<2>::fVector, rbase::fVector)
.def("components", &Triangulation<2>::components,
pybind11::keep_alive<0, 1>(), rbase::components)
.def("boundaryComponents", &Triangulation<2>::boundaryComponents,
pybind11::keep_alive<0, 1>(), rbase::boundaryComponents)
.def("faces", (regina::python::facesFunc<Triangulation<2>>)(
&Triangulation<2>::faces),
pybind11::keep_alive<0, 1>(), rbase::faces)
.def("vertices", &Triangulation<2>::vertices,
pybind11::keep_alive<0, 1>(), rbase::vertices)
.def("edges", &Triangulation<2>::edges,
pybind11::keep_alive<0, 1>(), rbase::edges)
.def("component", &Triangulation<2>::component,
pybind11::return_value_policy::reference_internal,
rbase::component)
.def("boundaryComponent", &Triangulation<2>::boundaryComponent,
pybind11::return_value_policy::reference_internal,
rbase::boundaryComponent)
.def("face", (regina::python::faceFunc<Triangulation<2>>)(
&Triangulation<2>::face),
pybind11::return_value_policy::reference_internal, rbase::face)
.def("vertex", &Triangulation<2>::vertex,
pybind11::return_value_policy::reference_internal, rbase::vertex)
.def("edge", &Triangulation<2>::edge,
pybind11::return_value_policy::reference_internal, rbase::edge)
.def("translate", overload_cast<const regina::Face<2, 0>*>(
&Triangulation<2>::translate<0>, pybind11::const_),
pybind11::return_value_policy::reference_internal, rbase::translate)
.def("translate", overload_cast<const regina::Face<2, 1>*>(
&Triangulation<2>::translate<1>, pybind11::const_),
pybind11::return_value_policy::reference_internal, rbase::translate)
.def("translate", overload_cast<const regina::Simplex<2>*>(
&Triangulation<2>::translate<2>, pybind11::const_),
pybind11::return_value_policy::reference_internal, rbase::translate)
.def("translate", overload_cast<const regina::FaceEmbedding<2, 0>&>(
&Triangulation<2>::translate<0>, pybind11::const_),
rbase::translate_2)
.def("translate", overload_cast<const regina::FaceEmbedding<2, 1>&>(
&Triangulation<2>::translate<1>, pybind11::const_),
rbase::translate_2)
.def("pairing", &Triangulation<2>::pairing, rbase::pairing)
.def("isIsomorphicTo", &Triangulation<2>::isIsomorphicTo,
rbase::isIsomorphicTo)
.def("findAllIsomorphisms", &Triangulation<2>::findAllIsomorphisms<
const std::function<bool(const Isomorphism<2>)>&>,
pybind11::arg("other"), pybind11::arg("action"),
rbase::findAllIsomorphisms)
.def("findAllIsomorphisms", [](const Triangulation<2>& t,
const Triangulation<2>& other) {
std::vector<Isomorphism<2>> isos;
t.findAllIsomorphisms(other, [&](const Isomorphism<2>& iso) {
isos.push_back(iso);
return false;
});
return isos;
}, pybind11::arg("other"), rbase::findAllIsomorphisms)
.def("makeCanonical", &Triangulation<2>::makeCanonical,
rbase::makeCanonical)
.def("isContainedIn", &Triangulation<2>::isContainedIn,
rbase::isContainedIn)
.def("findAllSubcomplexesIn", &Triangulation<2>::findAllSubcomplexesIn<
const std::function<bool(const Isomorphism<2>)>&>,
pybind11::arg("other"), pybind11::arg("action"),
rbase::findAllSubcomplexesIn)
.def("findAllSubcomplexesIn", [](const Triangulation<2>& t,
const Triangulation<2>& other) {
std::vector<Isomorphism<2>> isos;
t.findAllSubcomplexesIn(other, [&](const Isomorphism<2>& iso) {
isos.push_back(iso);
return false;
});
return isos;
}, pybind11::arg("other"), rbase::findAllSubcomplexesIn)
.def("isEmpty", &Triangulation<2>::isEmpty, rbase::isEmpty)
.def("isValid", &Triangulation<2>::isValid, rbase::isValid)
.def("eulerChar", &Triangulation<2>::eulerChar, rdoc::eulerChar)
.def("eulerCharTri", &Triangulation<2>::eulerCharTri,
rbase::eulerCharTri)
.def("isClosed", &Triangulation<2>::isClosed, rdoc::isClosed)
.def("hasBoundaryFacets", &Triangulation<2>::hasBoundaryFacets,
rbase::hasBoundaryFacets)
.def("hasBoundaryEdges", &Triangulation<2>::hasBoundaryEdges,
rdoc::hasBoundaryEdges)
.def("countBoundaryFacets", &Triangulation<2>::countBoundaryFacets,
rbase::countBoundaryFacets)
.def("countBoundaryEdges", &Triangulation<2>::countBoundaryEdges,
rdoc::countBoundaryEdges)
.def("countBoundaryFaces",
static_cast<size_t (Triangulation<2>::*)(int) const>(
&Triangulation<2>::countBoundaryFaces),
rbase::countBoundaryFaces)
.def("isOrientable", &Triangulation<2>::isOrientable,
rbase::isOrientable)
.def("isOriented", &Triangulation<2>::isOriented, rbase::isOriented)
.def("isIdeal", &Triangulation<2>::isIdeal, rdoc::isIdeal)
.def("isConnected", &Triangulation<2>::isConnected,
rbase::isConnected)
.def("group", &Triangulation<2>::group,
pybind11::return_value_policy::reference_internal, rbase::group)
.def("fundamentalGroup", &Triangulation<2>::fundamentalGroup,
pybind11::return_value_policy::reference_internal,
rbase::fundamentalGroup)
.def("setGroupPresentation",
&Triangulation<2>::setGroupPresentation,
rbase::setGroupPresentation)
.def("simplifiedFundamentalGroup", // deprecated
&Triangulation<2>::setGroupPresentation,
rbase::simplifiedFundamentalGroup)
.def("isMinimal", &Triangulation<2>::isMinimal, rdoc::isMinimal)
.def("isSphere", &Triangulation<2>::isSphere, rdoc::isSphere)
.def("isBall", &Triangulation<2>::isBall, rdoc::isBall)
.def("reorderBFS", &Triangulation<2>::reorderBFS,
pybind11::arg("reverse") = false, rbase::reorderBFS)
.def("randomiseLabelling", &Triangulation<2>::randomiseLabelling,
pybind11::arg("preserveOrientation") = true,
rbase::randomiseLabelling)
.def("orient", &Triangulation<2>::orient, rbase::orient)
.def("reflect", &Triangulation<2>::reflect, rbase::reflect)
.def("triangulateComponents", &Triangulation<2>::triangulateComponents,
rbase::triangulateComponents)
.def("homology",
static_cast<AbelianGroup (Triangulation<2>::*)(int) const>(
&Triangulation<2>::homology),
pybind11::arg("k") = 1, rbase::homology)
.def("markedHomology",
static_cast<MarkedAbelianGroup (Triangulation<2>::*)(int) const>(
&Triangulation<2>::markedHomology),
pybind11::arg("k") = 1, rbase::markedHomology)
.def("boundaryMap",
static_cast<MatrixInt (Triangulation<2>::*)(int) const>(
&Triangulation<2>::boundaryMap), rbase::boundaryMap)
.def("dualBoundaryMap",
static_cast<MatrixInt (Triangulation<2>::*)(int) const>(
&Triangulation<2>::dualBoundaryMap), rbase::dualBoundaryMap)
.def("dualToPrimal",
static_cast<MatrixInt (Triangulation<2>::*)(int) const>(
&Triangulation<2>::dualToPrimal), rbase::dualToPrimal)
.def("pachner",
overload_cast<Face<2, 2>*>(&Triangulation<2>::pachner<2>),
rbase::pachner)
.def("pachner",
overload_cast<Face<2, 1>*>(&Triangulation<2>::pachner<1>),
rbase::pachner)
.def("pachner",
overload_cast<Face<2, 0>*>(&Triangulation<2>::pachner<0>),
rbase::pachner)
.def("move20", &Triangulation<2>::move20<0>, rbase::move20)
.def("shellBoundary",
overload_cast<Simplex<2>*>(&Triangulation<2>::shellBoundary),
rbase::shellBoundary)
.def("hasPachner", &Triangulation<2>::hasPachner<0>, rbase::hasPachner)
.def("hasPachner", &Triangulation<2>::hasPachner<1>, rbase::hasPachner)
.def("hasPachner", &Triangulation<2>::hasPachner<2>, rbase::hasPachner)
.def("has20", &Triangulation<2>::has20<0>, rbase::has20)
.def("hasShellBoundary", &Triangulation<2>::hasShellBoundary,
rbase::hasShellBoundary)
.def("withPachner", &Triangulation<2>::withPachner<0>,
rbase::withPachner)
.def("withPachner", &Triangulation<2>::withPachner<1>,
rbase::withPachner)
.def("withPachner", &Triangulation<2>::withPachner<2>,
rbase::withPachner)
.def("with20", &Triangulation<2>::with20<0>, rbase::with20)
.def("withShellBoundary", &Triangulation<2>::withShellBoundary,
rbase::withShellBoundary)
.def("makeIdeal", &Triangulation<2>::makeIdeal, rbase::makeIdeal)
.def("finiteToIdeal", &Triangulation<2>::finiteToIdeal,
rbase::finiteToIdeal)
.def("doubleCover", &Triangulation<2>::doubleCover, rbase::doubleCover)
.def("makeDoubleCover", [](Triangulation<2>& tri) { // deprecated
tri = tri.doubleCover();
}, rbase::makeDoubleCover)
.def("doubleOverBoundary", &Triangulation<2>::doubleOverBoundary,
rbase::doubleOverBoundary)
.def("subdivide", &Triangulation<2>::subdivide, rbase::subdivide)
.def("barycentricSubdivision", // deprecated
&Triangulation<2>::subdivide, rbase::barycentricSubdivision)
.def("insertTriangulation",
overload_cast<const Triangulation<2>&>(
&Triangulation<2>::insertTriangulation),
rbase::insertTriangulation)
.def("sig", &Triangulation<2>::sig<>, rbase::sig)
// Variants of isoSig() are handled through isosig_options() below.
.def_static("fromIsoSig", &Triangulation<2>::fromIsoSig,
rbase::fromIsoSig)
.def_static("fromSig", &Triangulation<2>::fromSig, rbase::fromSig)
.def_static("isoSigComponentSize",
&Triangulation<2>::isoSigComponentSize, rbase::isoSigComponentSize)
.def("source", &Triangulation<2>::source,
// The default should be Language::Current, but in C++ that
// evaluates to Language::Cxx. We need it to evaluate to
// Language::Python (i.e., the Python implementation of
// Language::Current), and so we explicitly use that as our
// default instead.
pybind11::arg("language") = regina::Language::Python,
rbase::source)
.def("dumpConstruction", [](const Triangulation<2>& tri) {
// Deprecated, so reimplement this ourselves.
return tri.source(regina::Language::Cxx);
}, rbase::dumpConstruction)
.def("dot", &Triangulation<2>::dot,
pybind11::arg("labels") = false, rbase::dot)
.def_static("fromGluings", [](size_t size, const std::vector<
std::tuple<size_t, int, size_t, regina::Perm<3>>>& g) {
return Triangulation<2>::fromGluings(size, g.begin(), g.end());
}, pybind11::arg("size"), pybind11::arg("gluings"), rbase::fromGluings)
.def_readonly_static("dimension", &Triangulation<2>::dimension)
;
#if defined(__GNUC__)
// The following routines are deprecated, but we still need to bind
// them. Silence the inevitable deprecation warnings that will occur.
#pragma GCC diagnostic push
#if defined(__clang__)
#pragma GCC diagnostic ignored "-Wdeprecated"
#else
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
#endif
c.def("pachner",
overload_cast<Face<2, 2>*, bool, bool>(
&Triangulation<2>::pachner<2>),
pybind11::arg(),
pybind11::arg("ignored"),
pybind11::arg("perform") = true,
rbase::pachner_2) // deprecated
.def("pachner",
overload_cast<Face<2, 1>*, bool, bool>(
&Triangulation<2>::pachner<1>),
pybind11::arg(),
pybind11::arg("ignored"),
pybind11::arg("perform") = true,
rbase::pachner_2) // deprecated
.def("pachner",
overload_cast<Face<2, 0>*, bool, bool>(
&Triangulation<2>::pachner<0>),
pybind11::arg(),
pybind11::arg("ignored"),
pybind11::arg("perform") = true,
rbase::pachner_2) // deprecated
// For twoZeroMove(), the new function has a different name (move20).
// We therefore give a default value for "ignored" in order to preserve
// backward compatibility in cases where both boolean arguments are
// omitted.
.def("twoZeroMove", &Triangulation<2>::twoZeroMove<0>,
pybind11::arg(),
pybind11::arg("ignored") = true,
pybind11::arg("perform") = true,
rbase::twoZeroMove) // deprecated
.def("shellBoundary",
overload_cast<Simplex<2>*, bool, bool>(
&Triangulation<2>::shellBoundary),
pybind11::arg(),
pybind11::arg("ignored"),
pybind11::arg("perform") = true,
rbase::shellBoundary_2) // deprecated
;
#if defined(__GNUC__)
#pragma GCC diagnostic pop
#endif
regina::python::isosig_options<2>(c);
regina::python::add_output(c);
regina::python::add_tight_encoding(c);
regina::python::packet_eq_operators(c, rbase::__eq);
regina::python::add_packet_data(c);
regina::python::addListView<decltype(Triangulation<2>().vertices())>(
internal, "Triangulation2_vertices");
regina::python::addListView<decltype(Triangulation<2>().edges())>(
internal, "Triangulation2_edges");
regina::python::addListView<decltype(Triangulation<2>().triangles())>(
internal, "Triangulation2_triangles");
regina::python::addListView<decltype(Triangulation<2>().components())>(
internal, "Triangulation2_components");
regina::python::addListView<
decltype(Triangulation<2>().boundaryComponents())>(
internal, "Triangulation2_boundaryComponents");
auto wrap = regina::python::add_packet_wrapper<Triangulation<2>>(
m, "PacketOfTriangulation2");
regina::python::add_packet_constructor<>(wrap, rdoc::__default);
regina::python::add_packet_constructor<const Triangulation<2>&, bool,
bool>(wrap,
pybind11::arg("src"),
pybind11::arg("cloneProps"),
pybind11::arg("cloneLocks") = true,
rdoc::__init);
regina::python::add_packet_constructor<const std::string&>(wrap,
rdoc::__init_2);
// We cannot use add_global_swap() here, since add_global_swap() cannot
// resolve regina::swap to the templated triangulation swap function.
m.def("swap", static_cast<void(&)(Triangulation<2>&, Triangulation<2>&)>(
regina::swap), rdoc::global_swap);
RDOC_SCOPE_END
addIsoSigClassic<2>(m, "IsoSigClassic2");
addIsoSigEdgeDegrees<2>(m, "IsoSigEdgeDegrees2");
addIsoSigRidgeDegrees<2>(m, "IsoSigRidgeDegrees2");
addIsoSigPrintable<2, true>(m, "IsoSigPrintable2");
addIsoSigPrintable<2, false>(m, "IsoSigPrintableLockFree2");
}
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