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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/operators.h>
#include "utilities/bitmask.h"
#include "utilities/exception.h"
#include "utilities/intutils.h"
#include "../helpers.h"
#include "../docstrings/utilities/bitmask.h"
using regina::Bitmask;
using regina::Bitmask1;
using regina::Bitmask2;
template <class B>
void addBitmaskOpt(pybind11::module_& m, const char* name) {
// B could be an instance of either Bitmask1 or Bitmask2, but since the
// Python docs are essentially the same we will just use Bitmask1 here.
RDOC_SCOPE_BEGIN(Bitmask1)
auto c = pybind11::class_<B>(m, name, rdoc_scope)
.def(pybind11::init<>(), rdoc::__default)
.def(pybind11::init<size_t>(), rdoc::__init)
.def(pybind11::init<const B&>(), rdoc::__copy)
.def("reset", pybind11::overload_cast<>(&B::reset), rdoc::reset)
.def("reset", pybind11::overload_cast<size_t>(&B::reset), rdoc::reset_2)
.def("truncate", &B::truncate, rdoc::truncate)
.def("get", &B::get, rdoc::get)
.def("set", static_cast<void (B::*)(size_t, bool)>(&B::set), rdoc::set)
.def("set", [](B& b, pybind11::list indices, bool value) {
std::vector<size_t> arg;
for (auto item : indices) {
try {
arg.push_back(item.cast<size_t>());
} catch (pybind11::cast_error const&) {
throw regina::InvalidArgument(
"Bitmask index not convertible to integer");
}
}
b.set(arg.begin(), arg.end(), value);
}, pybind11::arg("indices"), pybind11::arg("value"), rdoc::set_2)
.def(pybind11::self &= pybind11::self, rdoc::__iand)
.def(pybind11::self |= pybind11::self, rdoc::__ior)
.def(pybind11::self ^= pybind11::self, rdoc::__ixor)
.def(pybind11::self -= pybind11::self, rdoc::__isub)
.def("flip", &B::flip, rdoc::flip)
.def("lessThan", &B::lessThan, rdoc::lessThan)
.def("inUnion", &B::inUnion, rdoc::inUnion)
.def("containsIntn", &B::containsIntn, rdoc::containsIntn)
.def("bits", &B::bits, rdoc::bits)
.def("firstBit", &B::firstBit, rdoc::firstBit)
.def("lastBit", &B::lastBit, rdoc::lastBit)
.def("atMostOneBit", &B::atMostOneBit, rdoc::atMostOneBit)
.def_readonly_static("fixedSize", &B::fixedSize)
;
regina::python::add_output_ostream(c);
regina::python::add_eq_operators(c, rdoc::__eq);
regina::python::add_cmp_operators(c, rdoc::__cmp);
RDOC_SCOPE_END
}
void addBitmaskGeneric(pybind11::module_& m) {
RDOC_SCOPE_BEGIN(Bitmask)
auto c = pybind11::class_<Bitmask>(m, "Bitmask", rdoc_scope)
.def(pybind11::init<>(), rdoc::__default)
.def(pybind11::init<size_t>(), rdoc::__init)
.def(pybind11::init<const Bitmask&>(), rdoc::__copy)
.def("get", &Bitmask::get, rdoc::get)
.def("set", static_cast<void (Bitmask::*)(size_t, bool)>(&Bitmask::set),
rdoc::set)
.def("set", [](Bitmask& b, pybind11::list indices, bool value) {
std::vector<size_t> arg;
for (auto item : indices) {
try {
arg.push_back(item.cast<size_t>());
} catch (pybind11::cast_error const&) {
throw regina::InvalidArgument(
"Bitmask index not convertible to integer");
}
}
b.set(arg.begin(), arg.end(), value);
}, pybind11::arg("indices"), pybind11::arg("value"), rdoc::set_2)
.def("reset", pybind11::overload_cast<>(&Bitmask::reset), rdoc::reset)
.def("reset", pybind11::overload_cast<size_t>(&Bitmask::reset),
rdoc::reset_2)
.def("swap", &Bitmask::swap, rdoc::swap)
.def("truncate", &Bitmask::truncate, rdoc::truncate)
.def(pybind11::self &= pybind11::self, rdoc::__iand)
.def(pybind11::self |= pybind11::self, rdoc::__ior)
.def(pybind11::self ^= pybind11::self, rdoc::__ixor)
.def(pybind11::self -= pybind11::self, rdoc::__isub)
.def("flip", &Bitmask::flip, rdoc::flip)
.def("lessThan", &Bitmask::lessThan, rdoc::lessThan)
.def("inUnion", &Bitmask::inUnion, rdoc::inUnion)
.def("containsIntn", &Bitmask::containsIntn, rdoc::containsIntn)
.def("bits", &Bitmask::bits, rdoc::bits)
.def("firstBit", &Bitmask::firstBit, rdoc::firstBit)
.def("lastBit", &Bitmask::lastBit, rdoc::lastBit)
.def("atMostOneBit", &Bitmask::atMostOneBit, rdoc::atMostOneBit)
.def_readonly_static("fixedSize", &Bitmask::fixedSize)
;
regina::python::add_output_ostream(c);
regina::python::add_eq_operators(c, rdoc::__eq);
regina::python::add_cmp_operators(c, rdoc::__cmp);
regina::python::add_global_swap<Bitmask>(m, rdoc::global_swap);
RDOC_SCOPE_END
}
void addBitmask(pybind11::module_& m) {
addBitmaskGeneric(m);
addBitmaskOpt<Bitmask1<uint8_t>>(m, "Bitmask8");
addBitmaskOpt<Bitmask1<uint16_t>>(m, "Bitmask16");
addBitmaskOpt<Bitmask1<uint32_t>>(m, "Bitmask32");
addBitmaskOpt<Bitmask1<uint64_t>>(m, "Bitmask64");
#ifdef INT128_AVAILABLE
addBitmaskOpt<Bitmask1<regina::IntOfSize<16>::utype>>(m, "Bitmask128");
addBitmaskOpt<Bitmask2<regina::IntOfSize<16>::utype,
regina::IntOfSize<16>::utype>>(m, "Bitmask256");
#else
addBitmaskOpt<Bitmask2<uint64_t, uint64_t>>(m, "Bitmask128");
#endif
}
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