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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 <pybind11/stl.h>
#include "maths/integer.h"
#include "../helpers.h"
#include "../docstrings/maths/integer.h"
using pybind11::overload_cast;
using regina::python::doc::common::neq_value;
template <bool inf>
void addIntegerBase(pybind11::module_& m, const char* className) {
using Int = regina::IntegerBase<inf>;
using AltInt = regina::IntegerBase<! inf>; // Integer <-> LargeInteger
RDOC_SCOPE_BEGIN(IntegerBase)
auto c = pybind11::class_<Int>(m, className, rdoc_scope)
.def(pybind11::init<>(), rdoc::__default)
.def(pybind11::init<long>(), rdoc::__init)
.def(pybind11::init<const Int&>(), rdoc::__copy)
.def(pybind11::init<const AltInt&>(), rdoc::__init_2)
.def(pybind11::init([](pybind11::int_ l){
return new Int(pybind11::cast<std::string>(pybind11::str(l)));
}), rdoc::__init_4)
.def(pybind11::init<double>(), rdoc::__init_5)
.def(pybind11::init<const char*, int>(),
pybind11::arg(), pybind11::arg("base") = 10,
rdoc::__init_6)
.def("isNative", &Int::isNative, rdoc::isNative)
.def("isZero", &Int::isZero, rdoc::isZero)
.def("sign", &Int::sign, rdoc::sign)
.def("isInfinite", &Int::isInfinite, rdoc::isInfinite)
.def("makeInfinite", &Int::makeInfinite, rdoc::makeInfinite)
.def("longValue", &Int::longValue, rdoc::longValue)
.def("safeLongValue", &Int::safeLongValue, rdoc::safeLongValue)
.def("stringValue", &Int::stringValue,
pybind11::arg("base") = 10,
rdoc::stringValue)
.def("str", &Int::str, rdoc::str)
.def("pythonValue", [](const Int& i) {
if (i.isNative())
return pybind11::int_(i.longValue());
else if (i.isInfinite())
throw pybind11::value_error("Cannot represent infinity "
"as a Python int");
else
return pybind11::reinterpret_steal<pybind11::int_>(
PyLong_FromString(i.stringValue(16).c_str(), nullptr, 16));
}, rdoc::pythonValue)
.def("swap", &Int::swap, rdoc::swap)
.def(pybind11::self == AltInt(), rdoc::__eq_2)
.def(pybind11::self == long(), rdoc::__eq_3)
.def(pybind11::self != AltInt(), neq_value)
.def(pybind11::self != long(), neq_value)
.def(pybind11::self < long(), rdoc::__cmp_2)
.def(pybind11::self > long(), rdoc::__cmp_2)
.def(pybind11::self <= long(), rdoc::__cmp_2)
.def(pybind11::self >= long(), rdoc::__cmp_2)
.def("inc", [](Int& i) {
return i++;
}, rdoc::__inc)
.def("dec", [](Int& i) {
return i--;
}, rdoc::__dec)
.def(pybind11::self + pybind11::self, rdoc::__add)
.def(pybind11::self + long(), rdoc::__add_2)
.def(pybind11::self - pybind11::self, rdoc::__sub)
.def(pybind11::self - long(), rdoc::__sub_2)
.def(pybind11::self * pybind11::self, rdoc::__mul)
.def(pybind11::self * long(), rdoc::__mul_2)
.def(pybind11::self / pybind11::self, rdoc::__div)
.def(pybind11::self / long(), rdoc::__div_2)
.def("divExact", overload_cast<const Int&>(
&Int::divExact, pybind11::const_), rdoc::divExact)
.def("divExact", overload_cast<long>(
&Int::divExact, pybind11::const_), rdoc::divExact_2)
.def(pybind11::self % pybind11::self, rdoc::__mod)
.def(pybind11::self % long(), rdoc::__mod_2)
.def("divisionAlg", overload_cast<const Int&>(
&Int::divisionAlg, pybind11::const_), rdoc::divisionAlg)
.def(- pybind11::self, rdoc::__sub_3)
.def(pybind11::self += pybind11::self, rdoc::__iadd)
.def(pybind11::self += long(), rdoc::__iadd_2)
.def(pybind11::self -= pybind11::self, rdoc::__isub)
.def(pybind11::self -= long(), rdoc::__isub_2)
.def(pybind11::self *= pybind11::self, rdoc::__imul)
.def(pybind11::self *= long(), rdoc::__imul_2)
.def(pybind11::self /= pybind11::self, rdoc::__idiv)
.def(pybind11::self /= long(), rdoc::__idiv_2)
.def("divByExact", overload_cast<const Int&>(&Int::divByExact),
pybind11::return_value_policy::reference_internal,
rdoc::divByExact)
.def("divByExact", overload_cast<long>(&Int::divByExact),
pybind11::return_value_policy::reference_internal,
rdoc::divByExact_2)
.def(pybind11::self %= pybind11::self, rdoc::__imod)
.def(pybind11::self %= long(), rdoc::__imod_2)
.def("negate", &Int::negate, rdoc::negate)
.def("raiseToPower", &Int::raiseToPower, rdoc::raiseToPower)
.def("abs", &Int::abs, rdoc::abs)
.def("gcdWith", &Int::gcdWith, rdoc::gcdWith)
.def("gcd", &Int::gcd, rdoc::gcd)
.def("lcmWith", &Int::lcmWith, rdoc::lcmWith)
.def("lcm", &Int::lcm, rdoc::lcm)
.def("gcdWithCoeffs", overload_cast<const Int&>(
&Int::gcdWithCoeffs, pybind11::const_),
rdoc::gcdWithCoeffs)
.def("gcdWithCoeffs", overload_cast<const Int&, Int&, Int&>(
&Int::gcdWithCoeffs, pybind11::const_),
rdoc::gcdWithCoeffs_2)
.def("legendre", &Int::legendre, rdoc::legendre)
.def("randomBoundedByThis", &Int::randomBoundedByThis,
rdoc::randomBoundedByThis)
.def_static("randomBinary", &Int::randomBinary, rdoc::randomBinary)
.def_static("randomCornerBinary", &Int::randomCornerBinary,
rdoc::randomCornerBinary)
.def("makeLarge", &Int::makeLarge, rdoc::makeLarge)
.def("tryReduce", &Int::tryReduce, rdoc::tryReduce)
.def(long() + pybind11::self, rdoc_global::__add)
.def(long() * pybind11::self, rdoc_global::__mul)
.def_readonly_static("supportsInfinity", &Int::supportsInfinity)
.def_readonly_static("zero", &Int::zero)
.def_readonly_static("one", &Int::one)
;
if constexpr (inf)
c.def_readonly_static("infinity", &Int::infinity);
regina::python::add_tight_encoding(c, rdoc::tightEncoding,
rdoc::tightDecoding, rdoc::hash);
regina::python::add_eq_operators(c, rdoc::__eq);
regina::python::add_cmp_operators(c, rdoc::__cmp);
regina::python::add_output_ostream(c, regina::python::ReprStyle::Slim);
m.def("tightEncoding", static_cast<std::string(&)(Int)>(
regina::tightEncoding), rdoc_global::tightEncoding);
regina::python::add_global_swap<Int>(m, rdoc::global_swap);
RDOC_SCOPE_END
pybind11::implicitly_convertible<long, Int>();
pybind11::implicitly_convertible<std::string, Int>();
}
void addInteger(pybind11::module_& m) {
addIntegerBase<false>(m, "Integer");
addIntegerBase<true>(m, "LargeInteger");
}
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