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LSST Data Management Base Package
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_angle.cc
Go to the documentation of this file.
1/*
2 * This file is part of sphgeom.
3 *
4 * Developed for the LSST Data Management System.
5 * This product includes software developed by the LSST Project
6 * (http://www.lsst.org).
7 * See the COPYRIGHT file at the top-level directory of this distribution
8 * for details of code ownership.
9 *
10 * This software is dual licensed under the GNU General Public License and also
11 * under a 3-clause BSD license. Recipients may choose which of these licenses
12 * to use; please see the files gpl-3.0.txt and/or bsd_license.txt,
13 * respectively. If you choose the GPL option then the following text applies
14 * (but note that there is still no warranty even if you opt for BSD instead):
15 *
16 * This program is free software: you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation, either version 3 of the License, or
19 * (at your option) any later version.
20 *
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
25 *
26 * You should have received a copy of the GNU General Public License
27 * along with this program. If not, see <http://www.gnu.org/licenses/>.
28 */
29#include "pybind11/pybind11.h"
30
31#include "lsst/sphgeom/python.h"
32
33#include "lsst/sphgeom/Angle.h"
35
36namespace py = pybind11;
37using namespace pybind11::literals;
38
39namespace lsst {
40namespace sphgeom {
41
42template <>
43void defineClass(py::class_<Angle> &cls) {
44 cls.def_static("nan", &Angle::nan);
45 cls.def_static("fromDegrees", &Angle::fromDegrees);
46 cls.def_static("fromRadians", &Angle::fromRadians);
47
48 cls.def(py::init<>());
49 cls.def(py::init<double>(), "radians"_a);
50 cls.def(py::init<Angle>(), "angle"_a);
51 // Construct an Angle from a NormalizedAngle, enabling implicit
52 // conversion from NormalizedAngle to Angle in python via
53 // py::implicitly_convertible
54 cls.def(py::init(
55 [](NormalizedAngle &a) {
56 return new Angle(a.asRadians());
57 }),
58 "normalizedAngle"_a);
59
60 cls.def("__eq__", &Angle::operator==, py::is_operator());
61 cls.def("__ne__", &Angle::operator!=, py::is_operator());
62 cls.def("__lt__", &Angle::operator<, py::is_operator());
63 cls.def("__gt__", &Angle::operator>, py::is_operator());
64 cls.def("__le__", &Angle::operator<=, py::is_operator());
65 cls.def("__ge__", &Angle::operator>=, py::is_operator());
66
67 cls.def("__neg__", (Angle(Angle::*)() const) & Angle::operator-);
68 cls.def("__add__", &Angle::operator+, py::is_operator());
69 cls.def("__sub__",
70 (Angle(Angle::*)(Angle const &) const) & Angle::operator-,
71 py::is_operator());
72 cls.def("__mul__", &Angle::operator*, py::is_operator());
73 cls.def("__rmul__", &Angle::operator*, py::is_operator());
74 cls.def("__truediv__", (Angle(Angle::*)(double) const) & Angle::operator/,
75 py::is_operator());
76 cls.def("__truediv__",
77 (double (Angle::*)(Angle const &) const) & Angle::operator/,
78 py::is_operator());
79
80 cls.def("__iadd__", &Angle::operator+=);
81 cls.def("__isub__", &Angle::operator-=);
82 cls.def("__imul__", &Angle::operator*=);
83 cls.def("__itruediv__", &Angle::operator/=);
84
85 cls.def("asDegrees", &Angle::asDegrees);
86 cls.def("asRadians", &Angle::asRadians);
87 cls.def("isNormalized", &Angle::isNormalized);
88 cls.def("isNan", &Angle::isNan);
89
90 cls.def("__str__", [](Angle const &self) {
91 return py::str("{!s}").format(self.asRadians());
92 });
93 cls.def("__repr__", [](Angle const &self) {
94 return py::str("Angle({!r})").format(self.asRadians());
95 });
96
97 cls.def("__reduce__", [cls](Angle const &self) {
98 return py::make_tuple(cls, py::make_tuple(self.asRadians()));
99 });
100}
101
102} // sphgeom
103} // lsst
This file declares a class for representing normalized angles.
Angle represents an angle in radians.
Definition Angle.h:50
static Angle nan()
Definition Angle.h:52
static Angle fromDegrees(double a)
Definition Angle.h:56
bool isNan() const
isNan returns true if the angle value is NaN.
Definition Angle.h:98
bool isNormalized() const
isNormalized returns true if this angle lies in the range [0, 2π).
Definition Angle.h:95
static Angle fromRadians(double a)
Definition Angle.h:58
double asDegrees() const
asDegrees returns the value of this angle in units of degrees.
Definition Angle.h:89
double asRadians() const
asRadians returns the value of this angle in units of radians.
Definition Angle.h:92
NormalizedAngle is an angle that lies in the range [0, 2π), with one exception - a NormalizedAngle ca...
void defineClass(Pybind11Class &cls)
This file declares a class for representing angles.