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LSST Data Management Base Package
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_normalizedAngle.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/LonLat.h"
36
37namespace py = pybind11;
38using namespace pybind11::literals;
39
40namespace lsst {
41namespace sphgeom {
42
43template <>
44void defineClass(py::class_<NormalizedAngle> &cls) {
45 // Provide the equivalent of the NormalizedAngle to Angle C++ cast
46 // operator in Python
47 py::implicitly_convertible<NormalizedAngle, Angle>();
48
49 cls.def_static("nan", &NormalizedAngle::nan);
50 cls.def_static("fromDegrees", &NormalizedAngle::fromDegrees);
51 cls.def_static("fromRadians", &NormalizedAngle::fromRadians);
52 cls.def_static("between", &NormalizedAngle::between, "a"_a, "b"_a);
53 cls.def_static("center", &NormalizedAngle::center, "a"_a, "b"_a);
54
55 cls.def(py::init<>());
56 cls.def(py::init<NormalizedAngle const &>());
57 cls.def(py::init<Angle const &>());
58 cls.def(py::init<double>(), "radians"_a);
59 cls.def(py::init<LonLat const &, LonLat const &>(), "a"_a, "b"_a);
60 cls.def(py::init<Vector3d const &, Vector3d const &>(), "a"_a, "b"_a);
61
62 cls.def("__eq__", &NormalizedAngle::operator==, py::is_operator());
63 cls.def("__ne__", &NormalizedAngle::operator!=, py::is_operator());
64 cls.def("__lt__", &NormalizedAngle::operator<, py::is_operator());
65 cls.def("__gt__", &NormalizedAngle::operator>, py::is_operator());
66 cls.def("__le__", &NormalizedAngle::operator<=, py::is_operator());
67 cls.def("__ge__", &NormalizedAngle::operator>=, py::is_operator());
68
69 cls.def("__neg__",
70 (Angle(NormalizedAngle::*)() const) & NormalizedAngle::operator-);
71 cls.def("__add__", &NormalizedAngle::operator+, py::is_operator());
72 cls.def("__sub__",
73 (Angle(NormalizedAngle::*)(Angle const &) const) &
74 NormalizedAngle::operator-,
75 py::is_operator());
76 cls.def("__mul__", &NormalizedAngle::operator*, py::is_operator());
77 cls.def("__rmul__", &NormalizedAngle::operator*, py::is_operator());
78 cls.def("__truediv__",
79 (Angle(NormalizedAngle::*)(double) const) &
80 NormalizedAngle::operator/,
81 py::is_operator());
82 cls.def("__truediv__",
83 (double (NormalizedAngle::*)(Angle const &) const) &
84 NormalizedAngle::operator/,
85 py::is_operator());
86
87 cls.def("asDegrees", &NormalizedAngle::asDegrees);
88 cls.def("asRadians", &NormalizedAngle::asRadians);
89 cls.def("isNan", &NormalizedAngle::isNan);
90 cls.def("getAngleTo", &NormalizedAngle::getAngleTo);
91
92 cls.def("__str__", [](NormalizedAngle const &self) {
93 return py::str("{!s}").format(self.asRadians());
94 });
95 cls.def("__repr__", [](NormalizedAngle const &self) {
96 return py::str("NormalizedAngle({!r})").format(self.asRadians());
97 });
98
99 cls.def("__reduce__", [cls](NormalizedAngle const &self) {
100 return py::make_tuple(cls, py::make_tuple(self.asRadians()));
101 });
102}
103
104} // sphgeom
105} // lsst
This file contains a class representing spherical coordinates.
This file declares a class for representing normalized angles.
This file declares a class for representing vectors in ℝ³.
Angle represents an angle in radians.
Definition Angle.h:50
NormalizedAngle is an angle that lies in the range [0, 2π), with one exception - a NormalizedAngle ca...
bool isNan() const
isNan returns true if the angle value is NaN.
double asRadians() const
asRadians returns the value of this angle in units of radians.
NormalizedAngle getAngleTo(NormalizedAngle const &a) const
getAngleTo computes the angle α ∈ [0, 2π) such that adding α to this angle and then normalizing the r...
static NormalizedAngle fromRadians(double a)
static NormalizedAngle nan()
double asDegrees() const
asDegrees returns the value of this angle in units of degrees.
static NormalizedAngle fromDegrees(double a)
static NormalizedAngle between(NormalizedAngle const &a, NormalizedAngle const &b)
For two angles a and b, between(a, b) returns the smaller of a.getAngleTo(b) and b....
static NormalizedAngle center(NormalizedAngle const &a, NormalizedAngle const &b)
For two normalized angles a and b, center(a, b) returns the angle m such that a.getAngleTo(m) is equa...
void defineClass(Pybind11Class &cls)