lsst.sphgeom gbd998247f1+585e252eca
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Interval1d.h
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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
30#ifndef LSST_SPHGEOM_INTERVAL1D_H_
31#define LSST_SPHGEOM_INTERVAL1D_H_
32
35
36#include <iosfwd>
37#include <limits>
38
39#include "Interval.h"
40
41
42namespace lsst {
43namespace sphgeom {
44
47class Interval1d : public Interval<Interval1d, double> {
49public:
50
51 static Interval1d empty() {
52 return Interval1d();
53 }
54
55 static Interval1d full() {
56 return Interval1d(-std::numeric_limits<double>::infinity(),
57 std::numeric_limits<double>::infinity());
58 }
59
60 // Delegation to base class constructors
61 Interval1d() : Base() {}
62
63 explicit Interval1d(double x) : Base(x) {}
64
65 Interval1d(double x, double y) : Base(x, y) {}
66
67 Interval1d(Base const & base) : Base(base) {}
68
70 bool isFull() const {
71 return getA() == -std::numeric_limits<double>::infinity() &&
72 getB() == std::numeric_limits<double>::infinity();
73 }
74};
75
76std::ostream & operator<<(std::ostream &, Interval1d const &);
77
78}} // namespace lsst::sphgeom
79
80#endif // LSST_SPHGEOM_INTERVAL1D_H_
Definition Interval1d.h:47
bool isFull() const
isFull returns true if this interval = ℝ.
Definition Interval1d.h:70
Definition Interval.h:55
double getA() const
Definition Interval.h:83
double getB() const
Definition Interval.h:87
This file defines a template representing closed real intervals.