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LSST Data Management Base Package
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CoordinateExpr.h
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1/*
2 * Developed for the LSST Data Management System.
3 * This product includes software developed by the LSST Project
4 * (https://www.lsst.org).
5 * See the COPYRIGHT file at the top-level directory of this distribution
6 * for details of code ownership.
7 *
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <https://www.gnu.org/licenses/>.
20 */
21
22/*
23 * A boolean pair class used to express the output of spatial predicates on Point and Extent.
24 */
25#ifndef LSST_GEOM_COORDINATEEXPR_H
26#define LSST_GEOM_COORDINATEEXPR_H
27
29
30namespace lsst {
31namespace geom {
32
49template <int N>
50class CoordinateExpr : public CoordinateBase<CoordinateExpr<N>, bool, N> {
51 typedef CoordinateBase<CoordinateExpr<N>, bool, N> Super;
52
53public:
55 explicit CoordinateExpr(bool val = false) noexcept : Super(val) {}
56
58 template <typename Vector>
59 explicit CoordinateExpr(Eigen::MatrixBase<Vector> const& vector) : Super(vector) {}
60
61 CoordinateExpr(CoordinateExpr const&) noexcept = default;
62 CoordinateExpr(CoordinateExpr&&) noexcept = default;
63 CoordinateExpr& operator=(CoordinateExpr const&) noexcept = default;
64 CoordinateExpr& operator=(CoordinateExpr&&) noexcept = default;
65 ~CoordinateExpr() noexcept = default;
66
73 CoordinateExpr and_(CoordinateExpr const& rhs) const noexcept;
74 CoordinateExpr or_(CoordinateExpr const& rhs) const noexcept;
75 CoordinateExpr not_() const noexcept;
77};
78
80template <int N>
81inline bool all(CoordinateExpr<N> const& expr) noexcept {
82 for (int n = 0; n < N; ++n)
83 if (!expr[n]) return false;
84 return true;
85}
86
88template <int N>
89inline bool any(CoordinateExpr<N> const& expr) noexcept {
90 for (int n = 0; n < N; ++n)
91 if (expr[n]) return true;
92 return false;
93}
94
97
98} // namespace geom
99} // namespace lsst
100
101#endif
CoordinateBase(CoordinateBase const &other) noexcept(IS_ELEMENT_NOTHROW_COPYABLE)
A boolean coordinate.
CoordinateExpr not_() const noexcept
CoordinateExpr(bool val=false) noexcept
Construct a CoordinateExpr with all elements set to the same scalar value.
CoordinateExpr(Eigen::MatrixBase< Vector > const &vector)
Construct a CoordinateExpr from an Eigen vector.
CoordinateExpr and_(CoordinateExpr const &rhs) const noexcept
CoordinateExpr or_(CoordinateExpr const &rhs) const noexcept
CoordinateExpr(CoordinateExpr &&) noexcept=default
CoordinateExpr(CoordinateExpr const &) noexcept=default
CoordinateExpr< 3 > CoordinateExpr3
bool any(CoordinateExpr< N > const &expr) noexcept
Return true if any elements are true.
bool all(CoordinateExpr< N > const &expr) noexcept
Return true if all elements are true.
CoordinateExpr< 2 > CoordinateExpr2