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LSST Data Management Base Package
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Extent.cc
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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
24#include "lsst/geom/Point.h"
25#include "lsst/geom/Extent.h"
26
27namespace lsst {
28namespace geom {
29
30template <typename T, int N>
32 : Super(other.asEigen()) {}
33
34// The following two template specializations raise Doxygen warnings and produce no documenation.
35// This is a known Doxygen bug: <https://bugzilla.gnome.org/show_bug.cgi?id=406027>
37template <typename T>
38Extent<T, 2>::Extent(Point<T, 2> const &other) noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)
39 : Super(other.asEigen()) {}
40
41template <typename T>
42Extent<T, 3>::Extent(Point<T, 3> const &other) noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)
43 : Super(other.asEigen()) {}
45
46template <typename T, int N>
49 for (int n = 0; n < N; ++n) r[n] = this->_vector[n] == other[n];
50 return r;
51}
52
53template <typename T, int N>
56 for (int n = 0; n < N; ++n) r[n] = this->_vector[n] != other[n];
57 return r;
58}
59
60template <typename T, int N>
63 for (int n = 0; n < N; ++n) r[n] = this->_vector[n] < other[n];
64 return r;
65}
66
67template <typename T, int N>
70 for (int n = 0; n < N; ++n) r[n] = this->_vector[n] <= other[n];
71 return r;
72}
73
74template <typename T, int N>
77 for (int n = 0; n < N; ++n) r[n] = this->_vector[n] > other[n];
78 return r;
79}
80
81template <typename T, int N>
84 for (int n = 0; n < N; ++n) r[n] = this->_vector[n] >= other[n];
85 return r;
86}
87
88template <typename T, int N>
90 return Point<T, N>(static_cast<Extent<T, N> const &>(*this));
91}
92
93template <typename T, int N>
96 return Point<T, N>(this->_vector + other.asEigen());
97}
98
99template <int N>
102 for (int i = 0; i < N; ++i) {
103 result[i] = static_cast<int>(input[i]);
105 return result;
106}
107
108template <int N>
109Extent<int, N> floor(Extent<double, N> const &input) noexcept {
110 Extent<int, N> result;
111 for (int i = 0; i < N; ++i) {
112 result[i] = std::floor(input[i]);
113 }
114 return result;
115}
116
117template <int N>
118Extent<int, N> ceil(Extent<double, N> const &input) noexcept {
119 Extent<int, N> result;
120 for (int i = 0; i < N; ++i) {
121 result[i] = std::ceil(input[i]);
122 }
123 return result;
124}
125
126template <typename T, int N>
127std::size_t hash_value(Extent<T, N> const &extent) noexcept {
128 std::size_t result = 0; // Completely arbitrary seed
129 for (int n = 0; n < N; ++n) result = cpputils::hashCombine(result, extent[n]);
130 return result;
132
133#ifndef DOXYGEN
134
135template class ExtentBase<int, 2>;
136template class ExtentBase<int, 3>;
137template class ExtentBase<double, 2>;
138template class ExtentBase<double, 3>;
139template class Extent<int, 2>;
140template class Extent<int, 3>;
141template class Extent<double, 2>;
142template class Extent<double, 3>;
147
150template Extent<int, 2> floor(Extent<double, 2> const &);
151template Extent<int, 3> floor(Extent<double, 3> const &);
152template Extent<int, 2> ceil(Extent<double, 2> const &);
153template Extent<int, 3> ceil(Extent<double, 3> const &);
154
155template std::size_t hash_value(Extent<int, 2> const &extent) noexcept;
156template std::size_t hash_value(Extent<int, 3> const &extent) noexcept;
157template std::size_t hash_value(Extent<double, 2> const &extent) noexcept;
158template std::size_t hash_value(Extent<double, 3> const &extent) noexcept;
159
160#endif // !DOXYGEN
161
162} // namespace geom
163} // namespace lsst
T ceil(T... args)
EigenVector const & asEigen() const noexcept(IS_ELEMENT_NOTHROW_COPYABLE)
A boolean coordinate.
CoordinateExpr< N > eq(Extent< T, N > const &other) const noexcept
Definition Extent.cc:47
CoordinateExpr< N > le(Extent< T, N > const &other) const noexcept
Definition Extent.cc:68
CoordinateExpr< N > lt(Extent< T, N > const &other) const noexcept
Definition Extent.cc:61
CoordinateExpr< N > ne(Extent< T, N > const &other) const noexcept
Definition Extent.cc:54
Point< T, N > asPoint() const noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)
Cast this object to an Extent of the same numeric type and dimensionality.
Definition Extent.cc:89
CoordinateExpr< N > gt(Extent< T, N > const &other) const noexcept
Definition Extent.cc:75
Extent< T, N > operator+() const noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)
Definition Extent.h:146
CoordinateExpr< N > ge(Extent< T, N > const &other) const noexcept
Definition Extent.cc:82
A coordinate class intended to represent offsets and dimensions.
Definition Extent.h:210
Extent(T val=static_cast< T >(0)) noexcept(Super::IS_ELEMENT_NOTHROW_COPYABLE)
Construct an Extent with all elements set to the same scalar value.
Definition Extent.h:217
A coordinate class intended to represent absolute positions.
Definition Point.h:169
T floor(T... args)
std::size_t hashCombine(std::size_t seed) noexcept
Combine hashes.
Definition hashCombine.h:35
Extent< int, N > floor(Extent< double, N > const &input) noexcept
Return the component-wise floor (round towards more negative).
Definition Extent.cc:109
Eigen::Vector3d asEigen(sphgeom::Vector3d const &vector) noexcept
std::size_t hash_value(Extent< T, N > const &extent) noexcept
Definition Extent.cc:127
Extent< int, N > truncate(Extent< double, N > const &input) noexcept
Return the component-wise truncation (round towards zero).
Definition Extent.cc:100
Extent< int, N > ceil(Extent< double, N > const &input) noexcept
Return the component-wise ceil (round towards more positive).
Definition Extent.cc:118