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LSST Data Management Base Package
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PermMap.h
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1/*
2 * LSST Data Management System
3 * Copyright 2017 AURA/LSST.
4 *
5 * This product includes software developed by the
6 * LSST Project (http://www.lsst.org/).
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 LSST License Statement and
19 * the GNU General Public License along with this program. If not,
20 * see <https://www.lsstcorp.org/LegalNotices/>.
21 */
22#ifndef ASTSHIM_PERMMAP_H
23#define ASTSHIM_PERMMAP_H
24
25#include <memory>
26#include <algorithm> // for std::max
27#include <sstream>
28#include <stdexcept>
29
30#include "astshim/base.h"
31#include "astshim/Mapping.h"
32
33namespace ast {
34
47class PermMap : public Mapping {
48 friend class Object;
49
50public:
77 explicit PermMap(std::vector<int> const &inperm, std::vector<int> const &outperm,
78 std::vector<double> const &constant = {}, std::string const &options = "")
79 : Mapping(reinterpret_cast<AstMapping *>(makeRawMap(inperm, outperm, constant, options))) {}
80
81 virtual ~PermMap() {}
82
84 PermMap(PermMap const &) = default;
85 PermMap(PermMap &&) = default;
86 PermMap &operator=(PermMap const &) = delete;
87 PermMap &operator=(PermMap &&) = default;
88
90 std::shared_ptr<PermMap> copy() const { return std::static_pointer_cast<PermMap>(copyPolymorphic()); }
91
92protected:
93 virtual std::shared_ptr<Object> copyPolymorphic() const override {
94 return copyImpl<PermMap, AstPermMap>();
95 }
96
98 explicit PermMap(AstPermMap *rawptr) : Mapping(reinterpret_cast<AstMapping *>(rawptr)) {
99 if (!astIsAPermMap(getRawPtr())) {
101 os << "this is a " << getClassName() << ", which is not a PermMap";
102 throw std::invalid_argument(os.str());
103 }
104 }
105
106private:
107 AstPermMap *makeRawMap(std::vector<int> const &inperm, std::vector<int> const &outperm,
108 std::vector<double> const &constant = {}, std::string const &options = "");
109};
110
111} // namespace ast
112
113#endif
std::ostream * os
Definition Schema.cc:557
An abstract base class for objects which transform one set of coordinates to another.
Definition Mapping.h:59
Abstract base class for all AST objects.
Definition Object.h:51
std::string getClassName() const
Get Class: the name of the class (e.g.
Definition Object.h:139
AstObject const * getRawPtr() const
Get the raw AST pointer.
Definition Object.h:292
A Mapping which permutes the order of coordinates, and possibly also changes the number of coordinate...
Definition PermMap.h:47
PermMap & operator=(PermMap &&)=default
PermMap(std::vector< int > const &inperm, std::vector< int > const &outperm, std::vector< double > const &constant={}, std::string const &options="")
Construct a PermMap.
Definition PermMap.h:77
virtual std::shared_ptr< Object > copyPolymorphic() const override
Return a deep copy of this object.
Definition PermMap.h:93
std::shared_ptr< PermMap > copy() const
Return a deep copy of this object.
Definition PermMap.h:90
PermMap(AstPermMap *rawptr)
Construct a PermMap from a raw AST pointer.
Definition PermMap.h:98
virtual ~PermMap()
Definition PermMap.h:81
PermMap(PermMap const &)=default
Copy constructor: make a deep copy.
PermMap & operator=(PermMap const &)=delete
PermMap(PermMap &&)=default
AST wrapper classes and functions.