CppADCodeGen 2.4.3
A C++ Algorithmic Differentiation Package with Source Code Generation
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argument.hpp
1#ifndef CPPAD_CG_ARGUMENT_INCLUDED
2#define CPPAD_CG_ARGUMENT_INCLUDED
3/* --------------------------------------------------------------------------
4 * CppADCodeGen: C++ Algorithmic Differentiation with Source Code Generation:
5 * Copyright (C) 2012 Ciengis
6 *
7 * CppADCodeGen is distributed under multiple licenses:
8 *
9 * - Eclipse Public License Version 1.0 (EPL1), and
10 * - GNU General Public License Version 3 (GPL3).
11 *
12 * EPL1 terms and conditions can be found in the file "epl-v10.txt", while
13 * terms and conditions for the GPL3 can be found in the file "gpl3.txt".
14 * ----------------------------------------------------------------------------
15 * Author: Joao Leal
16 */
17
18namespace CppAD {
19namespace cg {
20
21template<class Base>
22class OperationNode;
23
30template<class Base>
31class Argument {
32private:
33 OperationNode<Base>* operation_;
34 std::unique_ptr<Base> parameter_;
35public:
36
37 inline Argument() :
38 operation_(nullptr) {
39 }
40
41 inline Argument(OperationNode<Base>& operation) :
42 operation_(&operation) {
43 }
44
45 inline Argument(const Base& parameter) :
46 operation_(nullptr),
47 parameter_(new Base(parameter)) {
48 }
49
50 inline Argument(const Argument& orig) :
51 operation_(orig.operation_),
52 parameter_(orig.parameter_ != nullptr ? new Base(*orig.parameter_) : nullptr) {
53 }
54
55 inline Argument(Argument&& orig) :
56 operation_(orig.operation_),
57 parameter_(std::move(orig.parameter_)) {
58 }
59
60 inline Argument& operator=(const Argument& rhs) {
61 if (&rhs == this) {
62 return *this;
63 }
64 if (rhs.operation_ != nullptr) {
65 operation_ = rhs.operation_;
66 parameter_.reset();
67 } else {
68 operation_ = nullptr;
69 if (parameter_ != nullptr) {
70 *parameter_ = *rhs.parameter_;
71 } else {
72 parameter_.reset(new Base(*rhs.parameter_)); // to replace with parameter_ = std::make_unique once c++14 is used
73 }
74 }
75 return *this;
76 }
77
78 inline Argument& operator=(Argument&& rhs) {
79 assert(this != &rhs);
80
81 operation_ = rhs.operation_;
82
83 // steal the parameter
84 parameter_ = std::move(rhs.parameter_);
85
86 return *this;
87 }
88
89 virtual ~Argument() = default;
90
91 inline OperationNode<Base>* getOperation() const {
92 return operation_;
93 }
94
95 inline Base* getParameter() const {
96 return parameter_.get();
97 }
98
99};
100
101} // END cg namespace
102} // END CppAD namespace
103
104#endif