CppADCodeGen 2.4.3
A C++ Algorithmic Differentiation Package with Source Code Generation
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unary.hpp
1#ifndef CPPAD_CG_UNARY_INCLUDED
2#define CPPAD_CG_UNARY_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>
22inline CG<Base> CG<Base>::operator+() const {
23 return CG<Base> (*this); // nothing to do
24}
25
26template<class Base>
27inline CG<Base> CG<Base>::operator-() const {
28 if (isParameter()) {
29 return CG<Base> (-getValue());
30
31 } else {
32 CodeHandler<Base>& h = *getCodeHandler();
33 CG<Base> result(*h.makeNode(CGOpCode::UnMinus, this->argument()));
34 if (isValueDefined()) {
35 result.setValue(-getValue());
36 }
37 return result;
38 }
39}
40
41} // END cg namespace
42} // END CppAD namespace
43
44#endif