QuantLib: a free/open-source library for quantitative finance
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functional.hpp
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1/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2
3/*
4 Copyright (C) 2018 StatPro Italia srl
5
6 This file is part of QuantLib, a free-software/open-source library
7 for financial quantitative analysts and developers - http://quantlib.org/
8
9 QuantLib is free software: you can redistribute it and/or modify it
10 under the terms of the QuantLib license. You should have received a
11 copy of the license along with this program; if not, please email
12 <quantlib-dev@lists.sf.net>. The license is also available online at
13 <http://quantlib.org/license.shtml>.
14
15 This program is distributed in the hope that it will be useful, but WITHOUT
16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17 FOR A PARTICULAR PURPOSE. See the license for more details.
18*/
19
20/*! \file ql/functional.hpp
21 \brief Maps function, bind and cref to either the boost or std implementation
22*/
23
24#ifndef quantlib_functional_hpp
25#define quantlib_functional_hpp
26
27#include <ql/qldefines.hpp>
28
29#if defined(QL_USE_STD_FUNCTION)
30#include <functional>
31#else
32#include <boost/function.hpp>
33#include <boost/bind/bind.hpp>
34#include <boost/ref.hpp>
35#endif
36
37namespace QuantLib {
38
39 namespace ext {
40
41 #if defined(QL_USE_STD_FUNCTION)
42 using std::function; // NOLINT(misc-unused-using-decls)
43 using std::bind; // NOLINT(misc-unused-using-decls)
44 using std::ref; // NOLINT(misc-unused-using-decls)
45 using std::cref; // NOLINT(misc-unused-using-decls)
46 namespace placeholders {
47 using namespace std::placeholders; // NOLINT(misc-unused-using-decls)
48 }
49 /*! \deprecated To check if a function is empty, use it in a bool context
50 instead of comparing it to QL_NULL_FUNCTION.
51 Deprecated in version 1.32.
52 */
53 #define QL_NULL_FUNCTION nullptr
54 #else
55 using boost::function; // NOLINT(misc-unused-using-decls)
56 using boost::bind; // NOLINT(misc-unused-using-decls)
57 using boost::ref; // NOLINT(misc-unused-using-decls)
58 using boost::cref; // NOLINT(misc-unused-using-decls)
59 namespace placeholders {
60 #if BOOST_VERSION >= 106000
61 using namespace boost::placeholders; // NOLINT(misc-unused-using-decls)
62 #else
63 using ::_1; // NOLINT(misc-unused-using-decls)
64 using ::_2; // NOLINT(misc-unused-using-decls)
65 using ::_3; // NOLINT(misc-unused-using-decls)
66 using ::_4; // NOLINT(misc-unused-using-decls)
67 using ::_5; // NOLINT(misc-unused-using-decls)
68 using ::_6; // NOLINT(misc-unused-using-decls)
69 using ::_7; // NOLINT(misc-unused-using-decls)
70 using ::_8; // NOLINT(misc-unused-using-decls)
71 using ::_9; // NOLINT(misc-unused-using-decls)
72 #endif
73 }
74 /*! \deprecated To check if a function is empty, use it in a bool context
75 instead of comparing it to QL_NULL_FUNCTION.
76 Deprecated in version 1.32.
77 */
78 #define QL_NULL_FUNCTION 0
79 #endif
80
81 }
82
83}
84
85
86#endif
87
Definition: any.hpp:35
Global definitions and compiler switches.