odeint/util/bind.hpp

0001 /*
0002  *     [begin_description]
0003  *     Boost bind pull the placeholders, _1, _2, ... into global
0004  *     namespace. This can conflict with the C++03 TR1 and C++11
0005  *     std::placeholders. This header provides a workaround for
0006  *     this problem.
0007  *     [end_description]
0008  *
0009  *     Copyright 2012 Christoph Koke
0010  *     Copyright 2012 Karsten Ahnert
0011  *
0012  *     Distributed under the Boost Software License, Version 1.0.
0013  *     (See accompanying file LICENSE_1_0.txt or
0014  *     copy at http://www.boost.org/LICENSE_1_0.txt)
0015  * */
0016
0017 #ifndef BOOST_NUMERIC_ODEINT_UTIL_BIND_HPP_INCLUDED
0018 #define BOOST_NUMERIC_ODEINT_UTIL_BIND_HPP_INCLUDED
0019
0020
0021 #include <boost/numeric/odeint/config.hpp>
0022
0023
0024 #if BOOST_NUMERIC_ODEINT_CXX11
0025     #include <functional>
0026 #else
0027 #define BOOST_BIND_NO_PLACEHOLDERS
0028 #include <boost/bind.hpp>
0029 #endif
0030
0031 namespace boost {
0032 namespace numeric {
0033 namespace odeint {
0034 namespace detail {
0035
0036 #if BOOST_NUMERIC_ODEINT_CXX11
0037
0038 using ::std::bind;
0039 using namespace ::std::placeholders;
0040
0041
0042 #else
0043
0044 // unnamed namespace to avoid multiple declarations (#138)
0045 namespace {
0046 using ::boost::bind;
0047 boost::arg<1> _1;
0048 boost::arg<2> _2;
0049 }
0050 // using ::boost::bind;
0051 // using ::_1;
0052 // using ::_2;
0053
0054 #endif
0055
0056 }
0057 }
0058 }
0059 }
0060
0061
0062
0063
0064
0065 /*
0066
0067 // the following is the suggested way. Unfortunately it does not work with all compilers.
0068
0069 #ifdef BOOST_NO_CXX11_HDR_FUNCTIONAL
0070 #include <boost/bind.hpp>
0071 #else
0072 #include <functional>
0073 #endif
0074
0075
0076 namespace boost {
0077 namespace numeric {
0078 namespace odeint {
0079 namespace detail {
0080
0081
0082 #ifdef BOOST_NO_CXX11_HDR_FUNCTIONAL
0083
0084 using ::boost::bind;
0085 using ::_1;
0086 using ::_2;
0087
0088 #else
0089
0090 using ::std::bind;
0091 using namespace ::std::placeholders;
0092
0093 #endif
0094
0095
0096 }
0097 }
0098 }
0099 }*/
0100
0101 #endif // BOOST_NUMERIC_ODEINT_UTIL_BIND_HPP_INCLUDED