1 /* 2 * [begin_description] 3 * Boost bind pull the placeholders, _1, _2, ... into global 4 * namespace. This can conflict with the C++03 TR1 and C++11 5 * std::placeholders. This header provides a workaround for 6 * this problem. 7 * [end_description] 8 * 9 * Copyright 2012 Christoph Koke 10 * Copyright 2012 Karsten Ahnert 11 * 12 * Distributed under the Boost Software License, Version 1.0. 13 * (See accompanying file LICENSE_1_0.txt or 14 * copy at http://www.boost.org/LICENSE_1_0.txt) 15 * */ 16 17 #ifndef BOOST_NUMERIC_ODEINT_UTIL_BIND_HPP_INCLUDED 18 #define BOOST_NUMERIC_ODEINT_UTIL_BIND_HPP_INCLUDED 19 20 21 #include <boost/numeric/odeint/config.hpp> 22 23 24 #if BOOST_NUMERIC_ODEINT_CXX11 25 #include <functional> 26 #else 27 #define BOOST_BIND_NO_PLACEHOLDERS 28 #include <boost/bind.hpp> 29 #endif 30 31 namespace boost { 32 namespace numeric { 33 namespace odeint { 34 namespace detail { 35 36 #if BOOST_NUMERIC_ODEINT_CXX11 37 38 using ::std::bind; 39 using namespace ::std::placeholders; 40 41 42 #else 43 44 // unnamed namespace to avoid multiple declarations (#138) 45 namespace { 46 using ::boost::bind; 47 boost::arg<1> _1; 48 boost::arg<2> _2; 49 } 50 // using ::boost::bind; 51 // using ::_1; 52 // using ::_2; 53 54 #endif 55 56 } 57 } 58 } 59 } 60 61 62 63 64 65 /* 66 67 // the following is the suggested way. Unfortunately it does not work with all compilers. 68 69 #ifdef BOOST_NO_CXX11_HDR_FUNCTIONAL 70 #include <boost/bind.hpp> 71 #else 72 #include <functional> 73 #endif 74 75 76 namespace boost { 77 namespace numeric { 78 namespace odeint { 79 namespace detail { 80 81 82 #ifdef BOOST_NO_CXX11_HDR_FUNCTIONAL 83 84 using ::boost::bind; 85 using ::_1; 86 using ::_2; 87 88 #else 89 90 using ::std::bind; 91 using namespace ::std::placeholders; 92 93 #endif 94 95 96 } 97 } 98 } 99 }*/ 100 101 #endif // BOOST_NUMERIC_ODEINT_UTIL_BIND_HPP_INCLUDED 102