ceph/src/boost/libs/numeric/odeint/include/boost/numeric/odeint/util/bind.hpp

   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