github.com/searKing/golang/go@v1.2.117/runtime/cgosymbolizer/include/boost/config/no_tr1/complex.hpp (about)

     1  //  (C) Copyright John Maddock 2005.
     2  //  Use, modification and distribution are subject to the
     3  //  Boost Software License, Version 1.0. (See accompanying file
     4  //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
     5  //
     6  // The aim of this header is just to include <complex> but to do
     7  // so in a way that does not result in recursive inclusion of
     8  // the Boost TR1 components if boost/tr1/tr1/complex is in the
     9  // include search path.  We have to do this to avoid circular
    10  // dependencies:
    11  //
    12  
    13  #ifndef BOOST_CONFIG_COMPLEX
    14  #  define BOOST_CONFIG_COMPLEX
    15  
    16  #  ifndef BOOST_TR1_NO_RECURSION
    17  #     define BOOST_TR1_NO_RECURSION
    18  #     define BOOST_CONFIG_NO_COMPLEX_RECURSION
    19  #  endif
    20  
    21  #  include <complex>
    22  
    23  #  ifdef BOOST_CONFIG_NO_COMPLEX_RECURSION
    24  #     undef BOOST_TR1_NO_RECURSION
    25  #     undef BOOST_CONFIG_NO_COMPLEX_RECURSION
    26  #  endif
    27  
    28  #endif