text: //
  //  Upcaste Performance Libraries
  //  Copyright (C) 2012-2013 Jesse W. Towner
  //
  //  Permission is hereby granted, free of charge, to any person obtaining
  //  a copy of this software and associated documentation files (the
  //  "Software"), to deal in the Software without restriction, including
  //  without limitation the rights to use, copy, modify, merge, publish,
  //  distribute, sublicense, and/or sell copies of the Software, and to
  //  permit persons to whom the Software is furnished to do so, subject to
  //  the following conditions:
  //
  //  The above copyright notice and this permission notice shall be
  //  included in all copies or substantial portions of the Software.
  //
  //  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  //  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  //  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  //  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  //  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  //  TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  //  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  //
  
  #ifndef UP_CFENV_HPP
  #define UP_CFENV_HPP
  
  #include <up/prolog.hpp>
  #if defined UP_HAS_STDC_FENV
  #   include <up/detail/cfenv_c99.inl>
  #elif UP_STDC_EXTENSIONS == UP_STDC_EXTENSIONS_MSVC
  #   include <up/detail/cfenv_msvc.inl>
  #else
  #   error "No fenv.h compatability layer for target platform."
  #endif
  
  #endif
  