Chris@16: // Boost.Geometry (aka GGL, Generic Geometry Library)
Chris@16: 
Chris@16: // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
Chris@16: // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
Chris@16: // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
Chris@16: 
Chris@16: // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
Chris@16: // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
Chris@16: 
Chris@16: // Use, modification and distribution is subject to the Boost Software License,
Chris@16: // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #ifndef BOOST_GEOMETRY_UTIL_COORDINATE_CAST_HPP
Chris@16: #define BOOST_GEOMETRY_UTIL_COORDINATE_CAST_HPP
Chris@16: 
Chris@16: #include <cstdlib>
Chris@16: #include <string>
Chris@16: #include <boost/lexical_cast.hpp>
Chris@16: 
Chris@16: namespace boost { namespace geometry
Chris@16: {
Chris@16: 
Chris@16: #ifndef DOXYGEN_NO_DETAIL
Chris@16: namespace detail
Chris@16: {
Chris@16: 
Chris@16: /*!
Chris@16: \brief cast coordinates from a string to a coordinate type
Chris@16: \detail By default it uses lexical_cast. However, lexical_cast seems not to support
Chris@16:     ttmath / partial specializations. Therefore this small utility is added.
Chris@16:     See also "define_pi" where the same issue is solved
Chris@16: */
Chris@16: template <typename CoordinateType>
Chris@16: struct coordinate_cast
Chris@16: {
Chris@16:     static inline CoordinateType apply(std::string const& source)
Chris@16:     {
Chris@16: #if defined(BOOST_GEOMETRY_NO_LEXICAL_CAST)
Chris@16:         return atof(source.c_str());
Chris@16: #else
Chris@16:         return boost::lexical_cast<CoordinateType>(source);
Chris@16: #endif
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: } // namespace detail
Chris@16: #endif
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: }} // namespace boost::geometry
Chris@16: 
Chris@16: #endif // BOOST_GEOMETRY_UTIL_COORDINATE_CAST_HPP