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55 lines
1.5 KiB
55 lines
1.5 KiB
// Boost.Geometry (aka GGL, Generic Geometry Library) |
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// Copyright (c) 2007-2011 Barend Gehrels, Amsterdam, the Netherlands. |
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// Copyright (c) 2008-2011 Bruno Lalande, Paris, France. |
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// Copyright (c) 2009-2011 Mateusz Loskot, London, UK. |
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library |
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. |
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// Use, modification and distribution is subject to the Boost Software License, |
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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#ifndef BOOST_GEOMETRY_UTIL_COORDINATE_CAST_HPP |
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#define BOOST_GEOMETRY_UTIL_COORDINATE_CAST_HPP |
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#include <cstdlib> |
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#include <string> |
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#include <boost/lexical_cast.hpp> |
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namespace boost { namespace geometry |
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{ |
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#ifndef DOXYGEN_NO_DETAIL |
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namespace detail |
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{ |
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/*! |
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\brief cast coordinates from a string to a coordinate type |
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\detail By default it uses lexical_cast. However, lexical_cast seems not to support |
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ttmath / partial specializations. Therefore this small utility is added. |
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See also "define_pi" where the same issue is solved |
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*/ |
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template <typename CoordinateType> |
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struct coordinate_cast |
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{ |
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static inline CoordinateType apply(std::string const& source) |
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{ |
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#if defined(BOOST_GEOMETRY_NO_LEXICAL_CAST) |
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return atof(source.c_str()); |
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#else |
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return boost::lexical_cast<CoordinateType>(source); |
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#endif |
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} |
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}; |
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} // namespace detail |
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#endif |
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}} // namespace boost::geometry |
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#endif // BOOST_GEOMETRY_UTIL_COORDINATE_CAST_HPP
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