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iround.h
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// This file may be redistributed and modified only under the terms of
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// the GNU General Public License (See COPYING for details).
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// Copyright (C) 2003 Alistair Riddoch
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#ifndef MERCATOR_IROUND_H
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#define MERCATOR_IROUND_H
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//MSVC 11.0 doesn't support std::lround so we'll use boost. When MSVC gains support for std::lround this could be removed.
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#ifdef _MSC_VER
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#include <boost/math/special_functions/round.hpp>
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#define I_ROUND(_x) (boost::math::lround(_x))
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#else
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#include <cmath>
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#define I_ROUND(_x) (std::lround(_x))
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#endif
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#endif // MERCATOR_IROUND_H
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