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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2015, Oracle and/or its affiliates.
// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_ENVELOPE_INITIALIZE_HPP
#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_ENVELOPE_INITIALIZE_HPP
#include <cstddef>
#include <boost/numeric/conversion/bounds.hpp>
#include <boost/geometry/core/access.hpp>
#include <boost/geometry/core/coordinate_dimension.hpp>
#include <boost/geometry/core/coordinate_type.hpp>
namespace boost { namespace geometry
{
#ifndef DOXYGEN_NO_DETAIL
namespace detail { namespace envelope
{
template <std::size_t Dimension, std::size_t DimensionCount>
struct initialize_loop
{
template <typename Box, typename CoordinateType>
static inline void apply(Box& box,
CoordinateType min_value,
CoordinateType max_value)
{
geometry::set<min_corner, Dimension>(box, min_value);
geometry::set<max_corner, Dimension>(box, max_value);
initialize_loop
<
Dimension + 1, DimensionCount
>::apply(box, min_value, max_value);
}
};
template <std::size_t DimensionCount>
struct initialize_loop<DimensionCount, DimensionCount>
{
template <typename Box, typename CoordinateType>
static inline void apply(Box&, CoordinateType, CoordinateType)
{
}
};
template
<
typename Box,
std::size_t Dimension = 0,
std::size_t DimensionCount = dimension<Box>::value
>
struct initialize
{
typedef typename coordinate_type<Box>::type coordinate_type;
static inline void apply(Box& box,
coordinate_type min_value
= boost::numeric::bounds<coordinate_type>::highest(),
coordinate_type max_value
= boost::numeric::bounds<coordinate_type>::lowest())
{
initialize_loop
<
Dimension, DimensionCount
>::apply(box, min_value, max_value);
}
};
}} // namespace detail::envelope
#endif // DOXYGEN_NO_DETAIL
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_ENVELOPE_INITIALIZE_HPP
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