[/============================================================================
  Boost.Geometry (aka GGL, Generic Geometry Library)

  Copyright (c) 2007-2013 Barend Gehrels, Amsterdam, the Netherlands.
  Copyright (c) 2008-2013 Bruno Lalande, Paris, France.
  Copyright (c) 2009-2013 Mateusz Loskot, London, UK.

  Use, modification and distribution is subject to 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)
=============================================================================/]


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[section:equals_3_with_strategy equals (with strategy)]

'''<indexterm><primary>equals</primary></indexterm>'''
Checks if a geometry are spatially equal. 

[heading Description]
The free function equals checks if the first geometry is spatially equal the second geometry. Spatially equal means that the same point set is included. A box can therefore be spatially equal to a ring or a polygon, or a linestring can be spatially equal to a multi-linestring or a segment. This only works theoretically, not all combinations are implemented yet.

[heading Synopsis]
``template<typename Geometry1, typename Geometry2, typename Strategy>
bool equals(Geometry1 const & geometry1, Geometry2 const & geometry2, Strategy const & strategy)``

[heading Parameters]

[table
[[Type] [Concept] [Name] [Description] ]
[[Geometry1 const &] [Any type fulfilling a Geometry Concept ] [geometry1] [A model of the specified concept ]]
[[Geometry2 const &] [Any type fulfilling a Geometry Concept ] [geometry2] [A model of the specified concept ]]
[[Strategy const &] [Any type fulfilling a Equals Strategy Concept ] [strategy] [The strategy which will be used for equals calculations ]]
]


[heading Returns]
Returns true if two geometries are spatially equal

[heading Header]
Either

`#include <boost/geometry.hpp>`


Or

`#include <boost/geometry/algorithms/equals.hpp>`

[include reference/algorithms/equals.qbk]


[endsect]

[section:equals_2 equals]

'''<indexterm><primary>equals</primary></indexterm>'''
Checks if a geometry are spatially equal. 

[heading Description]
The free function equals checks if the first geometry is spatially equal the second geometry. Spatially equal means that the same point set is included. A box can therefore be spatially equal to a ring or a polygon, or a linestring can be spatially equal to a multi-linestring or a segment. This only works theoretically, not all combinations are implemented yet.

[heading Synopsis]
``template<typename Geometry1, typename Geometry2>
bool equals(Geometry1 const & geometry1, Geometry2 const & geometry2)``

[heading Parameters]

[table
[[Type] [Concept] [Name] [Description] ]
[[Geometry1 const &] [Any type fulfilling a Geometry Concept ] [geometry1] [A model of the specified concept ]]
[[Geometry2 const &] [Any type fulfilling a Geometry Concept ] [geometry2] [A model of the specified concept ]]
]


[heading Returns]
Returns true if two geometries are spatially equal

[heading Header]
Either

`#include <boost/geometry.hpp>`


Or

`#include <boost/geometry/algorithms/equals.hpp>`

[include reference/algorithms/equals.qbk]


[endsect]