/usr/include/SFCGAL/algorithm/distance.h is in libsfcgal-dev 1.2.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* SFCGAL
*
* Copyright (C) 2012-2013 Oslandia <infos@oslandia.com>
* Copyright (C) 2012-2013 IGN (http://www.ign.fr)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SFCGAL_ALGORITHM_DISTANCE_H_
#define _SFCGAL_ALGORITHM_DISTANCE_H_
#include <SFCGAL/config.h>
#include <SFCGAL/Geometry.h>
namespace SFCGAL {
namespace algorithm {
struct NoValidityCheck;
/**
* Compute the distance between two Geometries
* @ingroup public_api
* @pre gA is a valid geometry
* @pre gB is a valid geometry
*/
SFCGAL_API double distance( const Geometry& gA, const Geometry& gB ) ;
/**
* Compute the distance between two Geometries
* @ingroup detail
* @pre gA is a valid geometry
* @pre gB is a valid geometry
* @warning No actual validity check is done
*/
SFCGAL_API double distance( const Geometry& gA, const Geometry& gB, NoValidityCheck ) ;
/**
* dispatch distance from Point to Geometry
* @ingroup detail
*/
SFCGAL_API double distancePointGeometry( const Point& gA, const Geometry& gB ) ;
/**
* distance between two Points
* @ingroup detail
*/
SFCGAL_API double distancePointPoint( const Point& gA, const Point& gB ) ;
/**
* distance between a Point and a LineString
* @ingroup detail
*/
SFCGAL_API double distancePointLineString( const Point& gA, const LineString& gB ) ;
/**
* distance between a Point and a Polygon
* @ingroup detail
*/
SFCGAL_API double distancePointPolygon( const Point& gA, const Polygon& gB ) ;
/**
* distance between a Point and a Triangle
* @ingroup detail
*/
SFCGAL_API double distancePointTriangle( const Point& gA, const Triangle& gB ) ;
/**
* dispatch distance from LineString to Geometry
* @ingroup detail
*/
SFCGAL_API double distanceLineStringGeometry( const LineString& gA, const Geometry& gB ) ;
/**
* distance between two LineStrings
* @ingroup detail
*/
SFCGAL_API double distanceLineStringLineString( const LineString& gA, const LineString& gB ) ;
/**
* distance between a LineString and a Polygon
* @ingroup detail
*/
SFCGAL_API double distanceLineStringPolygon( const LineString& gA, const Polygon& gB ) ;
/**
* distance between a LineString and a Triangle
* @ingroup detail
*/
SFCGAL_API double distanceLineStringTriangle( const LineString& gA, const Triangle& gB ) ;
/**
* dispatch distance from Polygon to Geometry
* @ingroup detail
*/
SFCGAL_API double distancePolygonGeometry( const Polygon& gA, const Geometry& gB ) ;
/**
* distance between two Polygons
* @ingroup detail
*/
SFCGAL_API double distancePolygonPolygon( const Polygon& gA, const Polygon& gB ) ;
/**
* distance between a Polygon and a Triangle
* @ingroup detail
*/
SFCGAL_API double distancePolygonTriangle( const Polygon& gA, const Triangle& gB ) ;
/**
* dispatch distance from a Triangle to a Geometry
* @ingroup detail
*/
SFCGAL_API double distanceTriangleGeometry( const Triangle& gA, const Geometry& gB ) ;
/**
* dispatch distance from a collection of geometry (gA) to a Geometry (gB)
* @ingroup detail
*/
SFCGAL_API double distanceGeometryCollectionToGeometry( const Geometry& gA, const Geometry& gB ) ;
/**
* @ingroup detail
*/
SFCGAL_API double distancePointSegment( const Point& p, const Point& a, const Point& b ) ;
/**
* @ingroup detail
*/
SFCGAL_API double distanceSegmentSegment( const Point& a, const Point& b, const Point& c, const Point& d );
}//namespace algorithm
}//namespace SFCGAL
#endif
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