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TriDist.h
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/*************************************************************************\
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Copyright 1999 The University of North Carolina at Chapel Hill.
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All Rights Reserved.
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Permission to use, copy, modify and distribute this software and its
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documentation for educational, research and non-profit purposes, without
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fee, and without a written agreement is hereby granted, provided that the
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above copyright notice and the following three paragraphs appear in all
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copies.
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IN NO EVENT SHALL THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL BE
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LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR
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CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE
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USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY
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OF NORTH CAROLINA HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH
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DAMAGES.
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THE UNIVERSITY OF NORTH CAROLINA SPECIFICALLY DISCLAIM ANY
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WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
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PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
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NORTH CAROLINA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT,
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UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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The authors may be contacted via:
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US Mail: E. Larsen
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Department of Computer Science
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Sitterson Hall, CB #3175
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University of N. Carolina
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Chapel Hill, NC 27599-3175
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Phone: (919)962-1749
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EMail: geom@cs.unc.edu
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\**************************************************************************/
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#ifndef PQP_TRIDIST_H
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#define PQP_TRIDIST_H
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#include "PQP_Compile.h"
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// TriDist()
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//
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// computes the closest points on two triangles, and returns the
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// distance between them.
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//
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// s and t are the triangles, stored tri[point][dimension].
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//
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// If the triangles are disjoint, p and q give the closest points of
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// s and t respectively. However, if the triangles overlap, p and q
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// are basically a random pair of points from the triangles, not
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// coincident points on the intersection of the triangles, as might
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// be expected.
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PQP_REAL
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TriDist(PQP_REAL p[3], PQP_REAL q[3],
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const
PQP_REAL s[3][3],
const
PQP_REAL t[3][3]);
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#endif
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