extremalPtSurfSurf.h

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//===========================================================================
// GoTools - SINTEF Geometry Tools version 1.1
//
// GoTools module: CORE
//
// Copyright (C) 2000-2007 SINTEF ICT, Applied Mathematics, Norway.
//
// This program is free software; you can redistribute it and/or          
// modify it under the terms of the GNU General Public License            
// as published by the Free Software Foundation version 2 of the License. 
//
// This program 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 General Public License for more details.                           
//
// You should have received a copy of the GNU General Public License      
// along with this program; if not, write to the Free Software            
// Foundation, Inc.,                                                      
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//
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// SINTEF ICT, Department of Applied Mathematics,                         
// P.O. Box 124 Blindern,                                                 
// 0314 Oslo, Norway.                                                     
//
// Other licenses are also available for this software, notably licenses
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//===========================================================================
#ifndef _EXTREMALPTSURFSURF_H
#define _EXTREMALPTSURFSURF_H

#include "ParamSurface.h"

namespace Go {

int extremalPtSurfSurf(ParamSurface* psurf1, ParamSurface* psurf2,
                      int    constraints[2], double constraints_par[2],
                      double limit[], double enext[],
                      double gpos[], double angle_tol);


// Anonymous namespace
namespace {



void insideParamDomain(double gd[], double coef[],double limit[]);


void nextStep(double cdiff[],std::vector<Point> evals,
              std::vector<Point> evalq);


} // Anonymous namespace


} // namespace Go  

#endif // _EXTREMALPTSURFSURF_H

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