48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
|
// Copyright (c) 1997-2007 ETH Zurich (Switzerland).
|
||
|
|
// All rights reserved.
|
||
|
|
//
|
||
|
|
// This file is part of CGAL (www.cgal.org).
|
||
|
|
// You can redistribute it and/or modify it under the terms of the GNU
|
||
|
|
// General Public License as published by the Free Software Foundation,
|
||
|
|
// either version 3 of the License, or (at your option) any later version.
|
||
|
|
//
|
||
|
|
// Licensees holding a valid commercial license may use this file in
|
||
|
|
// accordance with the commercial license agreement provided with the software.
|
||
|
|
//
|
||
|
|
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
|
||
|
|
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
||
|
|
//
|
||
|
|
// $URL$
|
||
|
|
// $Id$
|
||
|
|
// SPDX-License-Identifier: GPL-3.0+
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// Author(s) : Sven Schoenherr
|
||
|
|
// Bernd Gaertner <gaertner@inf.ethz.ch>
|
||
|
|
// Franz Wessendorp
|
||
|
|
// Kaspar Fischer
|
||
|
|
|
||
|
|
#ifndef CGAL_QP_SOLVER_UNBOUNDED_DIRECTION_H
|
||
|
|
#define CGAL_QP_SOLVER_UNBOUNDED_DIRECTION_H
|
||
|
|
|
||
|
|
#include <CGAL/license/QP_solver.h>
|
||
|
|
|
||
|
|
|
||
|
|
namespace CGAL {
|
||
|
|
template < typename Q, typename ET, typename Tags >
|
||
|
|
ET QP_solver<Q, ET, Tags>::unbounded_direction_value(int i) const
|
||
|
|
{
|
||
|
|
if (is_basic(i)) { // basic variable?
|
||
|
|
return direction == 1 ? -q_x_O[in_B[i]] : q_x_O[in_B[i]];
|
||
|
|
} else { // non-basic variable?
|
||
|
|
if (i == j) // most recent entering variable?
|
||
|
|
return direction == 1 ? d : -d;
|
||
|
|
return et0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} //namespace CGAL
|
||
|
|
|
||
|
|
#endif // CGAL_QP_SOLVER_UNBOUNDED_DIRECTION_H
|
||
|
|
|
||
|
|
// ===== EOF ==================================================================
|