cgal/QP_solver/include/CGAL/QP_options.h

91 lines
2.2 KiB
C++

// Copyright (c) 1997-2001 ETH Zurich (Switzerland).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you may redistribute it under
// the terms of the Q Public License version 1.0.
// See the file LICENSE.QPL distributed with CGAL.
//
// 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: svn+ssh://gaertner@scm.gforge.inria.fr/svn/cgal/trunk/QP_solver/include/CGAL/QP_options.h $
// $Id: QP_options.h 38125 2007-04-14 15:39:55Z gaertner $
//
//
// Author(s) : Bernd Gaertner <gaertner@inf.ethz.ch>
#ifndef CGAL_QP_OPTIONS_H
#define CGAL_QP_OPTIONS_H
// this file defines a class for passing options to the linear and
// quadratic programming solvers
#include<string>
#include<CGAL/QP_solver/basic.h>
CGAL_BEGIN_NAMESPACE
enum Quadratic_program_pricing_strategy
{
QP_CHOOSE_DEFAULT,
QP_DANTZIG,
QP_FILTERED_DANTZIG,
QP_PARTIAL_DANTZIG,
QP_PARTIAL_FILTERED_DANTZIG,
QP_BLAND
};
class Quadratic_program_options
{
public:
// default constructor
// -------------------
Quadratic_program_options ()
: verbosity_ (0), pricing_strategy_ (QP_CHOOSE_DEFAULT)
{}
// set/get verbosity
// -----------------
int get_verbosity () const
{
return verbosity_;
}
void set_verbosity (int verbosity)
{
CGAL_qpe_assertion ( 0 <= verbosity && verbosity <= 5);
verbosity_ = verbosity;
}
// set/get pricing strategy
// ------------------------
Quadratic_program_pricing_strategy get_pricing_strategy() const
{
return pricing_strategy_;
}
void set_pricing_strategy
(Quadratic_program_pricing_strategy pricing_strategy)
{
pricing_strategy_ = pricing_strategy;
}
private:
// verbosity
// ---------
// 0: silent
// 1: short iteration summary (recommened for the user)
// >= 2: output of internal details (not recommend for the user)
int verbosity_;
// pricing_strategy
// ----------------
Quadratic_program_pricing_strategy pricing_strategy_;
};
CGAL_END_NAMESPACE
#endif // CGAL_QP_OPTIONS_H