139 lines
3.0 KiB
C
139 lines
3.0 KiB
C
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// Copyright (c) 1997-2007 ETH Zurich (Switzerland).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org).
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//
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// $URL: https://github.com/CGAL/cgal/blob/v5.1/QP_solver/include/CGAL/QP_options.h $
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// $Id: QP_options.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
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// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
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//
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//
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// Author(s) : Bernd Gaertner <gaertner@inf.ethz.ch>
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#ifndef CGAL_QP_OPTIONS_H
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#define CGAL_QP_OPTIONS_H
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#include <CGAL/license/QP_solver.h>
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#include <CGAL/disable_warnings.h>
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// this file defines a class for passing options to the linear and
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// quadratic programming solvers
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#include<string>
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#include<CGAL/QP_solver/basic.h>
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namespace CGAL {
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enum Quadratic_program_pricing_strategy
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{
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QP_CHOOSE_DEFAULT,
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QP_DANTZIG,
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QP_FILTERED_DANTZIG,
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QP_PARTIAL_DANTZIG,
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QP_PARTIAL_FILTERED_DANTZIG,
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QP_BLAND
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};
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class Quadratic_program_options
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{
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public:
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// default constructor
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// -------------------
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Quadratic_program_options ()
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: verbosity_ (0), pricing_strategy_ (QP_CHOOSE_DEFAULT),
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validation_flag_ (false)
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{}
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// set/get verbosity
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// -----------------
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int get_verbosity () const
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{
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return verbosity_;
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}
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void set_verbosity (int verbosity)
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{
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CGAL_qpe_assertion ( 0 <= verbosity && verbosity <= 5);
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verbosity_ = verbosity;
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}
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// set/get pricing strategy
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// ------------------------
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Quadratic_program_pricing_strategy get_pricing_strategy() const
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{
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return pricing_strategy_;
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}
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void set_pricing_strategy
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(Quadratic_program_pricing_strategy pricing_strategy)
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{
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pricing_strategy_ = pricing_strategy;
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}
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// set/get validation flag
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// -----------------------
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bool get_auto_validation() const
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{
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return validation_flag_;
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}
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void set_auto_validation (bool validate)
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{
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validation_flag_ = validate;
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}
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private:
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// verbosity
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// ---------
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// 0: silent
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// 1: short iteration summary (recommened for the user)
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// >= 2: output of internal details (not recommend for the user)
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int verbosity_;
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// pricing_strategy
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// ----------------
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Quadratic_program_pricing_strategy pricing_strategy_;
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// validation
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// ----------
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bool validation_flag_;
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};
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// output
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// ------
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inline
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std::ostream& operator<< (std::ostream& o,
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const Quadratic_program_options& options)
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{
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o << " Verbosity: " << options.get_verbosity() << "\n";
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o << " Pricing strategy: ";
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switch (options.get_pricing_strategy()) {
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case QP_CHOOSE_DEFAULT:
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o << "QP_CHOOSE_DEFAULT";
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break;
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case QP_DANTZIG:
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o << "QP_DANTZIG";
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break;
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case QP_FILTERED_DANTZIG:
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o << "QP_FILTERED_DANTZIG";
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break;
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case QP_PARTIAL_DANTZIG:
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o << "QP_PARTIAL_FILTERED_DANTZIG";
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break;
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case QP_PARTIAL_FILTERED_DANTZIG:
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o << "QP_PARTIAL_FILTERED_DANTZIG";
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break;
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case QP_BLAND:
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o << "QP_BLAND";
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}
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o << "\n";
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o << " Auto-validation: " << options.get_auto_validation() << std::endl;
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return o;
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}
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} //namespace CGAL
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#include <CGAL/enable_warnings.h>
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#endif // CGAL_QP_OPTIONS_H
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