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// ***********************************************************************
//
// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
// Copyright (2003) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov)
//
// ***********************************************************************
// @HEADER
#ifndef NULL_SPACE_STEP_WITH_INEQU_STD_STEP_H
#define NULL_SPACE_STEP_WITH_INEQU_STD_STEP_H
#include "MoochoPack_Types.hpp"
#include "IterationPack_AlgorithmStep.hpp"
#include "IterationPack_CastIQMember.hpp"
#include "MoochoPack_d_bounds_iter_quant.hpp"
#include "MoochoPack_qp_solver_stats.hpp"
#include "MoochoPack_act_set_stats.hpp"
#include "ConstrainedOptPack_QPSolverRelaxed.hpp"
#include "ConstrainedOptPack_QPSolverRelaxedTester.hpp"
#include "Teuchos_StandardCompositionMacros.hpp"
#include "Teuchos_StandardMemberCompositionMacros.hpp"
namespace MoochoPack {
/** \brief Solves the reduced QP subproblem with bounds and/or general
* inequalities.
*
* ToDo: Finish documentation.
*/
class TangentialStepWithInequStd_Step
: public IterationPack::AlgorithmStep // doxygen needs full path
{
public:
/// QP solver
STANDARD_COMPOSITION_MEMBERS( QPSolverRelaxed, qp_solver );
/// QP solver tester
STANDARD_COMPOSITION_MEMBERS( QPSolverRelaxedTester, qp_tester );
/** \brief Set the ratio of the number of inequality constraints in the
* active-set of the last two calls before a warm start is attempted.
*/
STANDARD_MEMBER_COMPOSITION_MEMBERS( value_type, warm_start_frac );
/** \brief . */
enum EQPTesting { QP_TEST_DEFAULT, QP_TEST, QP_NO_TEST };
/** \brief Set how and if the QP solution is tested.
*
* ToDo: Finish documentation.
*/
STANDARD_MEMBER_COMPOSITION_MEMBERS( EQPTesting, qp_testing );
/** \brief Determine if a QPFailure exception is thrown if the QP solver
* returns PRIMAL_FEASIBLE_POINT.
*/
STANDARD_MEMBER_COMPOSITION_MEMBERS( bool, primal_feasible_point_error );
/** \brief Determine if a \c QPFailure exception is thrown if the QP solver
* returns \c DUAl_FEASIBLE_POINT.
*/
STANDARD_MEMBER_COMPOSITION_MEMBERS( bool, dual_feasible_point_error );
/// Construct and initialize
TangentialStepWithInequStd_Step(
const qp_solver_ptr_t &qp_solver
,const qp_tester_ptr_t &qp_tester
,value_type warm_start_frac = 0.8
,EQPTesting qp_testing = QP_TEST_DEFAULT
,bool primal_feasible_point_error = true
,bool dual_feasible_point_error = true
);
/** @name Overridden from AlgorithmStep */
//@{
/** \brief . */
bool do_step(Algorithm& algo, poss_type step_poss, IterationPack::EDoStepType type
, poss_type assoc_step_poss);
/** \brief . */
void print_step( const Algorithm& algo, poss_type step_poss, IterationPack::EDoStepType type
, poss_type assoc_step_poss, std::ostream& out, const std::string& leading_str ) const;
//@}
private:
IterationPack::CastIQMember<VectorMutable> dl_iq_;
IterationPack::CastIQMember<VectorMutable> du_iq_;
qp_solver_stats_iq_member qp_solver_stats_;
act_set_stats_iq_member act_set_stats_;
// not defined and not to be called
TangentialStepWithInequStd_Step();
}; // end class TangentialStepWithInequStd_Step
} // end namespace MoochoPack
#endif // NULL_SPACE_STEP_WITH_INEQU_STD_STEP_H
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