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# src/Algorithm/IpQualityFunctionMuOracle.hpp

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    00001 // Copyright (C) 2004, 2006 International Business Machines and others.
    00002 // All Rights Reserved.
    00003 // This code is published under the Eclipse Public License.
    00004 //
    00005 // $Id: IpQualityFunctionMuOracle.hpp 1861 2010-12-21 21:34:47Z andreasw $
    00006 //
    00007 // Authors:  Andreas Waechter             IBM    2004-11-12
    00008
    00009 #ifndef __IPQUALITYFUNCTIONMUORACLE_HPP__
    00010 #define __IPQUALITYFUNCTIONMUORACLE_HPP__
    00011
    00012 #include "IpMuOracle.hpp"
    00013 #include "IpPDSystemSolver.hpp"
    00014 #include "IpIpoptCalculatedQuantities.hpp"
    00015
    00016 namespace Ipopt
    00017 {
    00018
    00022   class QualityFunctionMuOracle : public MuOracle
    00023   {
    00024   public:
    00028     QualityFunctionMuOracle(const SmartPtr<PDSystemSolver>& pd_solver);
    00030     virtual ~QualityFunctionMuOracle();
    00032
    00034     virtual bool InitializeImpl(const OptionsList& options,
    00035                                 const std::string& prefix);
    00036
    00040     virtual bool CalculateMu(Number mu_min, Number mu_max, Number& new_mu);
    00041
    00044     static void RegisterOptions(SmartPtr<RegisteredOptions> roptions);
    00046
    00051     enum NormEnum
    00052     {
    00053       NM_NORM_1=0,
    00054       NM_NORM_2_SQUARED,
    00055       NM_NORM_MAX,
    00056       NM_NORM_2
    00057     };
    00059     enum CentralityEnum
    00060     {
    00061       CEN_NONE=0,
    00062       CEN_LOG,
    00063       CEN_RECIPROCAL,
    00064       CEN_CUBED_RECIPROCAL
    00065     };
    00067     enum BalancingTermEnum
    00068     {
    00069       BT_NONE=0,
    00070       BT_CUBIC
    00071     };
    00073
    00074   private:
    00083
    00085     QualityFunctionMuOracle();
    00087     QualityFunctionMuOracle(const QualityFunctionMuOracle&);
    00088
    00090     void operator=(const QualityFunctionMuOracle&);
    00092
    00096     SmartPtr<PDSystemSolver> pd_solver_;
    00097
    00101     // ToDo Replace pointers by references
    00102     Number CalculateQualityFunction(Number sigma,
    00103                                     const Vector& step_aff_x_L,
    00104                                     const Vector& step_aff_x_U,
    00105                                     const Vector& step_aff_s_L,
    00106                                     const Vector& step_aff_s_U,
    00107                                     const Vector& step_aff_y_c,
    00108                                     const Vector& step_aff_y_d,
    00109                                     const Vector& step_aff_z_L,
    00110                                     const Vector& step_aff_z_U,
    00111                                     const Vector& step_aff_v_L,
    00112                                     const Vector& step_aff_v_U,
    00113                                     const Vector& step_cen_x_L,
    00114                                     const Vector& step_cen_x_U,
    00115                                     const Vector& step_cen_s_L,
    00116                                     const Vector& step_cen_s_U,
    00117                                     const Vector& step_cen_y_c,
    00118                                     const Vector& step_cen_y_d,
    00119                                     const Vector& step_cen_z_L,
    00120                                     const Vector& step_cen_z_U,
    00121                                     const Vector& step_cen_v_L,
    00122                                     const Vector& step_cen_v_U);
    00123
    00125     Number PerformGoldenSection(Number sigma_up,
    00126                                 Number q_up,
    00127                                 Number sigma_lo,
    00128                                 Number q_lo,
    00129                                 Number sigma_tol,
    00130                                 Number qf_tol,
    00131                                 const Vector& step_aff_x_L,
    00132                                 const Vector& step_aff_x_U,
    00133                                 const Vector& step_aff_s_L,
    00134                                 const Vector& step_aff_s_U,
    00135                                 const Vector& step_aff_y_c,
    00136                                 const Vector& step_aff_y_d,
    00137                                 const Vector& step_aff_z_L,
    00138                                 const Vector& step_aff_z_U,
    00139                                 const Vector& step_aff_v_L,
    00140                                 const Vector& step_aff_v_U,
    00141                                 const Vector& step_cen_x_L,
    00142                                 const Vector& step_cen_x_U,
    00143                                 const Vector& step_cen_s_L,
    00144                                 const Vector& step_cen_s_U,
    00145                                 const Vector& step_cen_y_c,
    00146                                 const Vector& step_cen_y_d,
    00147                                 const Vector& step_cen_z_L,
    00148                                 const Vector& step_cen_z_U,
    00149                                 const Vector& step_cen_v_L,
    00150                                 const Vector& step_cen_v_U);
    00151
    00155     Number ScaleSigma(Number sigma);
    00156     Number UnscaleSigma(Number scaled_sigma);
    00158
    00161     /* This doesn't seem to work well, so I took it out for now (AW)
    00162     Number PerformGoldenSectionLog(Number sigma_up,
    00163                                      Number sigma_lo,
    00164                                      Number tol,
    00165                                      const Vector& step_aff_x_L,
    00166                                      const Vector& step_aff_x_U,
    00167                                      const Vector& step_aff_s_L,
    00168                                      const Vector& step_aff_s_U,
    00169                                      const Vector& step_aff_y_c,
    00170                                      const Vector& step_aff_y_d,
    00171                                      const Vector& step_aff_z_L,
    00172                                      const Vector& step_aff_z_U,
    00173                                      const Vector& step_aff_v_L,
    00174                                      const Vector& step_aff_v_U,
    00175                                      const Vector& step_cen_x_L,
    00176                                      const Vector& step_cen_x_U,
    00177                                      const Vector& step_cen_s_L,
    00178                                      const Vector& step_cen_s_U,
    00179                                      const Vector& step_cen_y_c,
    00180                                      const Vector& step_cen_y_d,
    00181                                      const Vector& step_cen_z_L,
    00182                                      const Vector& step_cen_z_U,
    00183                                      const Vector& step_cen_v_L,
    00184                                      const Vector& step_cen_v_U);
    00185     */
    00186
    00190     Number sigma_max_;
    00192     Number sigma_min_;
    00194     NormEnum quality_function_norm_;
    00197     CentralityEnum quality_function_centrality_;
    00201     BalancingTermEnum quality_function_balancing_term_;
    00204     Number quality_function_section_sigma_tol_;
    00207     Number quality_function_section_qf_tol_;
    00210     Index quality_function_max_section_steps_;
    00212
    00216     SmartPtr<Vector> tmp_step_x_L_;
    00217     SmartPtr<Vector> tmp_step_x_U_;
    00218     SmartPtr<Vector> tmp_step_s_L_;
    00219     SmartPtr<Vector> tmp_step_s_U_;
    00220     SmartPtr<Vector> tmp_step_z_L_;
    00221     SmartPtr<Vector> tmp_step_z_U_;
    00222     SmartPtr<Vector> tmp_step_v_L_;
    00223     SmartPtr<Vector> tmp_step_v_U_;
    00224
    00225     SmartPtr<Vector> tmp_slack_x_L_;
    00226     SmartPtr<Vector> tmp_slack_x_U_;
    00227     SmartPtr<Vector> tmp_slack_s_L_;
    00228     SmartPtr<Vector> tmp_slack_s_U_;
    00229     SmartPtr<Vector> tmp_z_L_;
    00230     SmartPtr<Vector> tmp_z_U_;
    00231     SmartPtr<Vector> tmp_v_L_;
    00232     SmartPtr<Vector> tmp_v_U_;
    00234
    00235     /* Counter for the qualify function evaluations */
    00236     Index count_qf_evals_;
    00237
    00243     bool initialized_;
    00244     Index n_dual_;
    00245     Index n_pri_;
    00246     Index n_comp_;
    00247
    00248     SmartPtr<const Vector> curr_slack_x_L_;
    00249     SmartPtr<const Vector> curr_slack_x_U_;
    00250     SmartPtr<const Vector> curr_slack_s_L_;
    00251     SmartPtr<const Vector> curr_slack_s_U_;
    00252
    00253     SmartPtr<const Vector> curr_z_L_;
    00254     SmartPtr<const Vector> curr_z_U_;
    00255     SmartPtr<const Vector> curr_v_L_;
    00256     SmartPtr<const Vector> curr_v_U_;
    00257
    00258     Number curr_grad_lag_x_asum_;
    00259     Number curr_grad_lag_s_asum_;
    00260     Number curr_c_asum_;
    00261     Number curr_d_minus_s_asum_;
    00262
    00263     Number curr_grad_lag_x_nrm2_;
    00264     Number curr_grad_lag_s_nrm2_;
    00265     Number curr_c_nrm2_;
    00266     Number curr_d_minus_s_nrm2_;
    00267
    00268     Number curr_grad_lag_x_amax_;
    00269     Number curr_grad_lag_s_amax_;
    00270     Number curr_c_amax_;
    00271     Number curr_d_minus_s_amax_;
    00273   };
    00274
    00275 } // namespace Ipopt
    00276
    00277 #endif

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