MoochoPack_SetDBoundsStd_AddedStep.cpp

00001 // @HEADER
00002 // ***********************************************************************
00003 // 
00004 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
00005 //                  Copyright (2003) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 // 
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
00013 // License, or (at your option) any later version.
00014 //  
00015 // This library is distributed in the hope that it will be useful, but
00016 // WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //  
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 // @HEADER
00028 
00029 #include <ostream>
00030 
00031 #include "MoochoPack_SetDBoundsStd_AddedStep.hpp"
00032 #include "MoochoPack_moocho_algo_conversion.hpp"
00033 #include "IterationPack_print_algorithm_step.hpp"
00034 #include "AbstractLinAlgPack_LinAlgOpPack.hpp"
00035 #include "AbstractLinAlgPack_VectorOut.hpp"
00036 
00037 namespace MoochoPack {
00038 
00039 SetDBoundsStd_AddedStep::SetDBoundsStd_AddedStep()
00040   :dl_iq_(dl_name)
00041   ,du_iq_(du_name)
00042   {}
00043 
00044 bool SetDBoundsStd_AddedStep::do_step(
00045   Algorithm& _algo, poss_type step_poss, IterationPack::EDoStepType type
00046   ,poss_type assoc_step_poss
00047   )
00048 {
00049   NLPAlgo              &algo      = rsqp_algo(_algo);
00050   NLPAlgoState             &s         = algo.rsqp_state();
00051 
00052   EJournalOutputLevel   olevel     = algo.algo_cntr().journal_output_level();
00053   std::ostream          &out       = algo.track().journal_out();
00054 
00055   // print step header.
00056   if( static_cast<int>(olevel) >= static_cast<int>(PRINT_ALGORITHM_STEPS) ) {
00057     using IterationPack::print_algorithm_step;
00058     print_algorithm_step( algo, step_poss, type, assoc_step_poss, out );
00059   }
00060 
00061   const Vector
00062     &x_k = s.x().get_k(0),
00063     &xl  = algo.nlp().xl(),
00064     &xu  = algo.nlp().xu();
00065   VectorMutable
00066     &dl  = dl_iq_(s).set_k(0),
00067     &du  = du_iq_(s).set_k(0);
00068   
00069   // dl = xl - x_k
00070   LinAlgOpPack::V_VmV( &dl, xl, x_k );  
00071 
00072   // du = xu - x_k
00073   LinAlgOpPack::V_VmV( &du, xu, x_k );  
00074 
00075   if( static_cast<int>(olevel) >= static_cast<int>(PRINT_VECTORS) ) {
00076     out << "\ndl_k = \n" << dl;
00077     out << "\ndu_k = \n" << du;
00078   }
00079 
00080   return true;
00081 }
00082 
00083 void SetDBoundsStd_AddedStep::print_step(
00084   const Algorithm& algo, poss_type step_poss, IterationPack::EDoStepType type
00085   ,poss_type assoc_step_poss, std::ostream& out, const std::string& L
00086   ) const
00087 {
00088   out
00089     << L << "*** Set the bounds on d\n"
00090     << L << "d_bounds_k.l = xl - x_k\n"
00091     << L << "d_bounds_k.u = xu - x_k\n"
00092     ;
00093 }
00094 
00095 } // end namespace MoochoPack

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