MoochoPack_NLPAlgo.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 // #define RELEASE_TRACE
00030 
00031 #include <iostream> // for debugging Release version.
00032 #include <typeinfo>
00033 
00034 #include "MoochoPack_NLPAlgo.hpp"
00035 
00036 namespace MoochoPack {
00037 
00038 NLPAlgo::NLPAlgo()
00039   : algo_cntr_(NULL), nlp_(NULL), first_step_poss_(1)
00040 {}
00041 
00042 // Overridden form rSQPAlgoInteface
00043 
00044 const NLPAlgoState& NLPAlgo::retrieve_state() const
00045 {
00046   return dynamic_cast<const NLPAlgoState&>(state());
00047 }
00048 
00049 NLPSolverClientInterface::EFindMinReturn
00050 NLPAlgo::dispatch() {
00051   switch( do_algorithm(first_step_poss_) ) {
00052     case IterationPack::TERMINATE_TRUE:
00053       return NLPSolverClientInterface::SOLUTION_FOUND;
00054     case IterationPack::TERMINATE_FALSE:
00055       return NLPSolverClientInterface::ALGORITHMIC_ERROR;
00056     case IterationPack::MAX_ITER_EXCEEDED:
00057       return NLPSolverClientInterface::MAX_ITER_EXCEEDED;
00058     case IterationPack::MAX_RUN_TIME_EXCEEDED:
00059       return NLPSolverClientInterface::MAX_RUN_TIME_EXCEEDED;
00060     case IterationPack::INTERRUPTED_TERMINATE_TRUE:
00061       return NLPSolverClientInterface::SOLUTION_FOUND;
00062     case IterationPack::INTERRUPTED_TERMINATE_FALSE:
00063       return NLPSolverClientInterface::ALGORITHMIC_ERROR;
00064     default:
00065       TEST_FOR_EXCEPT(true);
00066   }
00067   return NLPSolverClientInterface::SOLUTION_FOUND;  // will never be called.
00068 }
00069 
00070 void NLPAlgo::interface_print_algorithm(std::ostream& out) const {
00071   print_steps(out);
00072   print_algorithm(out);
00073 }
00074 
00075 void NLPAlgo::interface_set_algo_timing( bool algo_timing ) {
00076   set_algo_timing(algo_timing);
00077 }
00078 
00079 bool NLPAlgo::interface_algo_timing() const {
00080   return algo_timing();
00081 }
00082 
00083 void NLPAlgo::interface_print_algorithm_times( std::ostream& out ) const {
00084   print_algorithm_times(out);
00085 }
00086 
00087 // Overridden from Algorithm.
00088 
00089 void NLPAlgo::print_algorithm(std::ostream& out) const {
00090   out
00091     << "\n*** NLP ***\n"
00092     << typeName(*get_nlp()) << "\n";
00093 
00094   Algorithm::print_algorithm(out);
00095 }
00096 
00097 } // end namespace MoochoPack

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