MoochoPack_ReducedHessianSecantUpdateLPBFGS_StrategySetOptions.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 <assert.h>
00030 #include <math.h>
00031 
00032 #include "MoochoPack_ReducedHessianSecantUpdateLPBFGS_StrategySetOptions.hpp"
00033 #include "OptionsFromStreamPack_StringToBool.hpp"
00034 
00035 // Define the options
00036 namespace {
00037 
00038   const int local_num_options = 4;
00039 
00040   enum local_EOptions {
00041     MIN_NUM_UPDATES_PROJ_START
00042     ,MAX_NUM_UPDATES_PROJ_START
00043     ,NUM_SUPERBASICS_SWITCH_DENSE
00044     ,NUM_ADD_RECENT_UPDATES
00045   };
00046 
00047   const char* local_SOptions[local_num_options] = {
00048     "min_num_updates_proj_start"
00049     ,"max_num_updates_proj_start"
00050     ,"num_superbasics_switch_dense"
00051     ,"num_add_recent_updates"
00052   };
00053 
00054 }
00055 
00056 namespace MoochoPack {
00057 
00058 ReducedHessianSecantUpdateLPBFGS_StrategySetOptions::ReducedHessianSecantUpdateLPBFGS_StrategySetOptions(
00059   ReducedHessianSecantUpdateLPBFGS_Strategy* target
00060   , const char opt_grp_name[] )
00061   : OptionsFromStreamPack::SetOptionsFromStreamNode(
00062     opt_grp_name, local_num_options, local_SOptions )
00063   , OptionsFromStreamPack::SetOptionsToTargetBase< ReducedHessianSecantUpdateLPBFGS_Strategy >( target )
00064 {}
00065 
00066 void ReducedHessianSecantUpdateLPBFGS_StrategySetOptions::setOption(
00067   int option_num, const std::string& option_value )
00068 {
00069   switch( (local_EOptions)option_num ) {
00070     case MIN_NUM_UPDATES_PROJ_START: {
00071       target().min_num_updates_proj_start( ::abs( ::atoi( option_value.c_str() ) ) );
00072       break;
00073     }
00074     case MAX_NUM_UPDATES_PROJ_START: {
00075       target().max_num_updates_proj_start( ::abs( ::atoi( option_value.c_str() ) ) );
00076       break;
00077     }
00078     case NUM_SUPERBASICS_SWITCH_DENSE: {
00079       target().num_superbasics_switch_dense( ::abs( ::atoi( option_value.c_str() ) ) );
00080       break;
00081     }
00082     case NUM_ADD_RECENT_UPDATES: {
00083       target().num_add_recent_updates( ::abs( ::atoi( option_value.c_str() ) ) );
00084       break;
00085     }
00086     default:
00087       TEST_FOR_EXCEPT(true);  // Local error only?
00088   }
00089 }
00090 
00091 } // end namespace MoochoPack 

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