MoochoPack_ReducedHessianBFGSStd_StepSetOptions.cpp

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00001 #if 0
00002 
00003 // @HEADER
00004 // ***********************************************************************
00005 // 
00006 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
00007 //                  Copyright (2003) Sandia Corporation
00008 // 
00009 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00010 // license for use of this work by or on behalf of the U.S. Government.
00011 // 
00012 // This library is free software; you can redistribute it and/or modify
00013 // it under the terms of the GNU Lesser General Public License as
00014 // published by the Free Software Foundation; either version 2.1 of the
00015 // License, or (at your option) any later version.
00016 //  
00017 // This library is distributed in the hope that it will be useful, but
00018 // WITHOUT ANY WARRANTY; without even the implied warranty of
00019 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00020 // Lesser General Public License for more details.
00021 //  
00022 // You should have received a copy of the GNU Lesser General Public
00023 // License along with this library; if not, write to the Free Software
00024 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00025 // USA
00026 // Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov) 
00027 // 
00028 // ***********************************************************************
00029 // @HEADER
00030 
00031 #include <assert.h>
00032 #include <math.h>
00033 
00034 #include "ReducedHessianBFGSStd_StepSetOptions.h"
00035 #include "OptionsFromStreamPack_StringToBool.hpp"
00036 
00037 // Define the options
00038 namespace {
00039 
00040   const int local_num_options = 5;
00041 
00042   enum local_EOptions {
00043     RESCALE_INIT_IDENTITY
00044     ,USE_DAMPENING
00045     ,SECANT_TESTING
00046     ,SECANT_WARNING_TOL
00047     ,SECANT_ERROR_TOL
00048   };
00049 
00050   const char* local_SOptions[local_num_options] = {
00051     "rescale_init_identity"
00052       ,"use_dampening"
00053     ,"secant_testing"
00054     ,"secant_warning_tol"
00055       ,"secant_error_tol"
00056   };
00057 
00058 }
00059 
00060 namespace MoochoPack {
00061 
00062 ReducedHessianBFGSStd_StepSetOptions::ReducedHessianBFGSStd_StepSetOptions(
00063         ReducedHessianBFGSStd_Step* target
00064       , const char opt_grp_name[] )
00065   : OptionsFromStreamPack::SetOptionsFromStreamNode(
00066         opt_grp_name, local_num_options, local_SOptions )
00067     , OptionsFromStreamPack::SetOptionsToTargetBase<
00068       ReducedHessianBFGSStd_Step >( target )
00069 {}
00070 
00071 void ReducedHessianBFGSStd_StepSetOptions::setOption(
00072   int option_num, const std::string& option_value )
00073 {
00074   using OptionsFromStreamPack::StringToBool;
00075   typedef ReducedHessianBFGSStd_Step target_t;
00076   switch( (local_EOptions)option_num ) {
00077       case RESCALE_INIT_IDENTITY:
00078       target().rescale_init_identity(
00079         StringToBool( "rescale_init_identity", option_value.c_str() ));
00080       break;
00081       case USE_DAMPENING:
00082       target().use_dampening(
00083         StringToBool( "use_dampening", option_value.c_str() ));
00084       break;
00085       case SECANT_TESTING:
00086     {
00087       const std::string &option = option_value.c_str();
00088       if( option == "DEFAULT" )
00089         target().secant_testing( target_t::SECANT_TEST_DEFAULT );
00090       else if( option == "TEST" )
00091         target().secant_testing( target_t::SECANT_TEST_ALWAYS );
00092       else if( option == "NO_TEST" )
00093         target().secant_testing( target_t::SECANT_NO_TEST );
00094       else
00095         throw std::invalid_argument( "Error, incorrect value for "
00096           "\"secant_testing\"." );
00097       break;
00098     }
00099       case SECANT_WARNING_TOL:
00100       target().secant_warning_tol(::fabs(::atof(option_value.c_str())));
00101       break;
00102       case SECANT_ERROR_TOL:
00103       target().secant_error_tol(::fabs(::atof(option_value.c_str())));
00104       break;
00105     default:
00106       TEST_FOR_EXCEPT(true);  // Local error only?
00107   }
00108 }
00109 
00110 } // end namespace MoochoPack 
00111 
00112 #endif // 0

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