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MoochoPack_LineSearch2ndOrderCorrect_StepSetOptions.cpp
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00001 #if 0
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00006 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
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00043 
00044 #include <assert.h>
00045 #include <math.h>
00046 
00047 #include "MoochoPack_LineSearch2ndOrderCorrect_StepSetOptions.hpp"
00048 #include "OptionsFromStreamPack_StringToBool.hpp"
00049 
00050 // Define the options
00051 namespace {
00052 
00053   const int local_num_options = 8;
00054 
00055   enum local_EOptions {
00056       NEWTON_OLEVEL,
00057     CONSTR_NORM_THRESHOLD,
00058     CONSTR_INCR_RATIO,
00059     AFTER_K_ITER,
00060     FORCED_CONSTR_REDUCTION,
00061     FORCED_REDUCT_RATIO,
00062     MAX_STEP_RATIO,
00063     MAX_NEWTON_ITER
00064   };
00065 
00066   const char* local_SOptions[local_num_options] = {
00067       "newton_olevel",
00068     "constr_norm_threshold",
00069     "constr_incr_ratio",
00070     "after_k_iter",
00071     "forced_constr_reduction",
00072     "forced_reduct_ratio",
00073     "max_step_ratio",
00074     "max_newton_iter"
00075   };
00076 
00077 }
00078 
00079 namespace MoochoPack {
00080 
00081 LineSearch2ndOrderCorrect_StepSetOptions::LineSearch2ndOrderCorrect_StepSetOptions(
00082         LineSearch2ndOrderCorrect_Step* target
00083       , const char opt_grp_name[] )
00084   : OptionsFromStreamPack::SetOptionsFromStreamNode(
00085         opt_grp_name, local_num_options, local_SOptions )
00086     , OptionsFromStreamPack::SetOptionsToTargetBase<
00087       LineSearch2ndOrderCorrect_Step >( target )
00088 {}
00089 
00090 void LineSearch2ndOrderCorrect_StepSetOptions::setOption(
00091   int option_num, const std::string& option_value )
00092 {
00093   typedef LineSearch2ndOrderCorrect_Step target_t;
00094   switch( (local_EOptions)option_num ) {
00095       case NEWTON_OLEVEL:
00096     {
00097       const std::string &option = option_value.c_str();
00098       if( option == "PRINT_USE_DEFAULT" )
00099         target().newton_olevel( target_t::PRINT_USE_DEFAULT );
00100       else if( option == "PRINT_NOTHING" )
00101         target().newton_olevel( target_t::PRINT_NEWTON_NOTHING );
00102       else if( option == "PRINT_SUMMARY_INFO" )
00103         target().newton_olevel( target_t::PRINT_NEWTON_SUMMARY_INFO );
00104       else if( option == "PRINT_STEPS" )
00105         target().newton_olevel( target_t::PRINT_NEWTON_STEPS );
00106       else if( option == "PRINT_VECTORS" )
00107         target().newton_olevel( target_t::PRINT_NEWTON_VECTORS );
00108       else
00109         throw std::invalid_argument( "Error, incorrect value for "
00110           "\"newton_olevel\"." );
00111       break;
00112     }
00113       case CONSTR_NORM_THRESHOLD:
00114       target().constr_norm_threshold(::fabs(::atof(option_value.c_str())));
00115       break;
00116       case CONSTR_INCR_RATIO:
00117       target().constr_incr_ratio(::fabs(::atof(option_value.c_str())));
00118       break;
00119     case AFTER_K_ITER:
00120       target().after_k_iter(::abs(::atoi(option_value.c_str())));
00121       break;
00122     case FORCED_CONSTR_REDUCTION:
00123     {
00124       const std::string &option = option_value.c_str();
00125       if( option == "LESS_X_D" )
00126         target().forced_constr_reduction(target_t::CONSTR_LESS_X_D );
00127       else if( option == "LESS_X" )
00128         target().forced_constr_reduction( target_t::CONSTR_LESS_X );
00129       else
00130         throw std::invalid_argument( "Error, incorrect value for "
00131           "\"forced_constr_reduction\"." );
00132       break;
00133     }
00134       case FORCED_REDUCT_RATIO:
00135       target().forced_reduct_ratio(::fabs(::atof(option_value.c_str())));
00136       break;
00137     case MAX_STEP_RATIO:
00138       target().max_step_ratio(::fabs(::atof(option_value.c_str())));
00139       break;
00140     case MAX_NEWTON_ITER:
00141       target().max_newton_iter(::abs(::atoi(option_value.c_str())));
00142       break;
00143     default:
00144       TEUCHOS_TEST_FOR_EXCEPT(true);  // Local error only?
00145   }
00146 }
00147 
00148 } // end namespace MoochoPack 
00149 
00150 #endif // 0
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