ConstrainedOptPack: C++ Tools for Constrained (and Unconstrained) Optimization Version of the Day
ConstrainedOptPack_DirectLineSearchArmQuad_StrategySetOptions.cpp
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00004 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
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00041 
00042 #include <assert.h>
00043 
00044 #include "ConstrainedOptPack_DirectLineSearchArmQuad_StrategySetOptions.hpp"
00045 #include "OptionsFromStreamPack_StringToBool.hpp"
00046 
00047 // Define the options
00048 namespace {
00049 
00050   const int local_num_options = 5;
00051 
00052   enum local_EOptions {
00053     SLOPE_FRAC,
00054     MIN_FRAC_STEP,
00055     MAX_FRAC_STEP,
00056     MAX_LS_ITER,
00057     MAX_OUT_LS_ITER
00058   };
00059 
00060   const char* local_SOptions[local_num_options] = {
00061     "slope_frac",
00062     "min_frac_step",
00063     "max_frac_step",
00064     "max_ls_iter",
00065     "max_out_ls_iter"
00066   };
00067 
00068 }
00069 
00070 namespace ConstrainedOptPack {
00071 
00072 DirectLineSearchArmQuad_StrategySetOptions::DirectLineSearchArmQuad_StrategySetOptions(
00073         DirectLineSearchArmQuad_Strategy* qp_solver
00074       , const char opt_grp_name[] )
00075   : OptionsFromStreamPack::SetOptionsFromStreamNode(
00076         opt_grp_name, local_num_options, local_SOptions )
00077     , OptionsFromStreamPack::SetOptionsToTargetBase<
00078       DirectLineSearchArmQuad_Strategy >( qp_solver )
00079 {}
00080 
00081 void DirectLineSearchArmQuad_StrategySetOptions::setOption(
00082   int option_num, const std::string& option_value )
00083 {
00084   using OptionsFromStreamPack::StringToBool;
00085   switch( (local_EOptions)option_num ) {
00086     case SLOPE_FRAC: {
00087       target().eta( std::atof( option_value.c_str() ) );
00088       break;
00089     }
00090     case MIN_FRAC_STEP: {
00091       target().min_frac( std::atof( option_value.c_str() ) );
00092       break;
00093     }
00094     case MAX_FRAC_STEP: {
00095       target().max_frac( std::atof( option_value.c_str() ) );
00096       break;
00097     }
00098     case MAX_LS_ITER: {
00099       target().set_max_iter( std::atof( option_value.c_str() ) );
00100       break;
00101     }
00102     case MAX_OUT_LS_ITER: {
00103       target().max_out_iter( StringToBool( "max_out_ls_iter", option_value.c_str() ) );
00104       break;
00105     }
00106     default:
00107       TEUCHOS_TEST_FOR_EXCEPT(true);  // Local error only?
00108   }
00109 }
00110 
00111 } // end namespace ConstrainedOptPack 
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