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MoochoPack_LineSearchFilter_StepSetOptions.cpp
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00041 
00042 #include <assert.h>
00043 
00044 #include "MoochoPack_LineSearchFilter_StepSetOptions.hpp"
00045 #include "OptionsFromStreamPack_StringToBool.hpp"
00046 #include "Teuchos_Assert.hpp"
00047 
00048 // Define the options
00049 namespace {
00050 
00051 const int local_num_options = 11;
00052 
00053 enum local_EOptions 
00054   {
00055     GAMMA_THETA
00056     ,GAMMA_F
00057     ,F_MIN
00058     ,GAMMA_ALPHA
00059     ,DELTA
00060     ,S_THETA
00061     ,S_F
00062     ,THETA_SMALL_FACT
00063     ,THETA_MAX
00064     ,ETA_F
00065     ,BACK_TRACK_FRAC
00066   };
00067 
00068 const char* local_SOptions[local_num_options] = 
00069   {
00070     "gamma_theta"
00071     ,"gamma_f"
00072     ,"f_min"
00073     ,"gamma_alpha"
00074     ,"delta"
00075     ,"s_theta"
00076     ,"s_f"
00077     ,"theta_small_fact"
00078     ,"theta_max"
00079     ,"eta_f"
00080     ,"back_track_frac"
00081   };
00082 
00083 }
00084 
00085 namespace MoochoPack {
00086 
00087 LineSearchFilter_StepSetOptions::LineSearchFilter_StepSetOptions(
00088   LineSearchFilter_Step* target
00089   , const char opt_grp_name[] )
00090   :
00091   OptionsFromStreamPack::SetOptionsFromStreamNode(
00092     opt_grp_name, local_num_options, local_SOptions ),
00093   OptionsFromStreamPack::SetOptionsToTargetBase< LineSearchFilter_Step >( target )
00094   {
00095   }
00096 
00097 void LineSearchFilter_StepSetOptions::setOption( 
00098   int option_num, const std::string& option_value )
00099   {
00100   using OptionsFromStreamPack::StringToBool;
00101   
00102   typedef LineSearchFilter_Step target_t;
00103   switch( (local_EOptions)option_num ) {
00104     case GAMMA_THETA:
00105       target().gamma_theta(std::atof(option_value.c_str()));
00106       break;
00107     case GAMMA_F:
00108       target().gamma_f(std::atof(option_value.c_str()));
00109       break;
00110     case F_MIN: {
00111       if( option_value == "UNBOUNDED" )
00112         target().f_min(target_t::F_MIN_UNBOUNDED);
00113       else
00114         target().f_min(std::atof(option_value.c_str()));
00115       break;
00116     }
00117     case GAMMA_ALPHA:
00118       target().gamma_alpha(std::atof(option_value.c_str()));
00119       break;
00120     case DELTA:
00121       target().delta(std::atof(option_value.c_str()));
00122       break;
00123     case S_THETA:
00124       target().s_theta(std::atof(option_value.c_str()));
00125       break;
00126     case S_F:
00127       target().s_f(std::atof(option_value.c_str()));
00128       break;
00129     case THETA_SMALL_FACT:
00130       target().theta_small_fact(std::atof(option_value.c_str()));
00131       break;
00132     case THETA_MAX:
00133       target().theta_max(std::atof(option_value.c_str()));
00134       break;
00135     case ETA_F:
00136       target().eta_f(std::atof(option_value.c_str()));
00137       break;
00138     case BACK_TRACK_FRAC:
00139       target().back_track_frac(std::atof(option_value.c_str()));
00140       break;
00141     default:
00142       TEUCHOS_TEST_FOR_EXCEPT(true);  // Local error only?
00143     }
00144   }
00145 
00146 } // end namespace MoochoPack 
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