Impala Documentation

bool Impala::Application::Precompute::CheckFeatures	(	CmdOptions &	options,
		RawDataSet *	thisSet,
		DistributedAccess *	da
	)

This function loops over the "inputFeatures" option to find (weight,featureDef)-pairs and adds them to DistributedAccess.

Definition at line 54 of file mainPrecomputeKernelMatrix.cpp.

References Impala::CmdOptions::GetString(), ILOG_DEBUG, and ILOG_VAR.

Referenced by Precompute().

00055 {
00056     ILOG_VAR(Impala.Application.Precompute.CheckFeatures);
00057 
00058     /* add input features through the INI file */
00059     String inputFeatures = options.GetString("inputFeatures");
00060     if (!inputFeatures.empty())
00061     {
00062         ILOG_DEBUG("imput features: "<< inputFeatures);
00063         Util::StringParser p(inputFeatures);
00064         while (!p.TheEnd())
00065         {
00066             double weight = p.GetDouble();
00067             ILOG_DEBUG("w: "<<weight);
00068             if (weight == 0.0)
00069             {
00070                 ILOG_ERROR_HEADNODE("\"" << inputFeatures <<
00071                                     "\" contains a zero weight");
00072                 return false;
00073             }
00074             String name = p.GetString(' ', false);
00075             if (name.empty())
00076             {
00077                 ILOG_ERROR_HEADNODE("inputFeatures: no name for weight");
00078                 return false;
00079             }
00080             ILOG_DEBUG("n: "<< name);
00081             String indexCat = options.GetString("featureIndexCat");
00082             FeatureLocator loc(thisSet->GetLocator(), false, true, indexCat,
00083                                name, "");
00084             if (!FeatureTableRepository().Exists(loc))
00085             {
00086                 ILOG_ERROR_HEADNODE("Could not open \"" << name << "\"");
00087                 return false;
00088             }
00089             da->AddFeature(name, weight, -1);
00090         }
00091     }
00092     return true;
00093 }

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