30 #define DECLARE_BASE_TRAITS \
31 typedef PatternAggregator< Pattern< DataType >, ParamType > AggregatorType; \
32 typedef SourceDataSet< PreprocessorType, AggregatorType > SourceDataSetType; \
33 typedef DataSetHandle< AggregatorType > DataSetHandleType; \
34 typedef FeatureGeneratorType::FeatureType FeatureType;
macro used to declare a PatternAggregator