C++ (Cpp) CDotFeatures::get_computed_dot_feature_matrix Examples

Example #1

File: ExactInferenceMethod.cpp Project: AlexBinder/shogun

void CExactInferenceMethod::update_all()
{
	if (m_labels)
		m_label_vector =
				((CRegressionLabels*) m_labels)->get_labels().clone();

	if (m_features && m_features->has_property(FP_DOT) && m_features->get_num_vectors())
		m_feature_matrix =
				((CDotFeatures*)m_features)->get_computed_dot_feature_matrix();

	else if (m_features && m_features->get_feature_class() == C_COMBINED)
	{
		CDotFeatures* feat =
				(CDotFeatures*)((CCombinedFeatures*)m_features)->
				get_first_feature_obj();

		if (feat->get_num_vectors())
			m_feature_matrix = feat->get_computed_dot_feature_matrix();

		SG_UNREF(feat);
	}

	update_data_means();

	if (m_kernel)
		update_train_kernel();

	if (m_ktrtr.num_cols*m_ktrtr.num_rows)
	{
		update_chol();
		update_alpha();
	}
}

Example #2

File: InferenceMethod.cpp Project: coodoing/shogun

void CInferenceMethod::set_latent_features(CFeatures* feat)
{
	SG_REF(feat);
	SG_UNREF(m_latent_features);
	m_latent_features=feat;

	if (m_latent_features && m_latent_features->has_property(FP_DOT) && m_latent_features->get_num_vectors())
		m_latent_matrix =
				((CDotFeatures*)m_latent_features)->get_computed_dot_feature_matrix();

	else if (m_latent_features && m_latent_features->get_feature_class() == C_COMBINED)
	{
		CDotFeatures* subfeat =
				(CDotFeatures*)((CCombinedFeatures*)m_latent_features)->
				get_first_feature_obj();

		if (m_latent_features->get_num_vectors())
			m_latent_matrix = subfeat->get_computed_dot_feature_matrix();

		SG_UNREF(subfeat);
	}

	update_data_means();
	update_train_kernel();
	update_chol();
	update_alpha();
}