template <class T> CStreamingDenseFeatures<T>::CStreamingDenseFeatures(CDenseFeatures<T>* dense_features,
float64_t* lab)
: CStreamingDotFeatures()
{
CStreamingFileFromDenseFeatures<T>* file;
bool is_labelled;
int32_t size = 1024;
if (lab)
{
is_labelled = true;
file = new CStreamingFileFromDenseFeatures<T>(dense_features, lab);
}
else
{
is_labelled = false;
file = new CStreamingFileFromDenseFeatures<T>(dense_features);
}
SG_REF(file);
init(file, is_labelled, size);
set_read_functions();
parser.set_free_vector_after_release(false);
parser.set_free_vectors_on_destruct(false);
seekable=true;
}
void CStreamingHashedSparseFeatures<ST>::init(CStreamingFile* file, bool is_labelled,
int32_t size, int32_t d, bool use_quadr, bool keep_lin_terms)
{
dim = d;
SG_ADD(&dim, "dim", "Size of target dimension", MS_NOT_AVAILABLE);
use_quadratic = use_quadr;
keep_linear_terms = keep_lin_terms;
SG_ADD(&use_quadratic, "use_quadratic", "Whether to use quadratic features",
MS_NOT_AVAILABLE);
SG_ADD(&keep_linear_terms, "keep_linear_terms", "Whether to keep the linear terms or not",
MS_NOT_AVAILABLE);
has_labels = is_labelled;
if (file)
{
working_file = file;
SG_REF(working_file);
parser.init(file, is_labelled, size);
seekable = false;
}
else
file = NULL;
set_read_functions();
parser.set_free_vector_after_release(false);
set_generic<ST>();
}
CStreamingSparseFeatures<T>::CStreamingSparseFeatures(CStreamingFile* file,
bool is_labelled,
int32_t size)
: CStreamingDotFeatures()
{
set_read_functions();
init(file, is_labelled, size);
}
CStreamingStringFeatures<T>::CStreamingStringFeatures(CStreamingFile* file,
bool is_labelled,
int32_t size)
: CStreamingFeatures()
{
init(file, is_labelled, size);
set_read_functions();
remap_to_bin=false;
}
template <class T> CStreamingDenseFeatures<T>::CStreamingDenseFeatures(CStreamingFile* file,
bool is_labelled,
int32_t size)
: CStreamingDotFeatures()
{
init(file, is_labelled, size);
set_read_functions();
parser.set_free_vector_after_release(false);
}
CStreamingStringFeatures<T>::CStreamingStringFeatures() : CStreamingFeatures()
{
init();
set_read_functions();
remap_to_bin=false;
}
template <class T> CStreamingDenseFeatures<T>::CStreamingDenseFeatures() : CStreamingDotFeatures()
{
set_read_functions();
init();
parser.set_free_vector_after_release(false);
}
CStreamingSparseFeatures<T>::CStreamingSparseFeatures() : CStreamingDotFeatures()
{
set_read_functions();
init();
}
