binary.h File Reference

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Functions
LEARNER::base_learner *	binary_setup (VW::config::options_i &options, vw &all)

Function Documentation

binary_setup()

LEARNER::base_learner* binary_setup	(	VW::config::options_i &	options,
		vw &	all
	)

Definition at line 30 of file binary.cc.

References VW::config::option_group_definition::add(), VW::config::options_i::add_and_parse(), LEARNER::as_singleline(), LEARNER::init_learner(), LEARNER::make_base(), VW::config::make_option(), and setup_base().

Referenced by parse_reductions().

{
  bool binary = false;
  option_group_definition new_options("Binary loss");
  new_options.add(make_option("binary", binary).keep().help("report loss as binary classification on -1,1"));
  options.add_and_parse(new_options);

  if (!binary)
    return nullptr;

  LEARNER::learner<char, example>& ret =
      LEARNER::init_learner(as_singleline(setup_base(options, all)), predict_or_learn<true>, predict_or_learn<false>);
  return make_base(ret);
}