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/*
Copyright (c) by respective owners including Yahoo!, Microsoft, and
individual contributors. All rights reserved. Released under a BSD
license as described in the file LICENSE.
*/
#ifndef CSOAA_H
#define CSOAA_H
#include "io.h"
#include "parse_primitives.h"
#include "global_data.h"
#include "example.h"
#include "oaa.h"
#include "parser.h"
#include "parse_args.h"
namespace CSOAA {
struct wclass {
float x;
uint32_t weight_index;
float partial_prediction; // a partial prediction: new!
float wap_value; // used for wap to store values derived from costs
bool operator==(wclass j){return weight_index == j.weight_index;}
};
struct label {
v_array<wclass> costs;
};
void parse_flags(vw& all, std::vector<std::string>&, po::variables_map& vm, po::variables_map& vm_file);
void output_example(vw& all, example* ec);
size_t read_cached_label(shared_data* sd, void* v, io_buf& cache);
void cache_label(void* v, io_buf& cache);
void default_label(void* v);
void parse_label(parser* p, shared_data* sd, void* v, v_array<substring>& words);
void delete_label(void* v);
void copy_label(void*&dst,void*src);
float weight(void* v);
float initial(void* v);
const label_parser cs_label_parser = {default_label, parse_label,
cache_label, read_cached_label,
delete_label, weight, initial,
copy_label,
sizeof(label)};
bool example_is_test(example* ec);
}
namespace CSOAA_AND_WAP_LDF {
typedef CSOAA::label label;
void parse_flags(vw& all, std::vector<std::string>&, po::variables_map& vm, po::variables_map& vm_file);
void global_print_newline(vw& all);
void output_example(vw& all, example* ec, bool&hit_loss);
const label_parser cs_label_parser = CSOAA::cs_label_parser;
}
namespace LabelDict {
bool ec_is_label_definition(example*ec);
bool ec_is_example_header(example*ec);
bool ec_seq_is_label_definition(v_array<example*>ec_seq);
void add_example_namespaces_from_example(example*target, example*source);
void del_example_namespaces_from_example(example*target, example*source);
void add_example_namespace_from_memory(example*ec, size_t lab);
void del_example_namespace_from_memory(example* ec, size_t lab);
void set_label_features(size_t lab, v_array<feature>features);
void free_label_features();
}
#endif
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