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#ifndef _WEIGHTS_H_
#define _WEIGHTS_H_
#include <string>
#include <vector>
#include "sparse_vector.h"
// warning: in the future this will become float
typedef double weight_t;
class Weights {
public:
Weights() {}
void InitFromFile(const std::string& fname, std::vector<std::string>* feature_list = NULL);
void WriteToFile(const std::string& fname, bool hide_zero_value_features = true, const std::string* extra = NULL) const;
void InitVector(std::vector<weight_t>* w) const;
void InitSparseVector(SparseVector<weight_t>* w) const;
void InitFromVector(const std::vector<weight_t>& w);
void InitFromVector(const SparseVector<weight_t>& w);
private:
std::vector<weight_t> wv_;
};
#endif
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