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/*
* FeatureStats.h
* met - Minimum Error Training
*
* Created by Nicola Bertoldi on 13/05/08.
*
*/
#ifndef FEATURE_STATS_H
#define FEATURE_STATS_H
using namespace std;
#include <limits>
#include <vector>
#include <iostream>
#include "Util.h"
typedef float FeatureStatsType;
#define FEATURE_STATS_MIN (numeric_limits<FeatureStatsType>::min())
#define ATOFST(str) ((FeatureStatsType) atof(str))
class FeatureStats
{
protected:
vector<FeatureStatsType> array_;
private:
char databuf_[BUFSIZ];
size_t bufLen_;
public:
FeatureStats();
FeatureStats(const size_t size);
FeatureStats(const FeatureStats &stats);
FeatureStats(std::string &theString);
FeatureStats& operator=(const FeatureStats &stats);
~FeatureStats(){};
inline void clear() { array_.clear(); }
inline FeatureStatsType get(int i){ return array_.at(i); }
void set(std::string &theString);
void add(FeatureStatsType e){ array_.push_back(e); }
inline size_t size(){ return array_.size(); }
inline size_t memsize(){ return bufLen_; }
void savetxt(const std::string &file);
void savetxt(ofstream& outFile);
inline void savetxt(){ savetxt("/dev/stdout"); }
void loadtxt(ifstream& inFile);
void loadtxt(const std::string &file);
inline void reset()
{
for (vector<FeatureStatsType>::iterator i = array_.begin(); i != array_.end(); i++)
*i = 0;
}
/*
* Marshalls this classes data members into a single
* contiguous memory location for the purpose of storing
* the data in a database.
*/
char *getBuffer();
void setBuffer(char* buffer, size_t sz);
int pack(char *buffer, size_t &bufferlen);
int unpack(char *buffer, size_t &bufferlen);
};
#endif
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