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/*
This file is a part of KMC software distributed under GNU GPL 3 licence.
The homepage of the KMC project is http://sun.aei.polsl.pl/kmc
Authors: Marek Kokot
Version: 2.3.0
Date : 2015-08-21
*/
#ifndef _HISTOGRAM_WRITER_H
#define _HISTOGRAM_WRITER_H
#include "defs.h"
#include "config.h"
#include <vector>
#include <fstream>
template<typename KMCDB> class CHistogramWriter
{
KMCDB& kmcdb;
COutputDesc& output_desc;
std::vector<uint32> counters;
public:
CHistogramWriter(KMCDB& kmcdb) :kmcdb(kmcdb), output_desc(CConfig::GetInstance().output_desc)
{
}
bool Process()
{
counters.resize(output_desc.cutoff_max + 1);
uint32 counter;
while (kmcdb.NextCounter(counter))
{
if (counter >= output_desc.cutoff_min && counter <= output_desc.cutoff_max)
counters[counter]++;
}
std::ofstream file(output_desc.file_src);
if (!file)
{
std::cout << "Error: cannot open file: " << output_desc.file_src << "\n";
exit(1);
}
for (uint32 i = output_desc.cutoff_min; i <= output_desc.cutoff_max; ++i)
{
file << i << "\t" << counters[i] << "\n";
}
file.close();
return true;
}
};
#endif
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