DstatCounter.h

/*
 * DstatCounter
 * Date: Oct-15-2012 
 * Author : Gabriel Renaud gabriel.reno@gmail.com
 *
 */

#ifndef DstatCounter_h
#define DstatCounter_h

#include <iostream>
#include <ostream> 
#include <vector> 
#include <math.h>
#include <sys/time.h>
#include <stdlib.h>

#include "libgab.h"

//#include <iostream>
//#include <fstream>
using namespace std;

class DstatCounter{
 private:

 public:

    //counter of mutations
    unsigned int counterAncAnc;
    unsigned int counterAncDer;
    unsigned int counterDerAnc;
    unsigned int counterDerDer;


    DstatCounter(); //constructor
    //    vector<double>   performBoostraps() const;
    void reinitializedCounters();
    string headerForCount() const;

    double computeDST() const;

    DstatCounter &  operator+=(const DstatCounter & other);
    DstatCounter &  operator-=(const DstatCounter & other);

    friend ostream& operator<<(ostream& os, const DstatCounter & ct){
	/* vector<double> boostraps = ct.performBoostraps(); */
	double dst= (double(ct.counterAncDer)-double(ct.counterDerAnc))/(double(ct.counterAncDer)+double(ct.counterDerAnc)); 
	os<<ct.counterAncAnc<<"\t"
	  <<ct.counterAncDer<<"\t"
	  <<ct.counterDerAnc<<"\t"
	  <<ct.counterDerDer<<"\t"
	    //(ADDA - DADA )/ (ADDA+DADA )
	  <<dst<<"\t" ;
	/* pair<double,double> res = computeMeanSTDDEV(boostraps); */
	/* os<< ((res.first-dst)/res.second); */
	return os;
    }

    friend istream &operator>>(istream &is , DstatCounter &ct){
	//cerr<<"DstatCounter in"<<endl;
	double dst;

	//istringstream dst;

	is>>
	    ct.counterAncAnc>>
	    ct.counterAncDer>>
	    ct.counterDerAnc>>
	    ct.counterDerDer;
	//get dst but will be discarded

	string dstStr;
	char c;
	is.get(c);
	if(c != '\t'){
	    cerr<<"A single dstat should have 5 fields AA\tAD\tDA\tDD\tdst"<<endl;
	}

	while (is.get(c)){          // loop getting single characters
	    if(c == '\t') break;
	    dstStr+=c;
	    //cerr<<"#"<<c<<"#"<<endl;
	}
	if(dstStr == "-nan"){
	    dst = -1.0*numeric_limits<double>::quiet_NaN();
	}else{
	    dst =  destringify<double>(dstStr);
	}
	
	//cerr<<ct.counterAncAnc<<"\t"<<ct.counterAncDer<<"\t"<<ct.counterDerAnc<<"\t"<<ct.counterDerDer<<"\t"<<dst<<endl;;
	return is;
    }

};



#endif