zadanieDD.cpp

#include "zadD_functions.h"
double calculateFactorA(int, double**, int);
string fileNames[3] = {"wynikiA.txt","wynikiB.txt","wynikiC.txt"};
int tests[3] = {5,4,4};
int columns[3] = {4,3,4};
int numOfFiles = 3;
double** tab;
double factor1;
double factor2;
string factor3;


int main() {
  system("chcp 1250>NUL");
  ofstream out;
    string name = "results.txt";
  out.open(name.c_str());

  for(int counter=0; counter<numOfFiles; counter++) {
  //for(int counter=0; counter<1; counter++) {
      cout<<"Ilosc danych w pliku: "<<tests[counter]<<endl;
      int cols = columns[counter];
      int num;
      if(tests[counter]==4)
        num=4;
      else
        num=5;
      tab = new double*[num];
        for(int i=0; i<num; i++)
            tab[i] = new double[cols];

      for(int aa=0; aa<num; aa++)
      for(int bb=0; bb<cols; bb++)
      tab[aa][bb] = 0.0;

      ReadLinesFromFile(fileNames[counter],num,tab);
      for(int j=0; j<num; j++) {
        cout<<tab[j][0]<<" "<<tab[j][1]<<" "<<tab[j][2]<<" ";
            if(cols==4)
                cout<<tab[j][3];
            cout<<endl;
        }

      factor1 = calculateFactorA(num,tab,1);
      factor2 = calculateFactorA(num,tab,2);
      if(cols==4) {
        stringstream ss;
        ss<<calculateFactorA(num,tab,3);
        ss>>factor3;
            WriteToFile(out,factor1,factor2,factor3,fileNames[counter]);
        }
      else
        WriteToFile(out,factor1,factor2," - ",fileNames[counter]);
  }
  out.close();
  system("pause");
  return 0;
}


double calculateFactorA(int K, double** resultsTab, int resultType) {
    double productsXYSum=0.0;
    double xSum = 0.0;
    double ySum = 0.0;
    double sumsXYProduct = 0.0;
    double powersXSum;
    double sumsXPower;
    double factorA;
    for(int i=0; i<K; i++) {
        productsXYSum += (log(100*pow(10.0,i))*log(resultsTab[i][resultType]));
        xSum += log(100*pow(10.0,i));
        ySum += log(resultsTab[i][resultType]);
        powersXSum += pow(log(100*pow(10.0,i)),2.0);
    }
    sumsXPower = pow(xSum,2.0);
    sumsXYProduct = xSum*ySum;
    factorA = (K*productsXYSum - sumsXYProduct) / (K*powersXSum - sumsXPower);
    return factorA;
}