lib/maracasVisuLib/src/kernel/marUtils.cpp

   1
   2 #include "marUtils.h"
   3
   4 // ----------------------------------------------------------------------------
   5 marUtils::marUtils()
   6 {
   7
   8 }
   9
  10 // ----------------------------------------------------------------------------
  11 marUtils::~marUtils()
  12 {
  13
  14 }
  15 // ----------------------------------------------------------------------------
  16 double marUtils::obtainAverage(std::vector<double> list)
  17 {
  18         double average = 0;
  19         for (int i = 0; i < list.size(); i++)
  20         {
  21                 average += list[i];
  22         }
  23
  24         if (list.size() > 0)
  25         {
  26                 average = average / list.size();
  27         }
  28
  29         return average;
  30
  31 }
  32
  33 // ----------------------------------------------------------------------------
  34 double marUtils::obtainStandardDeviation(std::vector<double> list, double average)
  35 {
  36         double std = 0;
  37
  38         for(int i = 0; i < list.size(); i++)
  39         {
  40                 std += pow(list[i] - average,2.0);
  41         }
  42
  43         if (list.size() > 0)
  44         {
  45                 std = sqrt(std/list.size());
  46         }
  47
  48         return std;
  49 }