OpenFPM_pdata  4.1.0
Project that contain the implementation of distributed structures
common_statistics.hpp
1 /*
2  * common_statistics.hpp
3  *
4  * Created on: Jul 20, 2019
5  * Author: i-bird
6  */
7 
8 #ifndef COMMON_STATISTICS_HPP_
9 #define COMMON_STATISTICS_HPP_
10 
11 
20 static inline void standard_deviation(openfpm::vector<double> measures, double & mean, double & dev)
21 {
22  mean = 0;
23  for (size_t i = 0 ; i < measures.size() ; i++)
24  mean += measures.get(i);
25  mean /= measures.size();
26 
27  dev = 0;
28  for (size_t i = 0 ; i < measures.size() ; i++)
29  dev += (measures.get(i) - mean)*(measures.get(i) - mean);
30 
31  dev = sqrt(dev / (measures.size() - 1));
32 }
33 
42 static inline void standard_deviation(std::vector<double> measures, double & mean, double & dev)
43 {
44  mean = 0;
45  for (size_t i = 0 ; i < measures.size() ; i++)
46  {
47  mean += measures[i];
48  }
49 
50  mean /= measures.size();
51 
52  dev = 0;
53  for (size_t i = 0 ; i < measures.size() ; i++)
54  dev += (measures[i] - mean)*(measures[i] - mean);
55 
56  dev = sqrt(dev / (measures.size() - 1));
57 }
58 
59 
60 #endif /* COMMON_STATISTICS_HPP_ */
openfpm::vector::size
size_t size()
Stub size.
Definition: map_vector.hpp:211
openfpm::vector
Implementation of 1-D std::vector like structure.
Definition: map_vector.hpp:202