1
UpdateData(TRUE);
2
string stringdata = CT2A(m_input.GetBuffer());
3
char* strdata=(char*)stringdata.c_str();
4
char* token, * next_token = NULL;
5
char seps[] = " ";
6
long double sum=0,e=0,s=0;
7
vector<long double> data;
8

9
token = strtok_s(strdata, seps, &next_token);
10

11
while (token != NULL) {
12
  if (token != NULL)
13
  {
14
    data.push_back(stold(token));
15
    token = strtok_s(NULL, seps, &next_token);
16
  }
17
}
18

19
for (size_t i = 0; i <= data.size(); i++) //求和
20
  sum += data[i];
21
    e = sum / data.size(); //求平均值
22

23
for (size_t i = 0; i <= data.size(); i++) { //求方差
24
  if (i != data.size() - 1)
25
  s += (data[i] - e) * (data[i] - e);
26
}
27
s = s / data.size();
28

29
string sum_ret = to_string(sum);
30
string e_ret = to_string(e);
31
string s_ret = to_string(s);
32

33
m_sum = sum_ret.c_str();
34
m_avg = e_ret.c_str();
35
m_var = s_ret.c_str();
36

37
UpdateData(FALSE);