-
Notifications
You must be signed in to change notification settings - Fork 0
/
step01.cpp
76 lines (69 loc) · 1.66 KB
/
step01.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
/*
Translation of the original step01.R into C++
*/
#include <iostream>
#include <fstream>
#include <vector>
#include <iomanip>
using namespace std;
void loadFileAsVector (vector <double> &fl, const char* str) {
ifstream readFile(str);
while (!readFile.eof()) {
double w;
readFile >> w;
fl.push_back(w);
}
fl.pop_back();
readFile.close();
}
void multiply (vector <double> &result, vector <double> &left, vector <double> &right) {
result.clear();
for (int i=0; i<left.size(); i++) {
result.push_back(left[i]*right[i]);
}
}
void multiply (vector <double> &result, vector <double> &left, double dl) {
result.clear();
for (int i=0; i<left.size(); i++) {
result.push_back(left[i]*dl);
}
}
double sum (vector <double> &v) {
double result = 0;
for (int i=0; i<v.size(); i++) {
result += v[i];
}
return result;
}
double sum15 (vector <double> &v) {
double result = 0;
for (int i=14; i<v.size(); i++) {
result += v[i];
}
return result;
}
int main() {
vector <double> surv;
vector <double> fecund;
vector <double> abundb;
vector <double> abunda;
vector <double> spawn;
vector <double> spawnb;
double spawntot;
loadFileAsVector(surv,"surv.csv");
loadFileAsVector(fecund,"fecund.csv");
loadFileAsVector(abundb,"initabundance.csv");
for (int iii=0; iii<100; iii++) {
multiply(spawn, abundb, fecund);
multiply(spawnb, spawn, 0.0001);
spawntot = sum(spawnb);
multiply(abunda, abundb, surv);
abundb.clear();
abundb.push_back(spawntot);
for (int j=0; j<abunda.size()-1; j++) {
abundb.push_back(abunda[j]);
}
cout << setprecision(10) << sum15(abundb) << endl;
};
return 0;
}