fork download
copy 
  1. #include <iostream>
  2. #include <vector>
  3. #include <math.h>
  4.  
  5. using namespace std;
  6.  
  7. int main()
  8. {
  9. 	vector<double> tvec;
  10.  
  11. 	tvec.push_back(2.1);
  12. 	tvec.push_back(3.2);
  13. 	tvec.push_back(4.3);
  14. 	tvec.push_back(NAN);
  15. 	tvec.push_back(4.5);
  16. 	tvec.push_back(3.6);
  17.  
  18. 	for(const double& dv : tvec)
  19. 	{
  20. 		if (isnan(dv))
  21. 			cout << "This is not a number" << endl;
  22. 		else
  23. 			cout << dv << endl;
  24. 	}
  25.  
  26. 	return 0;
  27. }
Success #stdin #stdout 0.01s 5276KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
2.1
3.2
4.3
This is not a number
4.5
3.6
https://ideone.com/MGqPw0
language:
C++14 (gcc 8.3)
created:
6 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!