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  1. #include <iostream>
  2. #include <string>
  3. #include <sstream>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	std::stringstream file{"0.12000\n0.12000\n"};
  8.     std::stringstream ss;
  9.     std::string str;
  10.     float f1, f2;
  11.  
  12. 	std::getline (file, str); 
  13. 	ss.str(str);
  14. 	ss >> f1;
  15. 	if (ss.eof())
  16.    		std::cout << "eof reached after the extraction !!!!!"<<std::endl; 
  17.  
  18. 	std::getline (file, str); 
  19. 	ss.clear(); 
  20. 	ss.str(str);
  21. 	ss >> f2; //when packed inside if(), evalueates to false - but why it fails?
  22.  
  23.  
  24. 	std::cout<<"str = "<<str<<"\n";
  25. 	std::cout<<"ss.str() = "<<ss.str()<<"\n";
  26. 	std::cout<<"f1 = "<<f1<<"\nf2 = "<<f2<<"\n";	// your code goes here
  27. 	return 0;
  28. }
Success #stdin #stdout 0s 3472KB
comments (?)
stdin
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Standard input is empty
stdout
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eof reached after the extraction !!!!!
str = 0.12000
ss.str() = 0.12000
f1 = 0.12
f2 = 0.12
https://ideone.com/vCrNbb
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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