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  1. #include <iostream>
  2. #include <sstream>
  3. #include <iomanip>
  4.  
  5. using namespace std;
  6.  
  7. void myFunc(const char *strFloat) {
  8. 	cout << "myFunc: ";
  9. 	while(*strFloat) {
  10. 		cout << *(strFloat++);
  11. 	}
  12. 	cout << endl;
  13. }
  14.  
  15. int main() {
  16.   const float var = 12.34;	
  17.   ostringstream ss;
  18.   ss << std::fixed << setprecision(2) << var;
  19.   myFunc(ss.str().c_str())
  20.   return 0;
  21. }
Success #stdin #stdout 0s 16064KB
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stdin
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Standard input is empty
stdout
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myFunc: 12.34
https://ideone.com/ocOgkL
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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