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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	float currentValue = 0.6125213412452143000000f;
  7. 	int roundVal = 100;
  8. 	cout<<"currentValue * roundVal = "<<currentValue * roundVal<<endl;
  9. 	cout<<"std::roundf(currentValue * roundVal) = "<<std::roundf(currentValue * roundVal)<<endl;
  10. 	cout<<"std::roundf(currentValue * roundVal) / roundVal = "<<std::roundf(currentValue * roundVal) / roundVal<<endl;
  11. 	float calculation = std::roundf(currentValue * roundVal) / roundVal;
  12. 	cout<<std::to_string(calculation)<<endl;
  13. 	return 0;
  14. }
Success #stdin #stdout 0s 3468KB
comments (?)
stdin 
Standard input is empty
stdout 
currentValue * roundVal = 61.2521
std::roundf(currentValue * roundVal) = 61
std::roundf(currentValue * roundVal) / roundVal = 0.61
0.610000
https://ideone.com/3utk7I
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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