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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. double __rD(double d, int symAPt) { // round double
  6.     symAPt = pow(10, symAPt);
  7.     return static_cast<double>(static_cast<long long>(d * symAPt)) / symAPt;
  8. }
  9. bool equal(double a, double b, int pr) {
  10.     bool r = (__rD(a, pr) == __rD(b, pr));
  11.     return r; 
  12. }
  13.  
  14. int main() {
  15. 	cout << equal(3.14, 3.14, 2);
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 4356KB
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https://ideone.com/9vYxQK
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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