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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8.     enum { FACTOR = 3 };
  9.     double d = 1.0 / FACTOR;
  10.     double d_i = int(d * FACTOR);
  11.     int i_t = std::trunc(d * FACTOR);
  12.     double d_r = std::round(d * FACTOR);
  13.     cout << d_i << " vs " << i_t << " vs " << d_r << endl;
  14.     return 0;
  15. }
  16.  
Success #stdin #stdout 0s 4576KB
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1 vs 1 vs 1
https://ideone.com/fWo0a3
language:
C++ 4.3.2 (gcc-4.3.2)
created:
5 years ago
visibility:
secret

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