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  1. #include <iostream>
  2.  
  3. int main()
  4. {
  5.     float f = 94.12345f;
  6.     long long n = f * 1000000000LL;
  7.     std::cout << "float: " << n << '\n';
  8.     n = (f + 0.0000005) * 1000000;
  9.     n *= 1000LL;
  10.     std::cout << "rounded: " << n << '\n';
  11.     return 0;
  12. }
Success #stdin #stdout 0.01s 2724KB
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stdin
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Standard input is empty
stdout
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float: 94123450368
rounded: 94123451000
https://ideone.com/D0dYGp
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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