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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. int main()
  5. {
  6.     double a = -std::nan("1");
  7.  
  8.     std::cout << a << std::endl;
  9. }
  10.  
  11.  
Success #stdin #stdout 0s 3468KB
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stdin
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Standard input is empty
stdout
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-nan
https://ideone.com/RVryeu
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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