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  1. #include <cmath>
  2. #include <iostream>
  3.  
  4. int main ()
  5. {
  6.   double value = 5.4321;
  7.   int exponent;
  8.  
  9.   double significand = frexp (value , &exponent);
  10.   double result = ldexp (significand , exponent+1);
  11.  
  12.   std::cout << value << " -> " << result  << "\n";
  13.   return 0;
  14. }
Success #stdin #stdout 0.01s 2724KB
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Standard input is empty
stdout
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5.4321 -> 10.8642
https://ideone.com/r3GBy
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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