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  1. #include <boost/lexical_cast.hpp>
  2. #include <iostream>
  3. #include <sstream>
  4.  
  5. int main()
  6. {
  7.     {
  8.         std::cout << "===== Using Doubles =====" << std::endl;
  9.         double const d = 2.34;
  10.  
  11.         std::cout << boost::lexical_cast<std::string>(d) << std::endl;
  12.  
  13.         std::ostringstream ss;
  14.         ss << d;
  15.         std::cout << ss.str() << std::endl;
  16.     }
  17.     {
  18.         std::cout << "===== Using floats =====" << std::endl;
  19.         float const f = 2.34f;
  20.  
  21.         std::cout << boost::lexical_cast<std::string>(f) << std::endl;
  22.  
  23.         std::ostringstream ss;
  24.         ss << f;
  25.         std::cout << ss.str() << std::endl;
  26.     }
  27. }
  28.  
Success #stdin #stdout 0.02s 2872KB
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stdin
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Standard input is empty
stdout
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===== Using Doubles =====
2.3399999999999999
2.34
===== Using floats =====
2.33999991
2.34
https://ideone.com/iVw2e
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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