text: #ifndef ROMAN_DECIMAL_H
  #define ROMAN_DECIMAL_H
  
  #include <nana/deploy.hpp>
  
  // Function to calculate roman equivalent
  nana::detail::native_string_type IntToRoman(int num);
  
  // This function returns value
  // of a Roman symbol
  int RomanToDecimal(std::string& str);
  
  #endif // !ROMAN_DECIMAL_H
  