// fig19_15.cpp 
// Floating-point values displayed in system default,
// scientific and fixed formats.
#include <iostream>

int main() {
   double x{0.001234567};
   double y{1.946e9};

   // display x and y in default format
   std::cout << "Displayed in default format:\n" << x << '\t' << y;

   // display x and y in scientific format
   std::cout << "\n\nDisplayed in scientific format:\n"
      << std::scientific << x << '\t' << y;

   // display x and y in fixed format
   std::cout << "\n\nDisplayed in fixed format:\n"
      << std::fixed << x << '\t' << y << "\n";
} 



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