hour05_3.cpp

《24学时精通c++》的随书源码的下半部分。欢迎下载学习。

 #include <iostream>
 
 float Convert(float);
 float Convert(int);

 int main()
 {
     float TempFer;
     float TempCel;
     int intTempFer;
 
     std::cout << "Please enter the temperature in Fahrenheit: ";
     std::cin >> TempFer;
     TempCel = Convert(TempFer);
     std::cout << "\nHere's the temperature in Celsius: ";
     std::cout << TempCel << std::endl;

     intTempFer = TempFer; // automatic conversion
     TempCel = Convert(intTempFer);
     std::cout << "\nHere's the temperature in Celsius: ";
     std::cout << TempCel << "from integer temperature: ";
     std::cout << intTempFer << std::endl;

     return 0;
 }
 
 float Convert(float TempFer)
 {
     float TempCel;
     TempCel = ((TempFer - 32) * 5) / 9;
     return TempCel;
 }

 float Convert(int TempFer)
 {
     float TempCel;
     TempCel = ((TempFer - 32) * 5.) / 9.;  // we need to force float division!
     return TempCel;
 }