// Fig. 15.11: fig15_11.cpp
// Using a function template
#include <iostream>

using std::cout;
using std::cin;
using std::endl;

template < class T >
T maximum( T value1, T value2, T value3 )
{
   T max = value1;

   if ( value2 > max )
      max = value2;

   if ( value3 > max )
      max = value3;

   return max;
} // end function template maximum

int main()
{
   int int1, int2, int3;

   cout << "Input three integer values: ";
   cin >> int1 >> int2 >> int3;
   cout << "The maximum integer value is: "
        << maximum( int1, int2, int3 );          // int version

   double double1, double2, double3;

   cout << "\nInput three double values: ";
   cin >> double1 >> double2 >> double3;
   cout << "The maximum double value is: "
        << maximum( double1, double2, double3 ); // double version

   char char1, char2, char3;

   cout << "\nInput three characters: ";
   cin >> char1 >> char2 >> char3;
   cout << "The maximum character value is: "
        << maximum( char1, char2, char3 )        // char version
        << endl;

   return 0;
} // end function main


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