//--------------------------------------------------------------------
// minover.cpp
//--------------------------------------------------------------------


// Demonstrates function overloading

#include <iostream.h>

// Prototypes for two parameter functions
char min ( char x, char y );                   // Char parameters
double min ( double x, double y );             // Double parameters


// Prototypes for three parameter functions

char min ( char x, char y, char z );           // Char parameters
double min ( double x, double y, double z );   // Double parameters


void main ()
{    // Call min() with two character arguments.
   cout << endl << min('A','B') << " has the smaller ASCII value" << endl;


    // Call min() with two double-precision arguments.
    cout << min(10.5,20.0) << " is the smaller number" << endl;

    // Call min() with three character arguments.
    cout << min('B','A','C') << " has the smallest ASCII value" << endl;

    // Call min() with three double-precision arguments.
    cout << min(10.5,20.0,5.5) << " is the smallest number" << endl;
}


//--------------------------------------------------------------------


char min ( char x, char y )
// Returns the character with the smaller ASCII value.
{
    char result;   // Result returned
    if ( x < y )
       result = x;
    else
       result = y;
    return result;
}

//--------------------------------------------------------------------


double min ( double x, double y )
// Returns the smaller of two double-precision values.
{
    double result;   // Result returned
    if ( x < y )
       result = x;
    else
       result = y;
    return result;
}

//--------------------------------------------------------------------


char min ( char x, char y, char z )
// Returns the character with the smallest ASCII value.
{
    char result;   // Result returned
    if ( x < y )
       if ( x < z )
          result = x;
       else
          result = z;
    else
       if ( y < z )
          result = y;
       else
          result = z;
    return result;
}

//------------------------------------------------------------------


double min ( double x, double y, double z )
// Returns the smallest of three double-precision values.
{
    double result;   // Result returned
    if ( x < y )
       if ( x < z )
          result = x;
       else
          result = z;
    else
       if ( y < z )
          result = y;
       else
          result = z;
    return result;
}