Mega Code Archive
Using an overloaded function template
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#include <iostream>
using std::cout;
using std::endl;
template<class T> T larger(T a, T b);
long* larger(long* a, long* b);
template <class T> T larger (const T array[], int count); // Overloaded templat
e prototype
int main() {
cout << "Larger of 1.5 and 2.5 is " << larger(1.5, 2.5) << endl;
cout << "Larger of 3.5 and 4.5 is " << larger(3.5, 4.5) << endl;
int a_int = 35;
int b_int = 45;
cout << larger(a_int, b_int)<< endl;
long a_long = 9;
long b_long = 8;
cout << larger(a_long, b_long)<< endl;
cout << *larger(&a_long,&b_long)<< endl;
double x[] = { 10.5, 12.5, 2.5, 13.5, 5.5 };
cout << larger(x, sizeof x/sizeof x[0]) << endl;
return 0;
}
template <class T> T larger(T a, T b) {
cout << "standard version " << endl;
return a>b ? a : b;
}
long* larger(long* a, long* b) {
cout << "overloaded version for long* " << endl;
return *a>*b ? a : b;
}
template <class T> T larger (const T array[], int count) {
cout << "template overload version for arrays " << endl;
T result = array[0];
for(int i = 1 ; i < count ; i++)
if(array[i] > result)
result = array[i];
return result;
}
standard version
Larger of 1.5 and 2.5 is 2.5
standard version
Larger of 3.5 and 4.5 is 4.5
standard version
45
standard version
9
overloaded version for long*
9
template overload version for arrays
13.5
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