📄 tempabs.cpp
字号:
// tempabs.cpp
// template used for absolute value function
#include <iostream>
using namespace std;
//--------------------------------------------------------------
template <class T> //function template
T abs(T n)
{
return (n < 0) ? -n : n;
}
//--------------------------------------------------------------
int main()
{
int int1 = 5;
int int2 = -6;
long lon1 = 70000L;
long lon2 = -80000L;
double dub1 = 9.95;
double dub2 = -10.15;
//calls instantiate functions
cout << "\nabs(" << int1 << ")=" << abs(int1); //abs(int)
cout << "\nabs(" << int2 << ")=" << abs(int2); //abs(int)
cout << "\nabs(" << lon1 << ")=" << abs(lon1); //abs(long)
cout << "\nabs(" << lon2 << ")=" << abs(lon2); //abs(long)
cout << "\nabs(" << dub1 << ")=" << abs(dub1); //abs(double)
cout << "\nabs(" << dub2 << ")=" << abs(dub2); //abs(double)
cout << endl;
return 0;
}
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