fabs() c++
#include <iostream>
#include <cmath> /* fabs */
using namespace std;
int main ()
{
cout<<"The absolute value of 3.1416 is "<< fabs (3.1416) <<endl;
cout<< "The absolute value of -10.6 is "<< fabs (-10.6) <<endl;
/*
The absolute value of 3.1416 is 3.1416
The absolute value of -10.6 is 10.6
*/
return 0;
}