CPP

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;
}

fabs c c++

[Mathematics] |x| = fabs(x) [In C programming]

fabs in c++ example

#include<iostream>
#include<cmath>
using namespace std;

int main(){
    //fabs() is the short form of float absolute.
  	//By this function you can change a negative floating point number
  	//to positive.

    float num = -10.6;
    cout<<fabs(num)<<endl;

    return 0;
}