abs(); , labs(); and llabs(); Function in C++
Hello people,
today we are going to read about the abs();
, labs(); and llabs(); function in C++. For using these functions we need
to include <cstdlib> library.
This function returns the absolute value of the integer value it takes as an
argument. 
It is very
helpful when we need to print a mathematical mod value of some number(|x|).
1.    abs() function :
In this function the input is of the data-type int,
long int, or long long int and it returns
the absolute value of the same data type as it was of input. A C++ program
below given shows the implementation of this function.
INPUT :
          -4
OUTPUT :
          4
1.    labs() function :
In this function the input is of the long int data-type and it returns the absolute value
of the long int data type. A C++ program below given shows the implementation
of this function.
INPUT :
          -40620
OUTPUT :
          40620
1.   
llabs() Function :
In this function the input is of the long long int data-type and it returns the absolute value
of the long long int data type. A C++ program below given shows the implementation
of this function.
INPUT :
          -40620
OUTPUT :
40620
 
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