In this source code example, we will see how to use the abs() function in C programming with an example.
div() Function Overview
The abs() function is available in <stdlib.h> returns the absolute value of an integer. In simpler terms, if you provide a negative integer, it gives back the positive version of it. If the integer is already positive or zero, it remains unchanged.
Source Code Example
#include <stdio.h>
#include <stdlib.h>
int main() {
// Define some sample numbers
int num1 = -5, num2 = 13, num3 = 0;
// Calculate absolute values using abs() function
int absNum1 = abs(num1);
int absNum2 = abs(num2);
int absNum3 = abs(num3);
printf("Absolute value of %d is %d\n", num1, absNum1);
printf("Absolute value of %d is %d\n", num2, absNum2);
printf("Absolute value of %d is %d\n", num3, absNum3);
return 0;
}
Output
Absolute value of -5 is 5 Absolute value of 13 is 13 Absolute value of 0 is 0
Explanation
1. Three integer variables num1, num2, and num3 are declared with values -5, 13, and 0 respectively.
2. We then calculate the absolute values for each of these numbers using the abs() function.
3. The results are printed out, demonstrating how abs() behaves with negative, positive, and zero values.
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