abs isn't a function but is a macro and is used for calculating absolute value of a number.
C programming code for abs
- #include <stdio.h>
- #include <math.h>
- int main()
- {
- int n, result;
- printf("Enter an integer to calculate it's absolute value\n");
- scanf("%d", &n);
- result = abs(n);
- printf("Absolute value of %d = %d\n", n, result);
- return 0;
- }
Output of program:
You can implement you own function as follows:
- long absolute(long value) {
- if (value < 0) {
- return -value;
- }
- else {
- return value;
- }
- }