abs -- Integer Conversion: Absolute Value


SYNOPSIS
#include <stdlib.h>
int abs(int y);
DESCRIPTION
abs
returns the absolute value of an integer.
RETURN VALUE
abs
returns the absolute value of its argument.
IMPLEMENTATION
abs
is implemented by a built-in function unless it is undefined by an
#undef
statement.
EXAMPLE
#include <stdlib.h>
#include <stdio.h>
#define BASELINE 32
main()
{
int range, temp;
puts("The average temperature in NY in December is 32 degrees.");
puts("Enter the average temperature in NC in December:");
scanf("%d", &temp);
range = abs(BASELINE - temp); /* Calculate range. */
printf("The average temperatures differ by: %dn", range );
}
RELATED FUNCTIONS
fabs
, labs
SEE ALSO
Mathematical Functions