abs

abs

Integer Conversion: Absolute Value

Portability: ISO/ANSI C conforming, UNIX compatible

SYNOPSIS
DESCRIPTION
RETURN VALUE
IMPLEMENTATION
EXAMPLE
RELATED FUNCTIONS
SEE ALSO

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: %d\n", range );
}

RELATED FUNCTIONS

fabs , labs

SEE ALSO

Mathematical Functions

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