ABS
Section: POSIX Programmer's Manual (P)
Updated: 2003
NAME
abs - return an integer absolute value
SYNOPSIS
#include <stdlib.h>
int abs(int i);
DESCRIPTION
The abs() function shall compute the absolute value of its integer
operand, i. If the result cannot be
represented, the behavior is undefined.
RETURN VALUE
The abs() function shall return the absolute value of its integer
operand.
ERRORS
No errors are defined.
The following sections are informative.
EXAMPLES
None.
APPLICATION USAGE
In two's-complement representation, the absolute value of the negative
integer with largest magnitude {INT_MIN} might not be
representable.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
fabs() , labs() , the Base Definitions volume of
IEEE Std 1003.1-2001, <stdlib.h>
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. In the
event of any discrepancy between this version and the original IEEE and
The Open Group Standard, the original IEEE and The Open Group Standard
is the referee document. The original Standard can be obtained online at
http://www.opengroup.org/unix/online.html .
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- EXAMPLES
-
- APPLICATION USAGE
-
- RATIONALE
-
- FUTURE DIRECTIONS
-
- SEE ALSO
-
- COPYRIGHT
-
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