imaxabs3p
Return absolute value
Usage
#include <inttypes.h>
intmax_t imaxabs(intmax_t j);
Prolog
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.
Overview
The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of POSIX.1‐2017 defers to the ISO C standard.
The imaxabs() function shall compute the absolute value of an integer j. If the result cannot be represented, the behavior is undefined.
Return value
The imaxabs() function shall return the absolute value.
Errors
No errors are defined.
The following sections are informative.
Examples
None.
Application usage
The absolute value of the most negative number cannot be represented in two's complement.
Rationale
None.
Future directions
None.