CARG(3P)                   POSIX Programmer's Manual                  CARG(3P)



NAME
       carg, cargf - complex argument functions

SYNOPSIS
       #include <complex.h>

       double carg(double complex z);
       float cargf(float complex z);


DESCRIPTION
       These  functions  compute  the argument (also called phase angle) of z,
       with a branch cut along the negative real axis.

RETURN VALUE
       These functions return the  value  of  the  argument  in  the  interval
       [-pi, +pi].

ERRORS
       No errors are defined.

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       cimag(),    conj(),   cproj(),   the   Base   Definitions   volume   of
       IEEE Std 1003.1-2001, <complex.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 .



IEEE/The Open Group                  2003                             CARG(3P)
