carg
, cargf
,
cargl
—
complex argument functions
#include <complex.h>
double
carg
(double
complex z);
float
cargf
(float
complex z);
long double
cargl
(long
double complex z);
These functions compute the argument (also called phase angle) of
z, with a branch cut along the negative real axis.
These functions return the value of the argument in the interval
[-pi, +pi].
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 .