Linux 2.6 - man page for carg (linux section 3posix)
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CARG(P) POSIX Programmer's Manual CARG(P)
carg, cargf, cargl - complex argument functions
double carg(double complex z);
float cargf(float complex z);
long double cargl(long double complex z);
These functions shall compute the argument (also called phase angle) of z, with a branch
cut along the negative real axis.
These functions shall return the value of the argument in the interval [-pi, +pi].
No errors are defined.
The following sections are informative.
cimag() , conj() , cproj() , the Base Definitions volume of IEEE Std 1003.1-2001, <com-
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 orig-
inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .
IEEE/The Open Group 2003 CARG(P)
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