carg(3) - NetBSD Manual Pages

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CARG(3)                 NetBSD Library Functions Manual                CARG(3)


NAME

     carg, cargf, cargl -- complex argument functions


SYNOPSIS

     #include <complex.h>

     double
     carg(double complex z);

     float
     cargf(float complex z);

     long double
     cargl(long double complex z);


DESCRIPTION

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


RETURN VALUES

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


ERRORS

     No errors are defined.


SEE ALSO

     cimag(3), conj(3), cproj(3), IEEE Std 1003.1-2001 (``POSIX.1'') <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 Spec-
     ifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electri-
     cal 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 ref-
     eree document.  The original Standard can be obtained online at
     http://www.opengroup.org/unix/online.html .

NetBSD 10.99                   January 29, 2013                   NetBSD 10.99