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



NAME
       cabs, cabsf - return a complex absolute value

SYNOPSIS
       #include <&lt;complex.h>&gt;

       double cabs(double complex z);
       float cabsf(float complex z);

DESCRIPTION
       These functions compute the complex absolute value (also called norm,
       modulus, or magnitude) of z.

RETURN VALUE
       These functions return the complex absolute value.

ERRORS
       No errors are defined.

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       The Base Definitions volume of IEEE Std 1003.1-2001, &lt;complex.h&gt;

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                             CABS(3P)