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CREAL(3)                 BSD Library Functions Manual                 CREAL(3)

NAME
     creal, crealf, creall -- complex real functions

SYNOPSIS
     #include <complex.h>

     double
     creal(double complex z);

     float
     crealf(float complex z);

     long double
     creall(long double complex z);

DESCRIPTION
     These functions compute the real part of z.

RETURN VALUES
     These functions return the real part value.

ERRORS
     No errors are defined.

APPLICATION USAGE
     For a variable z of type complex:

           z == creal(z) + cimag(z)*I

SEE ALSO
     carg(3), 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
     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 .

BSD                            December 27, 2012                           BSD

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | ERRORS | APPLICATION USAGE | SEE ALSO | COPYRIGHT