CREAL(3)		   Linux Programmers Manual		     CREAL(3)



NAME
       creal, crealf, creall - get real part of a complex number

SYNOPSIS
       #include 

       double creal(double complex z);
       float crealf(float complex z);
       long double creall(long double complex z);

       Link with -lm.

DESCRIPTION
       The creal() function returns the real part of the complex number z.

       One has:

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

CONFORMING TO
       C99.

NOTES
       The gcc supports also __real__.	That is a GNU extension.

SEE ALSO
       cabs(3), cimag(3), complex(7)

COLOPHON
       This  page  is  part of release 3.05 of the Linux man-pages project.  A
       description of the project, and information about reporting  bugs,  can
       be found at http://www.kernel.org/doc/man-pages/.



				  2007-12-26			      CREAL(3)