.sp
Link with \-lm.
.SH DESCRIPTION
-The
+The
.BR creal ()
function returns the real part of the complex number z.
.LP
One has z = creal(z) + I*cimag(z).
.SH NOTE
-The gcc supports also __real__. That is a GNU extension.
+The gcc supports also __real__. That is a GNU extension.
.SH "CONFORMING TO"
C99
.SH "SEE ALSO"