Other Aliascreal, creall
double creal(double complex z);
float crealf(float complex z);
long double creall(long double complex z);
Link with -lm.
DESCRIPTIONThese functions return the real part of the complex number z.
z = creal(z) + I * cimag(z)
VERSIONSThese functions first appeared in glibc in version 2.1.
ATTRIBUTESFor an explanation of the terms used in this section, see attributes(7).
|creal(), crealf(), creall()||Thread safety||MT-Safe|
CONFORMING TOC99, POSIX.1-2001, POSIX.1-2008.
NOTESThe gcc supports also __real__. That is a GNU extension.
COLOPHONThis page is part of release 4.06 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.