creall(3) -- Linux man page
NAME
creal, crealf, creall - get real part of a complex number
SYNOPSIS
#include <complex.h>
double creal(double complex z);
float crealf(float double complex z);
long double creall(long double complex z);
DESCRIPTION
The creal() function returns the real part of the complex number z.
One has z = creal(z) + I*cimag(z).
NOTE
The gcc supports also __real__. That is a GNU extension.
CONFORMING TO
C99
SEE ALSO
cabs(3),
cimag(3),
complex(5)
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