NAME
creal, crealf, creall - get real part of a complex number
SYNOPSIS
#include <complex.h>
I double creal(double complex z );
I float crealf(float complex z );
I long double creall(long double complex z );
Link with -lm.
DESCRIPTION
The
R 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
ČLÁNKY DO MAILU